CN108668997B - Feeding method for improving laying performance of laying hens - Google Patents
Feeding method for improving laying performance of laying hens Download PDFInfo
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- CN108668997B CN108668997B CN201810329484.2A CN201810329484A CN108668997B CN 108668997 B CN108668997 B CN 108668997B CN 201810329484 A CN201810329484 A CN 201810329484A CN 108668997 B CN108668997 B CN 108668997B
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- 239000013589 supplement Substances 0.000 description 1
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- A23K20/158—Fatty acids; Fats; Products containing oils or fats
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Abstract
The invention discloses a feeding method for improving the production performance of laying hens, which divides the feeding of the laying hens into 7 stages, namely: 0-18 days old, 19-42 days old, 43-56 days old, 57-80 days old, 81-105 days old, 106 days old-laying rate 5%, laying rate 5% -peak-eliminating, and designing the formula of the feeding feed according to the physiological characteristics and nutritional requirements of each stage. According to the invention, according to the physiological characteristics and nutritional requirement characteristics of the modern laying hens in different stages, a large amount of practical breeding data are combined for many years, the whole laying hen breeding process is divided into a 7-stage nutritional mode in the aspect of daily ration nutritional requirement, the application of the technology for improving the environment in the gastrointestinal tract of the laying hens and regulating and controlling the nutritional immunity is focused, the production curve of the laying hens is perfectly reproduced, and the maximum production potential is mined.
Description
Technical Field
The invention relates to the technical field of laying hen breeding, in particular to a breeding method for improving the production performance of laying hens.
Background
With the continuous breeding and improvement of laying hens by laying hen breeding companies in recent years, the weight of the laying hens is lighter (from the obsolete weight of 2.25 kg at the previous 80 weeks to the obsolete weight of 1.91-2.03 kg at the present 90 weeks), the average feed intake is gradually reduced (from the previous 120 g/day and the feed intake of only chickens to the current 106 + 112 g/day and the feed intake of only chickens), and the cost performance of the laying hens is higher and higher. However, the modern laying hens are raised by adopting the traditional mode at present, so that the production potential of the modern laying hens cannot be fully exploited, and the best economic benefit is obtained.
In a traditional laying hen breeding mode, the growth and development of laying hens are divided into three stages, namely a brooding stage, a growing stage and an egg laying stage, and the laying hens are bred according to the nutritional requirements of the three stages. However, in actual production, the laying hens are always kept in the same growth environment in cages no matter which growth stage the laying hens are in, and the breeding mode has the defects of poor breeding environment, single feed formula and the like, so that the problems of low laying performance, high morbidity and mortality and poor breeding benefit and the like of the laying hens are caused, and the requirements of high-yield laying hens cannot be met.
Disclosure of Invention
Aiming at the prior art, the invention aims to provide a feeding method for improving the production performance of laying hens, which divides the whole feeding process of the laying hens into a 7-stage nutrition mode in the aspect of daily ration nutrition demand, focuses on the application of gastrointestinal tract internal environment improvement and nutrition immunity regulation and control technology of the laying hens, perfectly reproduces the production curve of the laying hens, effectively reduces the feed-egg ratio and the death rate, and prolongs the egg laying peak.
In order to achieve the purpose, the invention adopts the following technical scheme:
a feeding method for improving the production performance of laying hens comprises the following steps of dividing the feeding of the laying hens into 7 stages: 0-18 days old, 19-42 days old, 43-56 days old, 57-80 days old, 81-105 days old, 106 days old-laying rate 5%, laying rate 5% -peak-eliminating;
wherein, the nutrition standard of the feed for 0-18 days old is as follows: the metabolic energy is 2867-3043 kilocalories/kg, and the crude protein content is 20 percent;
the feed is fed at the age of 19-42 days, and the nutrition standard of the feed is as follows: the metabolic energy is 2867-3043 kilocalories/kg, and the crude protein content is 18.25 percent;
the nutrition standard of the feed for 43-56 days old is as follows: metabolic energy 2800-3021 kcal/kg, crude protein content 17.5%;
the feed is 57-80 days old, and the nutrition standard of the feed is as follows: metabolic energy 2800-3021 kcal/kg, crude protein content 16.5%;
the nutrition standard of the feed for 81-105 days old is as follows: the metabolic energy is 2734-3021 kilocalorie/kg, and the crude protein content is 16.0 percent;
the feed is 106 days old, the laying rate is 5 percent, and the nutrition standard of the feed is as follows: the metabolic energy is 2778-;
laying rate is 5% -peak-eliminated, and the nutrition standard of the feed is as follows: the metabolic energy is 2867 and 2679 kilocalories/kilogram, and the crude protein content is 16.5% -15.04%.
Preferably, the feed fed in the 0-18 day old stage is composed of the following raw materials in parts by mass:
60% of corn, 35% of soybean meal and 5% of premix A;
the premix A is prepared from the following raw materials in parts by weight:
40-60 parts of calcium hydrophosphate, 8-12 parts of salt, 5-10 parts of sodium sulfate, 0.2-0.4 part of composite trace elements, 0.1-0.3 part of composite vitamins, 0.4-0.6 part of lysine, 0.2-0.4 part of methionine, 0.1-0.2 part of tryptophan, 1-2 parts of soybean isoflavone, 0.5-1 part of lecithin, 0.2-0.4 part of phytase, 5-10 parts of xylooligosaccharide, 4-6 parts of lophatherum gracile, 3-5 parts of centella asiatica, 2-4 parts of madder and 0.3-0.5 part of phagostimulant;
the composite trace elements comprise the following components in percentage by weight: 1.42 percent of blue vitriol, 5.6 percent of ferrous sulfate monohydrate, 8.4 percent of manganese sulfate monohydrate, 10.6 percent of zinc sulfate monohydrate, 0.01 percent of sodium selenite, 0.08 percent of calcium iodate and the balance of bentonite;
the composite vitamin comprises the following components in percentage by weight: vitamin A5.0%, and vitamin D31.5 percent of vitamin E, 15 percent of vitamin K31.0% of vitamin B10.3% of vitamin B22.5% of vitamin B61.2% of vitamin B120.2% of nicotinic acid12.6 percent, 4.8 percent of pantothenic acid, 0.4 percent of folic acid, 1.2 percent of biotin and the balance of bentonite.
Preferably, the feed fed in the 19-42 day old stage is composed of the following raw materials in parts by mass:
65% of corn, 30% of soybean meal and 5% of premix B;
the premix B is prepared from the following raw materials in parts by weight:
40-60 parts of calcium hydrophosphate, 4-5 parts of stone powder, 8-12 parts of salt, 5-10 parts of sodium sulfate, 0.2-0.4 part of compound trace elements, 0.1-0.3 part of compound vitamins, 0.4-0.6 part of lysine, 0.2-0.4 part of methionine, 1-2 parts of soybean isoflavone, 0.5-1 part of lecithin, 0.2-0.4 part of phytase, 5-10 parts of xylo-oligosaccharide, 8-12 parts of whey powder, 6-8 parts of mulberry bark, 4-6 parts of spina date seed, 2-4 parts of perilla leaf, 4-6 parts of spirulina powder and 0.3-0.5 part of phagostimulant.
The Spirulina powder is a product obtained by drying and crushing Spirulina (Spirulina platensis).
Preferably, the feed fed in the 43-56 day old stage is composed of the following raw materials in parts by mass:
70% of corn, 25% of soybean meal and 5% of premix C;
wherein the premix C is prepared from the following raw materials in parts by weight:
40-60 parts of calcium hydrophosphate, 4-5 parts of stone powder, 8-12 parts of salt, 5-10 parts of sodium sulfate, 0.2-0.4 part of compound trace elements, 0.1-0.3 part of compound vitamins, 0.4-0.6 part of lysine, 0.2-0.4 part of methionine, 1-2 parts of soybean isoflavone, 0.5-1 part of lecithin, 0.2-0.4 part of phytase, 5-10 parts of xylo-oligosaccharide, 8-12 parts of whey powder, 4-6 parts of jujube powder, 6-8 parts of magnolia officinalis flowers, 4-6 parts of pepper, 4-6 parts of chlorella powder and 0.3-0.5 part of phagostimulant.
The Chlorella sp powder is prepared from Chlorella sp (Chlorella sp.) as a raw material by culturing, concentrating, drying and other processes and is rich in EPA and DHA.
Preferably, the feed fed in the 57-80 day old stage is composed of the following raw materials in parts by mass:
70% of corn, 21% of soybean meal, 4% of bran and 5% of premix D;
the premix D is prepared from the following raw materials in parts by weight:
40-60 parts of calcium hydrophosphate, 4-5 parts of stone powder, 8-12 parts of salt, 5-10 parts of sodium sulfate, 0.2-0.4 part of compound trace elements, 0.1-0.3 part of compound vitamins, 0.2-0.4 part of lysine, 0.6-0.8 part of methionine, 0.1-0.3 part of choline chloride, 1-2 parts of soybean isoflavone, 0.5-1 part of lecithin, 0.2-0.4 part of phytase, 5-10 parts of xylooligosaccharide, 8-12 parts of whey powder, 4-6 parts of jujube powder, 6-8 parts of cortex lycii radicis, 4-6 parts of mangnolia officinalis, 3-5 parts of liquorice, 4-8 parts of marigold residues, 4-6 parts of chlorella powder and 0.3-0.5 part of phagostimulant.
The marigold slag is a byproduct of marigold (Tagetes erecta L.) after lutein is extracted, is a processed product of marigold, and is a raw material recorded in a feed raw material catalogue.
Preferably, the feed fed in the age of 81-105 days consists of the following raw materials in percentage by mass:
70% of corn, 19% of soybean meal, 6% of bran and 5% of premix E;
the premix E is prepared from the following raw materials in parts by weight:
40-60 parts of calcium hydrophosphate, 4-5 parts of stone powder, 8-12 parts of salt, 5-10 parts of sodium sulfate, 0.2-0.4 part of compound trace elements, 0.1-0.3 part of compound vitamins, 0.4-0.6 part of lysine, 0.2-0.4 part of methionine, 2-4 parts of soybean isoflavone, 1.5-3 parts of lecithin, 0.2-0.4 part of phytase, 5-10 parts of xylo-oligosaccharide, 8-12 parts of whey powder, 4-6 parts of pepper seeds, 6-8 parts of motherwort, 4-6 parts of rhizoma anemarrhenae, 4-6 parts of chlorella powder and 0.3-0.5 part of phagostimulant.
Preferably, the feed fed at the stage of 106 days old-laying rate of 5% comprises the following raw materials in percentage by mass:
66% of corn, 21% of soybean meal, 6% of bran, 2% of stone powder and 5% of premix F;
the premix F is prepared from the following raw materials in parts by weight:
40-60 parts of calcium hydrophosphate, 6-8 parts of stone powder, 8-12 parts of salt, 5-10 parts of sodium sulfate, 0.2-0.4 part of compound trace elements, 0.1-0.3 part of compound vitamins, 0.3-0.6 part of lysine, 0.1-0.3 part of methionine, 2-4 parts of soybean isoflavone, 2-4 parts of lecithin, 0.2-0.4 part of phytase, 5-10 parts of xylo-oligosaccharide, 0.1-0.3 part of choline chloride, 8-12 parts of whey powder, 4-6 parts of plantain herb, 6-8 parts of motherwort herb, 4-6 parts of platycladi seed, 4-6 parts of cortex lycii radicis and 0.3-0.5 part of phagostimulant.
Preferably, the feed for feeding in the laying rate 5% -peak-elimination stage is composed of the following raw materials in parts by mass:
63-66% of corn, 21% of soybean meal, 3-6% of bran, 2-8% of stone powder and 5% of premix G;
the premix G is prepared from the following raw materials in parts by weight:
40-60 parts of calcium hydrophosphate, 6-8 parts of stone powder, 8-12 parts of salt, 5-10 parts of sodium sulfate, 0.2-0.4 part of compound trace elements, 0.1-0.3 part of compound vitamins, 0.3-0.6 part of lysine, 0.1-0.3 part of methionine, 2-4 parts of soybean isoflavone, 2-4 parts of lecithin, 0.2-0.4 part of phytase, 5-10 parts of xylooligosaccharide, 8-12 parts of whey powder, 0.1-0.3 part of choline chloride, 2-4 parts of chlorella powder, 2-4 parts of spirulina powder, 4-6 parts of plantain herb, 6-8 parts of motherwort, 4-6 parts of rhizoma polygonati, 4-6 parts of cortex lycii radicis and 0.3-0.5 part of phagostimulant.
Further, the feed raw material composition changes in the laying rate 5% -peak-elimination stage: when the laying rate is 5 percent to 10 percent, the raw materials comprise: 66% of corn, 21% of soybean meal, 6% of bran, 2% of stone powder and 5% of premix; then, every 10% of the laying rate of the chicken flocks is increased, the using amount of stone powder in the raw material composition is increased by 1%, and the using amount of bran is reduced by 1% until the using amount of the bran in the raw material composition is 3%; then, the using amount of the corn is reduced by equal amount, and the using amount of the stone powder is increased until the using amount of the stone powder in the raw material composition is 8%.
Further, the breeding method further comprises the following steps: the control of the illumination condition is to carry out shading treatment on the henhouse, adopts artificial illumination, and specifically comprises the following steps:
0-18 days old, and the illumination time is 22-24 h/day; 19-42 days old, the illumination time is 18-22 h/day; the age is 43-56 days, and the illumination time is 16-18 h/day; the day of 57-80 years old, the illumination time is 12-14 h/day; the age of 81-105 days, and the illumination time is 8-10 h/day; the age of 106 days-the laying rate is 5%, and the illumination time is 14-16 h/day; laying rate is 5% -peak-eliminated, and illumination time is 12-14 h/day.
The invention has the beneficial effects that:
(1) according to the invention, according to the physiological characteristics and nutritional requirement characteristics of the modern laying hens in different stages, a large amount of practical breeding data are combined for many years, the whole laying hen breeding process is divided into a 7-stage nutritional mode in the aspect of daily ration nutritional requirement, the application of the technology for improving the environment in the gastrointestinal tract of the laying hens and regulating and controlling the nutritional immunity is focused, the production curve of the laying hens is perfectly reproduced, and the maximum production potential is mined.
(2) The 7-stage breeding mode of the laying hens is successfully implemented in laying hen farms of different scales, and compared with the conventional breeding method, the breeding method can respectively improve the standard reaching rates of the body weight and the shank length of the bred laying hens (80 days old) by 32.4 percent and 45.7 percent; the uniformity of chicken groups is improved by 26.8 percent; the laying hen production time is 12-20 days ahead; the peak period of laying rate is long; the death and culling rate is reduced by 86.9 percent, and the material-egg ratio is reduced by 69.4 percent.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
The "content" referred to in the present invention means a weight percentage unless otherwise specified.
As introduced in the background art, the conventional laying hen breeding mode has the defects of poor breeding environment, single feed formula and the like, so that the problems of low laying performance, high morbidity and mortality and poor breeding benefit of laying hens are caused, and how to pertinently select the appropriate breeding environment and the appropriate feed nutrition standard according to different stages of the laying hen growth is a problem which needs to be solved urgently at present. For the division of the growth stage of the laying hens, various division methods exist at present, but the existing division method generally has the problem that the necessary continuity is lacked among the stages, so that the laying hens are easy to generate stress reaction in the feeding process; in addition, for the key growth stage of the laying hens, such as the brooding period, a targeted feeding management method is lacked, so that the weight and the shank length of the laying hens do not reach the standard, the uniformity is poor, and the productivity and the breeding benefit of the laying hens are seriously nourished. Based on the situation, the invention aims to provide a novel laying hen feeding method for improving the production performance of laying hens.
If the laying hens are allowed to continuously produce high and stable eggs and the death and culling in the later period of laying eggs are reduced, qualified reserve chicken flocks must be cultivated, the qualified reserve chicken flocks must have ideal body types, the ideal body types are that the weight reaches the standard, the size of a framework is moderate, and meanwhile, the uniformity of the chicken flocks is consistent.
The weight standard of the replacement layer chicken is that the average weight of the chicken group per biological week reaches the standard weight of the breed or is in the floating range of the standard weight (90-110 percent of the standard weight). Because the development of the tibia is positively correlated with the development of the skeleton, the development of the skeleton is represented by the length of the tibia in the actual feeding management process.
Therefore, according to the physiological characteristics and the growth characteristics of the reserve layer chicken, the growth and development of the reserve layer chicken are divided into the following parts: the breeding period of the backup laying hens is 0-18 days old, the breeding period of the backup laying hens is 19-42 days old, the breeding period of the backup laying hens is 43-56 days old, the breeding period of the backup laying hens is 57-80 days old, and the breeding period of the backup laying hens is 81-105 days old. Wherein:
stage 1: the laying hens in the laying period (0-18 days old) grow very fast, the weight of the laying hens at the laying period is 4 times of the weight of the laying hens at the age of 18 days, meanwhile, the feathers grow fast and account for nearly 4% of the weight of the laying hens at the age of 18 days, so that the laying hens only have high nutritional requirement on crude proteins; but the digestive organs of the chicks are not well developed, and the body temperature regulating capability and the disease resistance are poor. Aiming at the physiological characteristics and the nutritional requirement characteristics of the laying hens at the stage, the invention designs the feed for feeding at the stage, which consists of 60 percent of corn, 35 percent of soybean meal and 5 percent of premix A, so as to meet the nutritional requirements of the chicks on 20 percent of crude protein and 2867 plus 3043 kilocalories/kilogram of metabolic energy in daily ration; meanwhile, aiming at the characteristic that the digestive organs and the immune system of the chicks are not completely developed at the stage, tryptophan, lophatherum gracile, centella asiatica and madder are particularly added into the premix, wherein the tryptophan is not generally added into the feed of the laying hens, but the invention has the unexpected discovery that the addition of a specific amount of tryptophan is beneficial to improving the anti-stress capability of the chicks of 0-18 days old; mixing herba Lophatheri, herba Centellae and radix Rubiae, adding water, extracting, separating effective fraction group with molecular weight of 5000-.
Stage 2: during the brooding period (19-42 days old) of the reserve laying hens, the growth of the laying hens is rapid, the weight of the laying hens reaches 3 times of that of the laying hens at the age of 18 days at the age of 42 days, meanwhile, the feather grows rapidly, the feather weight accounts for 7 percent of the weight at the age of 4 weeks, and the feather changing speed is also rapid, so that the laying hens have high requirements on protein; in addition, the digestive organs of the chicks develop rapidly; meanwhile, the body temperature regulation capability and the disease resistance capability are gradually improved. Aiming at the physiological characteristics and the nutritional requirement characteristics of the laying hens at the stage, the invention designs the feed for feeding at the stage, which consists of 65 percent of corn, 30 percent of soybean meal and 5 percent of premix B, so as to meet the nutritional requirements of 18.25 percent of crude protein and 2867 plus 3043 kilocalories/kilogram of metabolic energy in daily ration for the chicks; meanwhile, in order to stimulate the rapid development of a digestive system, promote the healthy development of bones and internal organs of chickens and improve the adaptability of chicken flocks to the outside, xylo-oligosaccharide, cortex mori radicis, spina date seeds, perilla leaves and spirulina powder are particularly added into the premix, wherein the xylo-oligosaccharide can regulate intestinal flora, reduce the anti-nutritional effect of non-starch polysaccharide, supplement the deficiency of endogenous digestive enzymes of chicks and promote the intestinal health; the cortex mori radicis, the spina date seed and the perilla leaf are used in a compatibility manner, so that the functions of bacteriostasis, antivirus, stress resistance and immunity improvement are achieved, and the adaptability of the chicken flocks to the outside is improved; the spirulina powder is rich in crude protein and crude ash, and has regulating effect on sugar, protein, fat, etc. in feed.
Stage 3: during the brooding period (43-56 days old) of the reserve laying hens, according to the growth characteristics of the reserve laying hens, the growth of bones and muscles is mainly used before the chicken is 56 days old, the development control of the frameworks is that the length of the shins must reach 78-83 mm at the age of 56 days, and the weight reaches 650-690 g. Aiming at the physiological characteristics and nutritional requirement characteristics of the laying hens at the stage, the invention designs the feed for feeding at the stage, which consists of 70 percent of corn, 25 percent of soybean meal and 5 percent of premix C, so as to meet the nutritional requirements of the replacement laying hens on 17.5 percent of crude protein and 2800 and 3021 kilocalories/kilogram of metabolic energy in daily ration; meanwhile, in order to promote the balanced development of the weight and the body size of the chicken, the components such as the jujube powder, the magnolia flower, the pepper, the chlorella powder and the like are added into the premix, wherein the jujube powder, the magnolia flower and the pepper can improve the taste of the feed, the chlorella is rich in crude fat, EPA and DHA, and the raw materials have a synergistic promotion effect, so that the weight and the body size of the chicken are developed in a balanced manner.
And 4, stage: the replacement layer chicken grows rapidly in a growing period (57-80 days old), the digestion capacity, the temperature regulation capacity, the disease resistance and the adaptability to the external environment of the replacement layer chicken are obviously enhanced, the skeleton development is basically shaped when the replacement layer chicken is 80 days old, but the feed raw materials with higher crude fiber content are used for stimulating the development of the gastrointestinal tract of the replacement layer chicken and further exercising the digestion function to improve the feed intake of the replacement layer chicken. Aiming at the physiological characteristics and nutritional requirement characteristics of the laying hens at the stage, the invention designs the feed for feeding at the stage, which consists of 70 percent of corn, 21 percent of soybean meal, 4 percent of bran and 5 percent of premix D, so as to meet the nutritional requirements of the replacement laying hens on 16.5 percent of crude protein and 2800-. In order to stimulate the development of the gastrointestinal tract of the chicken, the marigold slag is particularly added into the premix, is a byproduct of the marigold (Tagetes erecta L.) after the lutein is extracted, has low price and obvious resource advantage, is rich in crude fiber, and can promote the development of the gastrointestinal tract of the chicken.
Stage 5: the growing period (81-105 days old) of the reserve layer chicken is an important growth and development period of body muscles of the reserve layer chicken, but the weight growth speed is reduced along with the increase of the day old, the fat deposition is increased along with the increase of the day old, and meanwhile, the reproductive system of the chicken is rapidly developed. In order to start, produce and stabilize the production of the reserve chicken group at the right time, the weight of the reserve chicken group only needs to be balanced and exceed the standard (preferably controlled between 105 and 108 percent of the standard weight), and the aim of promoting the healthy development of the reproductive system is achieved on the light management and the nutrition supply of the reserve chicken group. Aiming at the physiological characteristics and nutritional requirement characteristics of the laying hens at the stage, the invention designs the feed for feeding at the stage, which consists of 70 percent of corn, 19 percent of soybean meal, 6 percent of bran and 5 percent of premix E, so as to meet the nutritional requirements of the replacement laying hens on 16.0 percent of crude protein and 2734-.
The physiological characteristics of the laying hens in the laying period determine that the physiological stress of the laying hens in the laying period is particularly severe.
First, ovarian and fallopian tube development increases dramatically during sexual maturation. The length of the oviduct is only 8-10cm before sexual maturity, and the oviduct develops rapidly to 50-60cm after sexual maturity. The weight of the ovary is only about 7g before sexual maturity, and the ovary rapidly increases to about 40g after sexual maturity.
Secondly, the egg shell begins to form at the isthmus of the fallopian tube, mostly at the uterine portion of the fallopian tube. The calcium used for forming the eggshells is calcium in the feed which enters the intestinal tract and is absorbed to form blood calcium, and the eggshells are formed at night through the secretion of the eggshell gland. If the calcium in the feed is less and cannot meet the demand of the organism, the calcium in the skeleton is used. Therefore, the ratio of calcium to phosphorus and calcium to phosphorus is kept in a sufficient amount, which is significant for improving the laying rate of chicken flocks and preventing the egg fatigue syndrome.
Therefore, according to the physiological characteristics of the laying period of the laying hens, the laying period of the laying hens is divided into 2 stages of a laying period (106 days old-laying rate of 5%) and a laying period (laying rate of 5% -peak-elimination) of the laying hens around the central task of the laying period, appropriate environmental conditions are created for the laying hens, a nutrition-balanced compound feed is provided, the genetic potential of the feed is fully exerted, and the purpose of high yield and stable yield is achieved. Wherein:
stage 6: the laying period of the laying hens (106 days old-laying rate of 5%) is a period when ovaries and oviducts of the laying hens grow and mature rapidly. Aiming at the physiological characteristics and nutritional requirement characteristics of the laying hens at the stage, the invention designs the feed for feeding at the stage, which consists of 66 percent of corn, 21 percent of soybean meal, 6 percent of bran, 2 percent of stone powder and 5 percent of premix F, so as to meet the nutritional requirements of the laying hens on 16.5 percent of crude protein and 2778-; meanwhile, the plantain herb, the motherwort herb, the platycladi seed and the cortex lycii radicis are added into the premix, and the natural plant components capable of being used for feeding can promote the gonad development, the follicular differentiation and the calcium deposition of the chickens, so that the real-time production is realized, the occurrence of the syndrome of the laying hens is avoided, and a good foundation is laid for high yield.
Stage 7: the laying period (laying rate is 5% -peak-elimination), which is a profitable period of high and stable yield of laying hens. Aiming at the physiological characteristics and nutritional requirement characteristics of the laying hens at the stage, the invention designs the feed for feeding at the stage, which consists of 63-66% of corn, 21% of soybean meal, 3-6% of bran, 2-8% of mountain flour and 5% of premix G, so as to meet the nutritional requirements of the laying hens on 16.5-15.04% of crude protein and 2867 plus 2679 kcal/kg of metabolic energy in daily ration. Meanwhile, choline chloride, chlorella powder, spirulina powder, plantain, motherwort, sealwort and cortex lycii radicis are added into the premix, and the components have synergistic effect, so that follicle differentiation can be promoted, high and stable yield can be achieved, the environment in intestinal tracts can be regulated, digestion and absorption can be promoted, the anti-stress capacity can be improved, the chicken group aging can be delayed, and normal death and elutriation can be reduced; particularly, the addition of a certain amount of choline chloride can increase the thickness of the eggshell and improve the lecithin content in the eggs, the addition amount of the choline chloride is very critical, the addition amount is too much, the production performance of the laying hens is adversely affected, and the corresponding effect cannot be exerted if the addition amount is too little, and multiple tests prove that the addition amount of the choline chloride in the premix is preferably 0.1-0.3 part.
The illumination is one of important environmental factors for the laying hens to live, and the length of the illumination time can directly influence the sexual maturity speed of the laying hens and the egg yield. The proper illumination time can ensure that the laying hens eat and drink water normally, improve the immunity of organisms, accelerate metabolism, enable the laying hens to lay eggs at the right time and ensure the healthy growth of the laying hens. The invention optimally selects the illumination time of the laying hens in different growth stages, can lead the laying hen to have the time for starting 12-20 days in advance, saves the growth cost of the laying hen and improves the egg yield of the laying hen.
In conclusion, the feeding method is obtained by the inventor through years of practice, each nutrition stage is accurately divided, the compound feed is designed according to each nutrition stage, the raw materials in the feed are reasonably matched, the transition period of different nutrition stages is obviously shortened, the stress reaction of the laying hens is avoided, and the production performance of the laying hens is improved to the greatest extent.
In order to make the technical solutions of the present application more clearly understood by those skilled in the art, the technical solutions of the present application will be described in detail below with reference to specific embodiments.
The test materials used in the examples of the present invention are all conventional in the art and commercially available.
Example 1:
a feeding method for improving the production performance of laying hens comprises the following steps of dividing the feeding of the laying hens into 7 stages: 0-18 days old, 19-42 days old, 43-56 days old, 57-80 days old, 81-105 days old, 106 days old-laying rate 5%, laying rate 5% -peak-eliminating.
Wherein, the nutrition standard of the feed for 0-18 days old is as follows: the metabolic energy is 2867-3043 kilocalories/kg, and the crude protein content is 20 percent; the feed comprises the following raw materials: 60% of corn, 35% of soybean meal and 5% of premix A;
the premix A is prepared from the following raw materials in parts by weight:
50 parts of calcium hydrophosphate, 10 parts of salt, 8 parts of sodium sulfate, 0.3 part of compound trace elements, 0.2 part of compound vitamins, 0.5 part of lysine, 0.3 part of methionine, 0.2 part of tryptophan, 1.5 parts of soybean isoflavone, 0.8 part of lecithin, 0.3 part of phytase, 8 parts of xylooligosaccharide, 5 parts of lophatherum gracile, 4 parts of centella asiatica, 3 parts of madder and 0.4 part of phagostimulant.
The preparation method of the premix A comprises the following steps: drying herba Lophatheri, herba Centellae and radix Rubiae, pulverizing, adding 10 weight times of water, cold soaking for 60min, heating to 100 deg.C, keeping the temperature, leaching for 2 hr, extracting for 2 times, filtering, discarding residue, and mixing filtrates; after rough filtration, the filtrate is separated into effective fractions with molecular weight of 5000-; then mixing with calcium hydrogen phosphate, salt, sodium sulfate, compound trace elements, compound vitamins, lysine, methionine, tryptophan, soybean isoflavone, lecithin, phytase, xylooligosaccharide and phagostimulant uniformly to obtain the final product.
The feed is fed at the age of 19-42 days, and the nutrition standard of the feed is as follows: the metabolic energy is 2867-3043 kilocalories/kg, and the crude protein content is 18.25 percent; the feed comprises the following raw materials: 65% of corn, 30% of soybean meal and 5% of premix B;
the premix B is prepared from the following raw materials in parts by weight:
60 parts of calcium hydrophosphate, 5 parts of stone powder, 11 parts of salt, 8 parts of sodium sulfate, 0.3 part of composite trace elements, 0.2 part of composite vitamins, 0.5 part of lysine, 0.3 part of methionine, 2 parts of soybean isoflavone, 0.8 part of lecithin, 0.3 part of phytase, 8 parts of xylo-oligosaccharide, 10 parts of whey powder, 7 parts of white mulberry root-bark, 5 parts of spina date seeds, 3 parts of perilla leaves, 5 parts of spirulina powder and 0.4 part of phagostimulant.
The preparation method of the premix B comprises the following steps: drying cortex Mori, semen Ziziphi Spinosae and folium Perillae, pulverizing, sieving with 80 mesh sieve, and mixing with calcium hydrogen phosphate, stone powder, salt, sodium sulfate, compound microelements, compound vitamins, lysine, methionine, soybean isoflavone, lecithin, phytase, xylooligosaccharide, whey powder, Spirulina powder, and phagostimulant.
The nutrition standard of the feed for 43-56 days old is as follows: metabolic energy 2800-3021 kcal/kg, crude protein content 17.5%; the feed comprises the following raw materials: 70% of corn, 25% of soybean meal and 5% of premix C;
wherein the premix C is prepared from the following raw materials in parts by weight:
50 parts of calcium hydrophosphate, 4.5 parts of stone powder, 10 parts of salt, 8 parts of sodium sulfate, 0.3 part of composite trace elements, 0.2 part of composite vitamins, 0.5 part of lysine, 0.3 part of methionine, 2 parts of soybean isoflavone, 0.8 part of lecithin, 0.3 part of phytase, 8 parts of xylo-oligosaccharide, 10 parts of whey powder, 5 parts of jujube powder, 7 parts of magnolia officinalis flowers, 5 parts of pepper, 5 parts of chlorella powder and 0.4 part of phagostimulant.
The preparation method of the premix C comprises the following steps: pulverizing flos Magnoliae officinalis and fructus Zanthoxyli, sieving with 60 mesh sieve, and mixing with calcium hydrogen phosphate, stone powder, salt, sodium sulfate, compound microelement, compound vitamin, lysine, methionine, soybean isoflavone, lecithin, phytase, xylooligosaccharide, whey powder, fructus Jujubae powder, Chlorella powder, phagostimulant, etc.
The feed is 57-80 days old, and the nutrition standard of the feed is as follows: metabolic energy 2800-3021 kcal/kg, crude protein content 16.5%; the feed comprises the following raw materials: 70% of corn, 21% of soybean meal, 4% of bran and 5% of premix D;
the premix D is prepared from the following raw materials in parts by weight:
50 parts of calcium hydrophosphate, 5 parts of stone powder, 10 parts of salt, 8 parts of sodium sulfate, 0.3 part of compound trace elements, 0.2 part of compound vitamins, 0.3 part of lysine, 0.7 part of methionine, 0.2 part of choline chloride, 2 parts of soybean isoflavone, 1 part of lecithin, 0.3 part of phytase, 8 parts of xylo-oligosaccharide, 10 parts of whey powder, 5 parts of jujube powder, 7 parts of cortex lycii radicis, 5 parts of mangnolia officinalis, 4 parts of liquorice, 8 parts of marigold residues, 5 parts of chlorella powder and 0.4 part of phagostimulant.
The preparation method of the premix D comprises the following steps: drying and crushing cortex lycii radicis, mangnolia officinalis and liquorice, adding 10 times of water by weight, heating to 100 ℃, preserving heat, leaching for 2 hours, extracting for 2 times, filtering, removing filter residues, combining filtrate, concentrating and drying the filtrate, and then uniformly mixing with calcium hydrophosphate, stone powder, salt, sodium sulfate, compound trace elements, compound vitamins, lysine, methionine, choline chloride, soybean isoflavone, lecithin, phytase, xylooligosaccharide, whey powder, jujube powder, marigold residues, chlorella powder and a phagostimulant to obtain the traditional Chinese medicine composition.
The nutrition standard of the feed for 81-105 days old is as follows: the metabolic energy is 2734-3021 kilocalorie/kg, and the crude protein content is 16.0 percent; the feed comprises the following raw materials: 70% of corn, 19% of soybean meal, 6% of bran and 5% of premix E;
the premix E is prepared from the following raw materials in parts by weight:
60 parts of calcium hydrophosphate, 5 parts of stone powder, 10 parts of salt, 8 parts of sodium sulfate, 0.3 part of compound trace elements, 0.2 part of compound vitamins, 0.5 part of lysine, 0.3 part of methionine, 3 parts of soybean isoflavone, 2 parts of lecithin, 0.3 part of phytase, 8 parts of xylo-oligosaccharide, 10 parts of whey powder, 5 parts of pepper seeds, 7 parts of motherwort, 5 parts of rhizoma anemarrhenae, 5 parts of chlorella powder and 0.4 part of phagostimulant.
The preparation method of the premix E comprises the following steps: drying semen Zanthoxyli, herba Leonuri, and rhizoma anemarrhenae, pulverizing, and mixing with calcium hydrogen phosphate, stone powder, salt, sodium sulfate, compound trace elements, compound vitamins, lysine, methionine, soybean isoflavone, lecithin, phytase, xylooligosaccharide, whey powder, Chlorella powder, and phagostimulant.
The feed is 106 days old, the laying rate is 5 percent, and the nutrition standard of the feed is as follows: the metabolic energy is 2778-; the feed comprises the following raw materials: 66% of corn, 21% of soybean meal, 6% of bran, 2% of stone powder and 5% of premix F;
the premix F is prepared from the following raw materials in parts by weight:
50 parts of calcium hydrophosphate, 7 parts of mountain flour, 10 parts of salt, 8 parts of sodium sulfate, 0.3 part of compound trace elements, 0.2 part of compound vitamins, 0.5 part of lysine, 0.2 part of methionine, 3 parts of soybean isoflavone, 3 parts of lecithin, 0.3 part of phytase, 8 parts of xylo-oligosaccharide, 0.2 part of choline chloride, 10 parts of whey powder, 5 parts of plantain herb, 7 parts of motherwort herb, 5 parts of platycladi seed, 5 parts of cortex lycii radicis and 0.4 part of phagostimulant.
The preparation method of the premix F comprises the following steps: drying herba plantaginis, herba Leonuri, semen Platycladi, and cortex Lycii, pulverizing, sieving with 60 mesh sieve, and mixing with calcium hydrogen phosphate, stone powder, salt, sodium sulfate, compound microelement, compound vitamin, lysine, methionine, soybean isoflavone, lecithin, phytase, xylooligosaccharide, choline chloride, whey powder, and phagostimulant.
Laying rate is 5% -peak-eliminated, and the nutrition standard of the feed is as follows: the metabolic energy is 2867 and 2679 kilocalories/kilogram, and the crude protein content is 16.5% -15.04%.
When the laying rate is 5% -10%, the feed comprises the following raw materials: 66% of corn, 21% of soybean meal, 6% of bran, 2% of stone powder and 5% of premix G;
when the laying rate is 10% -20%, the feed comprises the following raw materials: 66% of corn, 21% of soybean meal, 5% of bran, 3% of stone powder and 5% of premix G;
when the laying rate is 20% -30%, the feed comprises the following raw materials: 66% of corn, 21% of soybean meal, 4% of bran, 4% of stone powder and 5% of premix G;
when the laying rate is 30% -40%, the feed comprises the following raw materials: 66% of corn, 21% of soybean meal, 3% of bran, 5% of stone powder and 5% of premix G;
when the laying rate is 40% -50%, the feed comprises the following raw materials: 65% of corn, 21% of soybean meal, 3% of bran, 6% of stone powder and 5% of premix G;
when the laying rate is 50% -60%, the feed comprises the following raw materials: 64% of corn, 21% of soybean meal, 3% of bran, 7% of stone powder and 5% of premix G;
the feed for feeding the chicken has the following raw materials in the laying rate of 60% -peak-elimination: 63% of corn, 21% of soybean meal, 3% of bran, 8% of stone powder and 5% of premix G.
The premix G is prepared from the following raw materials in parts by weight:
50 parts of calcium hydrophosphate, 7 parts of stone powder, 10 parts of salt, 8 parts of sodium sulfate, 0.3 part of compound trace elements, 0.2 part of compound vitamins, 0.5 part of lysine, 0.2 part of methionine, 3 parts of soybean isoflavone, 3 parts of lecithin, 0.3 part of phytase, 8 parts of xylo-oligosaccharide, 10 parts of whey powder, 0.2 part of choline chloride, 3 parts of chlorella powder, 3 parts of spirulina powder, 5 parts of plantain herb, 7 parts of motherwort herb, 5 parts of sealwort, 5 parts of cortex lycii radicis and 0.4 part of phagostimulant.
The preparation method of the premix G comprises the following steps: drying herba plantaginis, herba Leonuri, rhizoma Polygonati, and cortex Lycii, pulverizing, sieving with 60 mesh sieve, and mixing with calcium hydrogen phosphate, stone powder, salt, sodium sulfate, compound microelement, compound vitamin, lysine, methionine, soybean isoflavone, lecithin, phytase, xylooligosaccharide, whey powder, choline chloride, Chlorella powder, Spirulina powder, and phagostimulant.
The feed fed in different stages comprises:
the composite trace elements comprise the following components in percentage by weight: 1.42 percent of blue vitriol, 5.6 percent of ferrous sulfate monohydrate, 8.4 percent of manganese sulfate monohydrate, 10.6 percent of zinc sulfate monohydrate, 0.01 percent of sodium selenite, 0.08 percent of calcium iodate and the balance of bentonite;
the composite vitamin comprises the following components in percentage by weight: vitamin A5.0%, and vitamin D31.5 percent of vitamin E, 15 percent of vitamin K31.0% of vitamin B10.3% of vitamin B22.5% of vitamin B61.2% of vitamin B120.2 percent of nicotinic acid, 12.6 percent of pantothenic acid, 0.4 percent of folic acid, 1.2 percent of biotin and the balance of bentonite.
The phytase and the phagostimulant are conventional commercial products.
The breeding method further comprises the following steps: the control of the illumination condition is to carry out shading treatment on the henhouse, adopts artificial illumination, and specifically comprises the following steps:
0-18 days old, and the illumination time is 24 h/day; 19-42 days old, and the illumination time is 20 h/day; the age is 43-56 days, and the illumination time is 18 h/day; the product is 57-80 days old, and the illumination time is 14 h/day; the age of 81-105 days, and the illumination time is 10 h/day; the age of 106 days-the laying rate is 5%, and the illumination time is 14 h/day; laying rate is 5% -peak-eliminated, and illumination time is 12 h/day.
Other feeding conditions were performed according to the prior art methods.
Comparative example 1:
the following method is adopted for raising the laying hens:
(1)0-3 weeks old, feed nutrition standard: 12.00MJ/Kg of metabolic energy, 1.11 percent of lysine, 0.49 percent of methionine, 0.38 percent of cystine, 0.76 percent of threonine, 0.22 percent of tryptophan, 1.13 percent of arginine, 0.76 percent of isoleucine, 0.8 percent of valine, 20 percent of crude protein, 1 percent of calcium, 0.45 percent of available phosphorus, 0.18 percent of sodium, 0.18 percent of chloride and 1 percent of linoleic acid, which are all in percentage by weight. The light irradiation is as follows: the illumination is carried out for 24 hours in 0-7 days, 22 hours in 8-14 days and 20 hours in 15-21 days.
(2)4-6 weeks old, feed nutrition standard: 12.00MJ/Kg of metabolic energy, 1.01 percent of lysine, 0.46 percent of methionine, 0.35 percent of cystine, 0.7 percent of threonine, 0.21 percent of tryptophan, 1.03 percent of arginine, 0.71 percent of isoleucine, 0.75 percent of valine, 18.25 percent of crude protein, 1 percent of calcium, 0.44 percent of available phosphorus, 0.17 percent of sodium, 0.17 percent of chloride and 1 percent of linoleic acid, which are all in percentage by weight. The light irradiation is as follows: the illumination time is 18 hours for 22 days, 16 hours for 29-35 days and 14 hours for 35-42 days.
(3)7-10 weeks old, feed nutrition standard: 11.72MJ/Kg of metabolic energy, 0.9 percent of lysine, 0.41 percent of methionine, 0.34 percent of cystine, 0.65 percent of threonine, 0.21 percent of tryptophan, 0.92 percent of arginine, 0.65 percent of isoleucine, 0.71 percent of valine, 17.5 percent of crude protein, 1 percent of calcium, 0.43 percent of available phosphorus, 0.17 percent of sodium, 0.17 percent of chloride and 1 percent of linoleic acid, which are all percentages by weight. The illumination was 12 hours illumination.
(4)11-15 weeks old, feed nutrition standard: 11.44MJ/Kg of metabolic energy, 0.73 percent of lysine, 0.34 percent of methionine, 0.29 percent of cystine, 0.54 percent of threonine, 0.18 percent of tryptophan, 0.75 percent of arginine, 0.54 percent of isoleucine, 0.59 percent of valine, 16 percent of crude protein, 1.4 percent of calcium, 0.45 percent of available phosphorus, 0.18 percent of sodium, 0.18 percent of chloride and 1 percent of linoleic acid, which are all in percentage by weight. The illumination was 12 hours illumination.
(5)16 weeks old-80% laying rate, feed nutrition standard: 11.63MJ/Kg of metabolic energy, 0.79% of lysine, 0.38% of methionine, 0.32% of cystine, 0.58% of threonine, 0.19% of tryptophan, 0.81% of arginine, 0.6% of isoleucine, 0.68% of amino acid, 16.5% of crude protein, 2.5% of calcium, 0.48% of available phosphorus, 0.18% of sodium, 0.18% of chloride and 1% of linoleic acid, which are all in percentage by weight. The illumination was 12 hours illumination.
(6) 80% laying rate-40 weeks old, feed nutrition standard: 11.63MJ/Kg of metabolic energy, 0.84 percent of lysine, 0.45 percent of methionine, 0.3 percent of cystine, 0.7 percent of threonine, 0.19 percent of tryptophan, 0.95 percent of arginine, 0.64 percent of isoleucine, 0.82 percent of valine, 15.5 percent of crude protein, 4.05 percent of calcium, 0.45 percent of available phosphorus, 0.17 percent of sodium, 0.17 percent of chloride and 1 percent of linoleic acid, wherein the percentages are weight percentages. The illumination was 12 hours illumination.
(7)40-60 weeks old, feed nutrition standard: 11.44MJ/Kg of metabolic energy, 0.76 percent of lysine, 0.4 percent of methionine, 0.27 percent of cystine, 0.63 percent of threonine, 0.17 percent of tryptophan, 0.85 percent of arginine, 0.58 percent of isoleucine, 0.74 percent of valine, 15 percent of crude protein, 4 percent of calcium, 0.4 percent of available phosphorus, 0.17 percent of sodium, 0.17 percent of chloride and 1 percent of linoleic acid, which are all weight percentages. The illumination was 12 hours illumination.
(8)60 weeks old-elimination, feed nutrition standard: 11.21MJ/Kg of metabolic energy, 0.74 percent of lysine, 0.39 percent of methionine, 0.26 percent of cystine, 0.61 percent of threonine, 0.17 percent of tryptophan, 0.83 percent of arginine, 0.57 percent of isoleucine, 0.72 percent of valine, 15 percent of crude protein, 4 percent of calcium, 0.4 percent of available phosphorus, 0.17 percent of sodium, 0.17 percent of chloride and 1 percent of linoleic acid, which are all weight percentages. The illumination was 12 hours illumination.
Other feeding conditions were performed according to the prior art methods.
Test example:
to verify the effect of the present invention on layer production performance, the company technical division performed a 700-day feeding trial in the layer farm of the breeder. 8000 helan-brown laying hens of 0 day old were randomly divided into a test group and a control group, and the test group was bred by the method of example 1, and the control group was bred by the method of comparative example 1.
Production performance indexes such as the weight, the shin length standard reaching rate, the chicken population uniformity, the laying period of laying hens, the laying rate peak period duration, the death and culling rate, the feed-egg ratio and the like of 80-day-old chickens are respectively inspected, and the results show that compared with the conventional feeding method (a control group), the breeding method (a test group) can respectively improve the weight and the shin length standard reaching rate of the bred chickens (80-day-old) by 32.4 percent and 45.7 percent; the uniformity of chicken groups is improved by 26.8 percent; the laying hen production time is 12-20 days ahead; the peak period of laying rate is long; the death and culling rate is reduced by 86.9 percent, and the material-egg ratio is reduced by 69.4 percent.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (2)
1. A feeding method for improving the production performance of laying hens is characterized in that the feeding of the laying hens is divided into 7 stages which are respectively as follows: 0-18 days old, 19-42 days old, 43-56 days old, 57-80 days old, 81-105 days old, 106 days old-laying rate 5%, laying rate 5% -peak-eliminating;
wherein, the nutrition standard of the feed for 0-18 days old is as follows: the metabolic energy is 2867-3043 kilocalories/kg, and the crude protein content is 20 percent;
the feed is fed at the age of 19-42 days, and the nutrition standard of the feed is as follows: the metabolic energy is 2867-3043 kilocalories/kg, and the crude protein content is 18.25 percent;
the nutrition standard of the feed for 43-56 days old is as follows: metabolic energy 2800-3021 kcal/kg, crude protein content 17.5%;
the feed is 57-80 days old, and the nutrition standard of the feed is as follows: metabolic energy 2800-3021 kcal/kg, crude protein content 16.5%;
the nutrition standard of the feed for 81-105 days old is as follows: the metabolic energy is 2734-3021 kilocalorie/kg, and the crude protein content is 16.0 percent;
the feed is 106 days old, the laying rate is 5 percent, and the nutrition standard of the feed is as follows: the metabolic energy is 2778-;
laying rate is 5% -peak-eliminated, and the nutrition standard of the feed is as follows: 2867 and 2679 kilocalories/kg of metabolic energy, and 16.5 to 15.04 percent of crude protein content;
the feed fed in the 0-18 day old stage is composed of the following raw materials in parts by mass:
60% of corn, 35% of soybean meal and 5% of premix A;
the premix A is prepared from the following raw materials in parts by weight:
40-60 parts of calcium hydrophosphate, 8-12 parts of salt, 5-10 parts of sodium sulfate, 0.2-0.4 part of composite trace elements, 0.1-0.3 part of composite vitamins, 0.4-0.6 part of lysine, 0.2-0.4 part of methionine, 0.1-0.2 part of tryptophan, 1-2 parts of soybean isoflavone, 0.5-1 part of lecithin, 0.2-0.4 part of phytase, 5-10 parts of xylooligosaccharide, 4-6 parts of lophatherum gracile, 3-5 parts of centella asiatica, 2-4 parts of madder and 0.3-0.5 part of phagostimulant;
the feed fed in the 19-42 day old stage is composed of the following raw materials in parts by mass:
65% of corn, 30% of soybean meal and 5% of premix B;
the premix B is prepared from the following raw materials in parts by weight:
40-60 parts of calcium hydrophosphate, 4-5 parts of stone powder, 8-12 parts of salt, 5-10 parts of sodium sulfate, 0.2-0.4 part of compound trace elements, 0.1-0.3 part of compound vitamins, 0.4-0.6 part of lysine, 0.2-0.4 part of methionine, 1-2 parts of soybean isoflavone, 0.5-1 part of lecithin, 0.2-0.4 part of phytase, 5-10 parts of xylo-oligosaccharide, 8-12 parts of whey powder, 6-8 parts of mulberry bark, 4-6 parts of spina date seed, 2-4 parts of perilla leaf, 4-6 parts of spirulina powder and 0.3-0.5 part of phagostimulant;
the feed fed in the 43-56-day-old stage is composed of the following raw materials in parts by mass:
70% of corn, 25% of soybean meal and 5% of premix C;
wherein the premix C is prepared from the following raw materials in parts by weight:
40-60 parts of calcium hydrophosphate, 4-5 parts of stone powder, 8-12 parts of salt, 5-10 parts of sodium sulfate, 0.2-0.4 part of compound trace elements, 0.1-0.3 part of compound vitamins, 0.4-0.6 part of lysine, 0.2-0.4 part of methionine, 1-2 parts of soybean isoflavone, 0.5-1 part of lecithin, 0.2-0.4 part of phytase, 5-10 parts of xylo-oligosaccharide, 8-12 parts of whey powder, 4-6 parts of jujube powder, 6-8 parts of magnolia officinalis flowers, 4-6 parts of pepper, 4-6 parts of chlorella powder and 0.3-0.5 part of phagostimulant;
the feed fed in the 57-80 day old stage is composed of the following raw materials in parts by mass:
70% of corn, 21% of soybean meal, 4% of bran and 5% of premix D;
the premix D is prepared from the following raw materials in parts by weight:
40-60 parts of calcium hydrophosphate, 4-5 parts of stone powder, 8-12 parts of salt, 5-10 parts of sodium sulfate, 0.2-0.4 part of compound trace elements, 0.1-0.3 part of compound vitamins, 0.2-0.4 part of lysine, 0.6-0.8 part of methionine, 0.1-0.3 part of choline chloride, 1-2 parts of soybean isoflavone, 0.5-1 part of lecithin, 0.2-0.4 part of phytase, 5-10 parts of xylooligosaccharide, 8-12 parts of whey powder, 4-6 parts of jujube powder, 6-8 parts of cortex lycii radicis, 4-6 parts of mangnolia officinalis, 3-5 parts of liquorice, 4-8 parts of marigold residues, 4-6 parts of chlorella powder and 0.3-0.5 part of phagostimulant;
the feed fed in the age of 81-105 days consists of the following raw materials in percentage by mass:
70% of corn, 19% of soybean meal, 6% of bran and 5% of premix E;
the premix E is prepared from the following raw materials in parts by weight:
40-60 parts of calcium hydrophosphate, 4-5 parts of stone powder, 8-12 parts of salt, 5-10 parts of sodium sulfate, 0.2-0.4 part of compound trace elements, 0.1-0.3 part of compound vitamins, 0.4-0.6 part of lysine, 0.2-0.4 part of methionine, 2-4 parts of soybean isoflavone, 1.5-3 parts of lecithin, 0.2-0.4 part of phytase, 5-10 parts of xylo-oligosaccharide, 8-12 parts of whey powder, 4-6 parts of pepper seeds, 6-8 parts of motherwort, 4-6 parts of rhizoma anemarrhenae, 4-6 parts of chlorella powder and 0.3-0.5 part of phagostimulant;
the feed fed at the stage of 106 days old-laying rate of 5% comprises the following raw materials in percentage by mass:
66% of corn, 21% of soybean meal, 6% of bran, 2% of stone powder and 5% of premix F;
the premix F is prepared from the following raw materials in parts by weight:
40-60 parts of calcium hydrophosphate, 6-8 parts of stone powder, 8-12 parts of salt, 5-10 parts of sodium sulfate, 0.2-0.4 part of compound trace elements, 0.1-0.3 part of compound vitamins, 0.3-0.6 part of lysine, 0.1-0.3 part of methionine, 2-4 parts of soybean isoflavone, 2-4 parts of lecithin, 0.2-0.4 part of phytase, 5-10 parts of xylo-oligosaccharide, 0.1-0.3 part of choline chloride, 8-12 parts of whey powder, 4-6 parts of plantain herb, 6-8 parts of motherwort, 4-6 parts of platycladi seed, 4-6 parts of cortex lycii radicis and 0.3-0.5 part of phagostimulant;
the feed for the laying rate 5% -peak-elimination stage is composed of the following raw materials in parts by mass:
63-66% of corn, 21% of soybean meal, 3-6% of bran, 2-8% of stone powder and 5% of premix G;
the premix G is prepared from the following raw materials in parts by weight:
40-60 parts of calcium hydrophosphate, 6-8 parts of stone powder, 8-12 parts of salt, 5-10 parts of sodium sulfate, 0.2-0.4 part of compound trace elements, 0.1-0.3 part of compound vitamins, 0.3-0.6 part of lysine, 0.1-0.3 part of methionine, 2-4 parts of soybean isoflavone, 2-4 parts of lecithin, 0.2-0.4 part of phytase, 5-10 parts of xylooligosaccharide, 8-12 parts of whey powder, 0.1-0.3 part of choline chloride, 2-4 parts of chlorella powder, 2-4 parts of spirulina powder, 4-6 parts of plantain herb, 6-8 parts of motherwort, 4-6 parts of rhizoma polygonati, 4-6 parts of cortex lycii radicis and 0.3-0.5 part of phagostimulant;
the feed raw material composition changes from 5 percent of laying rate to peak to elimination stage: when the laying rate is 5 percent to 10 percent, the raw materials comprise: 66% of corn, 21% of soybean meal, 6% of bran, 2% of stone powder and 5% of premix; then, every 10% of the laying rate of the chicken flocks is increased, the using amount of stone powder in the raw material composition is increased by 1%, and the using amount of bran is reduced by 1% until the using amount of the bran in the raw material composition is 3%; then, the using amount of the corn is reduced by equal amount, and the using amount of the stone powder is increased until the using amount of the stone powder in the raw material composition is 8%.
2. The feeding method as set forth in claim 1, further comprising: the control of the illumination condition is to carry out shading treatment on the henhouse, adopts artificial illumination, and specifically comprises the following steps:
0-18 days old, and the illumination time is 22-24 h/day; 19-42 days old, the illumination time is 18-22 h/day; the age is 43-56 days, and the illumination time is 16-18 h/day; the day of 57-80 years old, the illumination time is 12-14 h/day; the age of 81-105 days, and the illumination time is 8-10 h/day; the age of 106 days-the laying rate is 5%, and the illumination time is 14-16 h/day; laying rate is 5% -peak-eliminated, and illumination time is 12-14 h/day.
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| CN111248147A (en) * | 2018-11-30 | 2020-06-09 | 玉溪新广家禽有限公司 | Breeding chicken full-period breeding method, special feed and preparation process |
| CN109329570A (en) * | 2018-12-05 | 2019-02-15 | 湖南赛福资源饲料科技有限公司 | Improve the universal feed and preparation method of standby chicken compliance rate |
| CN110419641A (en) * | 2019-08-29 | 2019-11-08 | 荆州市和美华生物科技有限公司 | A kind of feed formulation method improving laying cycle of laying hens performance |
| CN110946220A (en) * | 2019-12-06 | 2020-04-03 | 甘肃省畜牧兽医研究所 | Feed for quiet jungle fowl in different growth periods and feeding method thereof |
| CN111000059A (en) * | 2019-12-17 | 2020-04-14 | 山东和美华农牧科技股份有限公司 | Feed for improving laying performance of laying hens and application |
| CN111631299A (en) * | 2020-05-22 | 2020-09-08 | 巴马中发科创健康科技有限公司 | Laying hen feed, laying hen feeding method and feeding system |
| CN111467475A (en) * | 2020-05-28 | 2020-07-31 | 石家庄恒泰和动物药业有限公司 | Pharmaceutical composition for increasing laying rate of laying hens and preparation and application thereof |
| CN111838072A (en) * | 2020-08-12 | 2020-10-30 | 四平市和农牧业有限公司 | Two-card breeding method for improving laying hen production performance |
| CN112189766A (en) * | 2020-10-25 | 2021-01-08 | 石河子泰昆饲料有限责任公司 | Formula feed suitable for winter laying hens and preparation and application thereof |
| CN116326541A (en) * | 2023-02-22 | 2023-06-27 | 江苏省家禽科学研究所 | Method for constructing model for influencing growth and development of laying hens and egg laying performance by using feed coarse fibers |
| CN116098118B (en) * | 2023-02-22 | 2024-02-09 | 江苏省家禽科学研究所 | Method for constructing general model of coarse fiber level of feed for laying hens in growing period |
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