CN107736492A - A kind of black laying cycle of laying hens feed of new poplar and method for breeding - Google Patents
A kind of black laying cycle of laying hens feed of new poplar and method for breeding Download PDFInfo
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- CN107736492A CN107736492A CN201711080021.9A CN201711080021A CN107736492A CN 107736492 A CN107736492 A CN 107736492A CN 201711080021 A CN201711080021 A CN 201711080021A CN 107736492 A CN107736492 A CN 107736492A
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Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K50/00—Feeding-stuffs specially adapted for particular animals
- A23K50/70—Feeding-stuffs specially adapted for particular animals for birds
- A23K50/75—Feeding-stuffs specially adapted for particular animals for birds for poultry
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K67/00—Rearing or breeding animals, not otherwise provided for; New or modified breeds of animals
- A01K67/02—Breeding vertebrates
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/142—Amino acids; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/142—Amino acids; Derivatives thereof
- A23K20/147—Polymeric derivatives, e.g. peptides or proteins
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/20—Inorganic substances, e.g. oligoelements
- A23K20/28—Silicates, e.g. perlites, zeolites or bentonites
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Polymers & Plastics (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Birds (AREA)
- Environmental Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Animal Behavior & Ethology (AREA)
- Inorganic Chemistry (AREA)
- Fodder In General (AREA)
Abstract
The invention discloses a kind of black laying cycle of laying hens feed of new poplar and method for breeding, according to the physilogical characteristics in new poplar black chicken each stage, the feed of three growth phases is set:The laying period feed of the laying period feed of 16 ~ 30 week old, the laying period feed of 31 ~ 55 week old and 56 ~ 72 week old, each growth phase have different nutritive indexs.Feed each component of the present invention is engaged, and as the black laying cycle of laying hens feed of new poplar, can be improved the egg laying performance of the black laying hen of new poplar, be reduced aquaculture cost.
Description
Technical field
The present invention relates to a breeding hen feed, and in particular to a kind of black laying cycle of laying hens feed of new poplar and method for breeding.
Background technology
With feed industry and the continuous development of animal husbandry, the yield of feed rises, and caused raw material problem in short supply is also got over
Come more serious, for this, country develops a kind of black laying hen new varieties of the low new poplar of feed intake.The black plumage of " new poplar is black " laying hen, black pin,
Five toes, build is beautiful, and laying rate is high, and 72 week old are laid eggs more than 290, and peak period laying rate can maintain 1 month up to more than 90%
More than;" new poplar is black " egg egg size is small, and for average egg weight less than 50 grams, long-distance transport egg percentage of damage is low.
Yang Jian of country of Animal Husbandary and Veterinary Inst., Shanghai Academy of Agricultural Science poultry Engineering Technical Research Centre et al. is open
《" new poplar is black " laying cycle of laying hens feeding management main points》, but in actual production, raised according to the laying period in this document
Management method is carried out feeding the black laying hen of new poplar, and the black egg laying performance of new poplar is unsatisfactory, and 80% laying rate is held time 1 month left side
The right side, 90% laying rate only have 1 week less than most of time maintains more than 70% laying rate, differs larger with breed standard.This
Application inventor can not meet needs of laying eggs to find out its cause, finding the nutritive index of feed, by the trophic level of the black recommendation of new poplar
The feed that (being shown in Table 1) is carried out configures not science.
The black laying hen nutrition of new poplar of table 1 needs to recommend
Project | 13~15 week old | 16~17 week old | 18~34 week old | 34~35 week old | 55~72 week old |
Energy/kcal/kg | 3060~3020 | 2950~2930 | 2920~2880 | 2880~2830 | 2830~2800 |
Crude protein/% | 16.5~17 | 16.8~17.2 | 15.9~16.2 | 15.3~15.2 | 15.2~15 |
Dregs of beans/% | 25 | 26 | 24 | 22 | 21 |
Lysine/% | 0.83 | 0.85 | 0.8 | 0.75 | 0.72 |
Methionine/% | 0.36 | 0.38 | 0.39 | 0.36 | 0.33 |
Calcium/% | 1.4 | 2.5 | 4 | 4.2 | 4.4 |
Available phosphorus/% | 0.45 | 0.48 | 0.48 | 0.45 | 0.45 |
Feed intake/g | 50~65 | 65~80 | 80~95 | 95~80 | 95~80 |
Therefore, it is necessary to develop a kind of special black egg feedstuff of new poplar.
The content of the invention
For deficiency of the prior art, it is an object of the invention to provide a kind of new black laying cycle of laying hens feed of poplar, this kind
Feed is directed to the black laying hen of new poplar, and laying rate is high, length of holding time, and eggshell quality is good.
To achieve the above object, the present invention adopts the following technical scheme that:
A kind of black laying cycle of laying hens feed of new poplar, is characterized in, includes the feed of three growth phases:
The laying period feed of 16~30 week old, wherein meeting following nutritive index:Energy is 2650~2700kcal/kg,
The content of crude protein is 17%, and the content of lysine is 0.85~0.94%, and the content of methionine is 0.42~0.45%, calcium
Content is 3.5%-3.7%, available phosphorus content 0.28%-0.32%;
The laying period feed of 31~55 week old, wherein meeting following nutritive index:Energy is 2650~2700kcal/kg,
The content of crude protein is 16~16.5%, and the content of lysine is 0.8~0.85%, the content of methionine for 0.38~
0.42%, the content of calcium is 3.5%-3.7%, available phosphorus content 0.24%-0.27%;
The laying period feed of 56~72 week old, wherein meeting following nutritive index:Energy is 2650~2700kcal/kg,
The content of crude protein is 15.5~16.0%, and the content of lysine is 0.75~0.80%, the content of methionine for 0.35~
0.38%, the content of calcium is 3.7-4.0%, available phosphorus content 0.23-0.26%.
The present invention also provides a kind of method for breeding for improving the new black Layer Production Performance of poplar, and this method is according to following growth
The different complete feed of phase feeding:
The laying period feed of 16~30 week old, wherein meeting following nutritive index:Energy is 2650~2700kcal/kg,
The content of crude protein is 17%, and the content of lysine is 0.85~0.94%, and the content of methionine is 0.42~0.45%, calcium
Content is 3.5%-3.7%, available phosphorus content 0.28%-0.32%, the feed intake of the new black laying hen of poplar for 65~85g/ only/
My god;
The laying period feed of 31~55 week old, wherein meeting following nutritive index:Energy is 2650~2700kcal/kg,
The content of crude protein is 16~16.5%, and the content of lysine is 0.8~0.85%, the content of methionine for 0.38~
0.42%, the content of calcium is 3.5%-3.7%, and available phosphorus content 0.24%-0.27%, the feed intake of the new black laying hen of poplar is 80
~95g/ pcs/day;
The laying period feed of 56~72 week old, wherein meeting following nutritive index:Energy is 2650~2700kcal/kg,
The content of crude protein is 15.5~16.0%, and the content of lysine is 0.75~0.80%, the content of methionine for 0.35~
0.38%, the content of calcium is 3.7%-4.0%, and available phosphorus content 0.23%-0.26%, the feed intake of the new black laying hen of poplar is 80
~95g/ pcs/day.
Compared with prior art, technical scheme has the advantages that:
(1) present invention is according to the distinctive physilogical characteristics of the of the prior art insufficient and new black laying hen of poplar, redesign it is new
The nutritive index of the black chicken feed of poplar can preferably meet the needs that grow and lay eggs in new poplar black chicken each stage, increase height
Peak phase laying rate, and extend the time of peak period laying rate, up to more than 3 months, so as to improve laying eggs for whole production cycle
Rate.
(2) further, while above nutritive index is met, the present invention have also been devised special for the black laying hen of new poplar
Full nutrition feed;Each component cooperates in the feed, as the black laying cycle of laying hens feed of new poplar, can significantly improve new poplar
The egg laying performance of black laying hen, reduce aquaculture cost.
Embodiment
It is noted that described further below is all exemplary, it is intended to provides further instruction to the present invention.It is unless another
Indicate, all technologies used herein and scientific terminology are with usual with general technical staff of the technical field of the invention
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the present invention.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation and/or combinations thereof.
As background technology is introduced, the feed carried out according to the new black laying hen nutrition standard of poplar of the prior art configures
In the presence of certain deficiency, in order to solve technical problem as above, the characteristics of the present invention black for new poplar laying hen different growth phases,
A kind of black laying cycle of laying hens feed of new poplar is proposed, is characterized in, includes the feed of three growth phases, be according to quality below
Percentage composition:
The laying period feed of 16~30 week old, wherein meeting following nutritive index:Energy is 2650~2700kcal/kg,
The content of crude protein is 17%, and the content of lysine is 0.85~0.94%, and the content of methionine is 0.42~0.45%, calcium
Content is 3.5%-3.7%, available phosphorus content 0.28%-0.32%;
The laying period feed of 31~55 week old, wherein meeting following nutritive index:Energy is 2650~2700kcal/kg,
The content of crude protein is 16~16.5%, and the content of lysine is 0.8~0.85%, the content of methionine for 0.38~
0.42%, the content of calcium is 3.5%-3.7%, available phosphorus content 0.24%-0.27%;
The laying period feed of 56~72 week old, wherein meeting following nutritive index:Energy is 2650~2700kcal/kg,
The content of crude protein is 15.5~16.0%, and the content of lysine is 0.75~0.80%, the content of methionine for 0.35~
0.38%, the content of calcium is 3.7-4.0%, available phosphorus content 0.23-0.26%.
In the preferred embodiment of the invention, a kind of method for breeding for improving the new black Layer Production Performance of poplar is also provided, should
Method is that different complete feeds is fed according to following growth phase:
The laying period feed of 16~30 week old, wherein meeting following nutritive index:Energy is 2650~2700kcal/kg,
The content of crude protein is 17%, and the content of lysine is 0.85~0.94%, and the content of methionine is 0.42~0.45%, calcium
Content is 3.5%-3.7%, available phosphorus content 0.28%-0.32%, the feed intake of the new black laying hen of poplar for 65~85g/ only/
My god;
The laying period feed of 31~55 week old, wherein meeting following nutritive index:Energy is 2650~2700kcal/kg,
The content of crude protein is 16~16.5%, and the content of lysine is 0.8~0.85%, the content of methionine for 0.38~
0.42%, the content of calcium is 3.5%-3.7%, and available phosphorus content 0.24%-0.27%, the feed intake of the new black laying hen of poplar is 80
~95g/ pcs/day;
The laying period feed of 56~72 week old, wherein meeting following nutritive index:Energy is 2650~2700kcal/kg,
The content of crude protein is 15.5~16.0%, and the content of lysine is 0.75~0.80%, the content of methionine for 0.35~
0.38%, the content of calcium is 3.7%-4.0%, and available phosphorus content 0.24%-0.27%, the feed intake of the new black laying hen of poplar is 80
~95g/ pcs/day.
In the preferred embodiment of the invention, the laying period feed of 16~30 week old is made up of following raw material
's:60 parts of corn, 26 parts of 43 dregs of beans, 8 parts of stone flour, 5 parts of premix, (preferred oil is vegetable oil to 1 part of oil, such as soya-bean oil, palm oil
Deng);
The laying period feed of 31~55 week old is made of following raw material:61.5 parts of corn, 25 parts of 43 dregs of beans,
8 parts of stone flour, 5 parts of premix, 0.5 part of oil;
The laying period feed of 56~72 week old is made of following raw material:61.5 parts of corn, 24 parts of 43 dregs of beans,
8.5 parts of stone flour, 5 parts of premix, 1 part of oil;
Wherein, the premix is made of following raw material:Calcium monohydrogen phosphate 150-200 parts, stone flour 300-
320 parts, it is salt 40-60 parts, sodium sulphate 20-40 parts, glycine betaine 2-6 parts, choline 15-20 parts, 40 parts of composite trace element, multiple
Close 10 parts of vitamin, lysine 10-25 parts, methionine 25-35 parts, tryptophan 2-4 parts, palm kernel meal 150-200 parts, wheat meal
Stone 90-150 parts, vitamin C 1-2 parts, probiotics 1-3 parts, xylo-oligosaccharide 1-3 parts, phytase 2-5 parts, complex enzyme formulation 2-5
Part, PORPHYRIN IRON 1-2 parts, motherwort 2-5 parts.
In the preferred embodiment of the invention, the laying period feed of 16~30 week old is made up of following raw material
's:61 parts of corn, 26 parts of 43 dregs of beans, 8 parts of stone flour, 4 parts of premix, 1 part of oil;
The laying period feed of 31~55 week old is made of following raw material:62.5 parts of corn, 25 parts of 43 dregs of beans,
8 parts of stone flour, 4 parts of premix, 0.5 part of oil;
The laying period feed of 56~72 week old is made of following raw material:62.5 parts of corn, 24 parts of 43 dregs of beans,
8.5 parts of stone flour, 4 parts of premix, 1 part of oil;
Wherein, the premix is made of following raw material:It is made up of following component by weight:Phosphorus
Sour hydrogen calcium 188-250 parts, stone flour 375-400 parts, salt 50-75 parts, sodium sulphate 25-50 parts, glycine betaine 3-8 parts, choline
19-25 parts, 50 parts of composite trace element, 13 parts of B B-complex, lysine 13-31 parts, methionine 31-44 parts, tryptophan
3-5 parts, palm kernel meal 188-250 parts, medical stone 113-188 parts, vitamin C 1.3-3 parts, probiotics 1.3-4 parts, oligomeric wood
Sugared 1.3-4 parts, phytase 2.5-6.5 parts, complex enzyme formulation 2.5-6.5 parts, PORPHYRIN IRON 1.3-2.5 parts, motherwort 2.5-6.5
Part.
In the preferred embodiment of the invention, the laying period feed of 16~30 week old is made up of following raw material
's:61 parts of corn, 27 parts of 43 dregs of beans, 8 parts of stone flour, 3 parts of premix, 1 part of oil;
The laying period feed of 31~55 week old is made of following raw material:62.5 parts of corn, 26 parts of 43 dregs of beans,
8 parts of stone flour, 3 parts of premix, 0.5 part of oil;
The laying period feed of 56~72 week old is made of following raw material:62.5 parts of corn, 25 parts of 43 dregs of beans,
8.5 parts of stone flour, 3 parts of premix, 1 part of oil;
Wherein, the premix is made of following raw material:Calcium monohydrogen phosphate 250-333 parts, stone flour 500-
533 parts, salt 67-100 parts, sodium sulphate 33-67 parts, glycine betaine 3-10 parts, choline 25-33 parts, 68 parts of composite trace element,
18 parts of B B-complex, lysine 17-42 parts, methionine 42-58 parts, tryptophan 3-7 parts, palm kernel meal 250-333 parts, wheat
Meal stone 150-250 parts, vitamin C 2-3 parts, probiotics 2-5 parts, xylo-oligosaccharide 2-5 parts, phytase 3-8 parts, complex enzyme system
Agent 3-8 parts, PORPHYRIN IRON 1.7-3.3 parts, motherwort 3-8 parts.
In the preferred embodiment of the invention, the laying period feed of 16~30 week old is made up of following raw material
's:61.5 parts of corn, 27 parts of 43 dregs of beans, 8 parts of stone flour, 2.5 parts of premix, 1 part of oil;
The laying period feed of 31~55 week old is made of following raw material:63 parts of corn, 26 parts of 43 dregs of beans, stone
8 parts of powder, 2.5 parts of premix, 0.5 part of oil;
The laying period feed of 56~72 week old is made of following raw material:63 parts of corn, 25 parts of 43 dregs of beans, stone
8.5 parts of powder, 2.5 parts of premix, 1 part of oil;
Wherein, the premix is made of following raw material:Calcium monohydrogen phosphate 300-400 parts, stone flour 600-
640 parts, salt 80-120 parts, sodium sulphate 40-80 parts, glycine betaine 4-12 parts, choline 30-40 parts, 80 parts of composite trace element,
20 parts of B B-complex, lysine 20-50 parts, methionine 50-70 parts, tryptophan 4-8 parts, palm kernel meal 300-400 parts, wheat
Meal stone 180-300 parts, vitamin C 2-4 parts, probiotics 2-6 parts, xylo-oligosaccharide 2-6 parts, phytase 4-10 parts, complex enzyme system
Agent 4-10 parts, PORPHYRIN IRON 2-4 parts, motherwort 4-10 parts.
In the preferred embodiment of the invention, the laying period feed of 16~30 week old is made up of following raw material
's:62 parts of corn, 27 parts of 43 dregs of beans, 8 parts of stone flour, 2 parts of premix, 1 part of oil;
The laying period feed of 31~55 week old is made of following raw material:63.5 parts of corn, 26 parts of 43 dregs of beans,
8 parts of stone flour, 2 parts of premix, 0.5 part of oil;
The laying period feed of 56~72 week old is made of following raw material:63.5 parts of corn, 25 parts of 43 dregs of beans,
8.5 parts of stone flour, 2 parts of premix, 1 part of oil;
Wherein, the premix is made of following raw material:Calcium monohydrogen phosphate 375-500 parts, stone flour 750-
800 parts, salt 100-150 parts, sodium sulphate 50-100 parts, glycine betaine 5-15 parts, choline 37.5-50 parts, composite trace element
100 parts, 25 parts of B B-complex, lysine 25-62.5 parts, methionine 62.5-87.5 parts, tryptophan 5-10 parts, palm kernel meal
375-500 parts, medical stone 225-375 parts, vitamin C 2.5-5 parts, probiotics 2.5-7.5 parts, xylo-oligosaccharide 2.5-7.5
Part, phytase 5-12 parts, complex enzyme formulation 5-12 parts, PORPHYRIN IRON 2.5-5 parts, motherwort 5-12.5 parts.
In the preferred embodiment of the invention, described composite trace element is ferrous sulfate, copper sulphate, manganese sulfate, sulphur
Two or more arbitrary proportions in sour zinc, sodium selenite, calcium iodate, which coordinate, to be formed.
Preferably, each composition of composite trace element is by weight percentage:Cupric sulfate pentahydrate 1.57%, ferrous sulfate monohydrate
15.0%th, manganese sulfate monohydrate 16.1%, monohydrate zinc sulphate 12.86%, sodium selenite 0.08%, calcium iodate 0.083%, its remaining part
It is divided into carrier, carrier is universal support.
In the preferred embodiment of the invention, described B B-complex is vitamin A, vitamine D3, vitamin E, dimension
Two kinds or more in raw plain K3, vitamin B1, vitamin B2, vitamin B6, vitamin B12, nicotinic acid, pantothenic acid, folic acid, biotin
Kind arbitrary proportion, which coordinates, to be formed.
Preferably, each composition of B B-complex is by weight percentage:Vitamin A account for 6.0%, vitamine D3 account for 1.5%,
Vitamin e1 5%, Vitamin K3 account for 1.5%, vitamin B1 account for 0.7%, vitamin B2 account for 1.9%, vitamin B6 account for 1.2%,
Vitamin B12, which accounts for 0.65%, nicotinic acid and accounts for 11.3%, pantothenic acid and account for 4.1%, folic acid and account for 0.3%, biotin, accounts for 1.25%,
Remainder is carrier, and carrier is universal support.
In the preferred embodiment of the invention, described complex enzyme formulation is that protease, amylase, cellulase, wood are poly-
Two or more arbitrary proportions in carbohydrase, 'beta '-mannase, which coordinate, to be formed.Wherein complex enzyme formulation can be bought with market.Wood
The SNSP such as glycan, beta glucan, cellulose difficulty is digested and assimilated by new poplar is black, they be plant cell wall composition into
Point, and the increase of alimentary canal chyme viscosity can be made, cause daily ration nutrient digestibility and feeding effect to reduce, limit cereal and raising
Application in material.The non-starch polysaccharide enzymes such as zytase, 1,4 beta-glucanase can decompose SNSP, eliminate its anti-nutrition and make
With.
In the preferred embodiment of the invention, described probiotics be by bacillus subtilis, lactic acid bacteria, clostridium butyricum and
Conventional universal support composition, wherein the viable count of bacillus subtilis is more than 20,000,000,000 cfu/g, and lactic acid bacteria is more than 3,000,000,000 cfu/
G, clostridium butyricum are more than 1,000,000,000 cfu/g.Probiotics regulation gut flora balance, promote development and the cell migration of intestinal villus,
Strengthen immunity;Enteron aisle low-oxygen environment is formed, is promoted beneficial to anaerobism bacteria growing, and produces the organic acids such as lactic acid, reduces enteron aisle
PH value, suppress the growth of other pathogenic bacteria indirectly.
43 dregs of beans refer to dregs of beans gross protein value >=43.0%.
Phytase:The content of enteron aisle phytase is improved, stimulates the development of phytase, improves laying hen to the phytate phosphorus in feed
Absorption rate, while improve the absorption of the elements such as copper, iron, manganese, zinc.
Glycine betaine:Glycine betaine provides efficient active methyl for body, as a kind of mesostate in animal body,
It take part in animal protein and fat metabolism indirectly.When choline insufficient supply in feed, addition glycine betaine has part to substitute courage
The effect of alkali.Appropriate supplement glycine betaine can substitute another main methyl donor in daily ration -- and methionine acts on for methyl,
So as to save methionine, protein utilization is improved.The ability that glycine betaine provides methyl can also promote carnitine in animal body
Synthesis, improve fat metabolism intensity.
Lysine:A kind of essential amino acid, easily lack in feed, lysine, which has, to be met animal needs, promotes animal life
Effect that is long, improving amino acid balance, improve efficiency of feed utilization, saving protein resource.Phytoprotein and its feeding can be improved
The nutritive value of material, be advantageous to develop protein feed resource.By additionally being supplemented in feed, amino acid balance can be made, improved
Egg Production of Laying Hens efficiency.
Methionine:It is a kind of essential additive in animal feed, it is one of base unit for forming protein,
It is the unique amino acid containing sulphur in essential amino acid, it participates in transfer and the metabolism of phosphorus and the adrenaline, courage of internal methyl
The synthesis of alkali and creatine;It is the raw material of synthetic protein and cystine, is methyl donor.In mixed feed particularly bird feed
In, methionine is the first limiting amino acid.Livestock and poultry lack methionine, can cause depauperation, weight loss, liver kidney function subtracts
Weak, muscular atrophy, fur is rotten etc..
Tryptophan:Important amino acid, but do not added typically in egg feedstuff.It may participate in plasma proteins in animal body
Renewal, and riboflavin can be promoted to play a role, additionally aid the synthesis of nicotinic acid and ferroheme.When livestock and poultry lack tryptophan,
Anti-stress ability is poor.
Xylo-oligosaccharide:Xylo-oligosaccharide is also known as wood oligose, is combined into by 2-7 xylose molecule with β-Isosorbide-5-Nitrae glycosidic bond
Feature polymerization sugar.Its bifidobacterium factor functional is 10-20 times of other polymerization carbohydrates.Xylo-oligosaccharide with it is big used in usual people
Beans oligosaccharide, FOS, oligoisomaltose etc. are compared with unique advantage, and it can selectively promote enteron aisle bifid
The proliferation activity of bacillus.
PORPHYRIN IRON:It is the purification form of natural ferroheme, separating-purifying comes out typically from animal blood.
As ferrous-fortifier, for anti-anemia action, the black eggshell color of new poplar is improved.
Motherwort:A kind of Chinese herbal medicine.Promoting blood circulation, dissolving stasis, menstruation regulating, disappear water.Control irregular menstruation, threatened abortion difficult labour, placenta retension, production
Bruise afterwards, abdominal pain due to blood stasis etc..For in the black egg feedstuff of new poplar, mainly improving salpingitis symptom, eggshell quality is improved.
Palm kernel meal:The accessory substance of palm oil is extracted, cheap, resources advantage is obvious, and feeding value is high, has without poisonous
Evil material, is not required to be reprocessed, can be directly used as protein raw materials.
The nutritive value of feed and the nutritional requirements of animal accurately are estimated, is the black chicken feed additive of the new poplar of scientific design
Basis.Every kind of animal has its respective growth and physilogical characteristics in different growth phases, and certainly, the new black chicken of poplar is in difference
Growth phase also have its special growth and physilogical characteristics, it is black that higher or lower nutriment quantity delivered is all unfavorable for new poplar
Laying hen grows, so as to influence the egg laying performance of the black laying hen of new poplar.On the other hand, the present inventor is first using of the prior art
Method for breeding carries out the black laying hen of the new poplar of feeding management, it is found that the nutritive index of its feed can not meet the needs laid eggs;Secondly, originally
The distinctive growth of the black laying hen of new poplar and physilogical characteristics that inventor is grasped according to oneself, three suitable growths are repartitioned
Stage, including 16~30 week old, 31~55 week old and 56~72 week old, and according to each of black these three growth phases of laying hen of new poplar
From distinctive physilogical characteristics, each growth phase is redesigned and has met to grow and lay eggs the nutritive indexs of needs;Then,
Consider interaction relationship-collaboration between various raw materials and the relation of antagonism, devise and meeting the same of above nutritive index
When can further improve the black laying hen of new poplar egg laying performance full nutrition feed formula, the full nutrition feed includes major ingredient
And premix, it is glycine betaine, tryptophan, palm kernel meal, medical stone, probiotics, xylo-oligosaccharide, phytase wherein in premix, multiple
The cooperation of the raw materials such as synthase preparation, PORPHYRIN IRON and motherwort can aid in other raw materials to play the egg productivity for improving the new black laying hen of poplar
The effect of energy;Finally, it is contemplated that feed cost, the present inventor have also been devised 5 recommendation feed formulas, and the formula can be carried significantly
The egg laying performance of the high-new black laying hen of poplar, reduce aquaculture cost.
In order that technical scheme can clearly be understood by obtaining those skilled in the art, below with reference to tool
The embodiment of body describes technical scheme in detail.
A kind of black laying cycle of laying hens feed of new poplar, by percentage to the quality, embodiment 1 is 5% premix, and embodiment 2 is
4% premix, embodiment 3 are 3% premix, and embodiment 4 is 2.5% premix, and embodiment 5 is 2% premix, of the invention
Feed producing method is:Each raw material is pulverized and mixed.Its formula is shown in Table 2:
Complete feed in the embodiment 1~5 of table 2
Above-described embodiment 1~5 meets following nutritive index, is shown in Table 3:
The nutritive index of the full nutrition feed of table 3
Project | 16-30 week old | 31-55 week old | 56-72 week old |
Energy (kcal/kg) | 2650-2700 | 2650-2700 | 2650-2700 |
Thick protein (%) | 17 | 16-16.5 | 15.5-16.0 |
Lysine (%) | 0.85-0.94 | 0.8-0.85 | 0.75-0.8 |
Methionine (%) | 0.42-0.45 | 0.38-0.42 | 0.35-0.38 |
Calcium | 3.6 | 3.6 | 3.8 |
Available phosphorus (%) | 0.3 | 0.25 | 0.25 |
Feed intake (g) | 65-85 | 80-95 | 80-95 |
Wherein, the premix in embodiment 1 is made up of following raw material:200 parts of calcium monohydrogen phosphate, 300 parts of stone flour,
40 parts of salt, 40 parts of sodium sulphate, 6 parts of glycine betaine, 20 parts of choline, 40 parts of composite trace element, 10 parts of B B-complex, lysine
15 parts, 30 parts of methionine, 2 parts of tryptophan, 150 parts of palm kernel meal, 131 parts of medical stone, Catergen part, 2 parts of probiotics, oligomeric wood
2 parts of sugar, 3 parts of phytase, 2 parts of complex enzyme formulation, 2 parts of PORPHYRIN IRON, 3 parts of motherwort.
Premix in embodiment 2 is made up of following raw material:
It is 250 parts of calcium monohydrogen phosphate, 400 parts of stone flour, 60 parts of salt, 40 parts of sodium sulphate, 5 parts of glycine betaine, 23 parts of choline, compound micro-
50 parts of secondary element, 13 parts of B B-complex, 25 parts of lysine, 40 parts of methionine, 4 parts of tryptophan, 200 parts of palm kernel meal, medical stone
155 parts, 2 parts of vitamin C, 2 parts of probiotics, 2 parts of xylo-oligosaccharide, 4.5 parts of phytase, 4.5 parts of complex enzyme formulation, PORPHYRIN IRON 2
Part, 4 parts of motherwort.
Premix in embodiment 3 is made up of following raw material:
It is 280 parts of calcium monohydrogen phosphate, 520 parts of stone flour, 85 parts of salt, 55 parts of sodium sulphate, 8 parts of glycine betaine, 28 parts of choline, compound micro-
68 parts of secondary element, 18 parts of B B-complex, 35 parts of lysine, 46 parts of methionine, 5 parts of tryptophan, 290 parts of palm kernel meal, medical stone
200 parts, Catergen .5 parts, 4 parts of probiotics, 4 parts of xylo-oligosaccharide, 5 parts of phytase, 5 parts of complex enzyme formulation, 3 parts of PORPHYRIN IRON, benefit
5 parts of Brittle Falsepimpernel Herb.
Premix in embodiment 4 is made up of following raw material:
It is 350 parts of calcium monohydrogen phosphate, 620 parts of stone flour, 100 parts of salt, 60 parts of sodium sulphate, 10 parts of glycine betaine, 35 parts of choline, compound
80 parts of trace element, 20 parts of B B-complex, 45 parts of lysine, 55 parts of methionine, 5 parts of tryptophan, 350 parts of palm kernel meal, wheat meal
260 parts of stone, 3 parts of vitamin C, 4 parts of probiotics, 5 parts of xylo-oligosaccharide, 6 parts of phytase, 8 parts of complex enzyme formulation, 3 parts of PORPHYRIN IRON,
8 parts of motherwort.
Premix in embodiment 5 is made up of following raw material:
It is 450 parts of calcium monohydrogen phosphate, 770 parts of stone flour, 120 parts of salt, 80 parts of sodium sulphate, 10 parts of glycine betaine, 45 parts of choline, compound
100 parts of trace element, 25 parts of B B-complex, 45 parts of lysine, 80 parts of methionine, 7.5 parts of tryptophan, 450 parts of palm kernel meal, wheat
300 parts of meal stone, 4 parts of vitamin C, 5 parts of probiotics, 5.5 parts of xylo-oligosaccharide, 7.5 parts of phytase, 7.5 parts of complex enzyme formulation, porphin
3 parts of quinoline iron, 12 parts of motherwort.
Wherein, described probiotics is addition bacillus subtilis 100g/T (viable bacterias>200 hundred million)+lactic acid bacteria 100g/T is (living
Bacterium>30 hundred million)+clostridium butyricum 100g/T (viable bacterias>10 hundred million).
Experimental example
For influence of the checking present invention to performance in layers, the company technique portion of the applicant existed in the 1-5 months in 2017
Raiser laying hen field has carried out the feeding experiment of 250 days by a definite date.Experiment using single factor test contrast test design, 5796 200 days
The normal new black laying hen of poplar in or so age is randomly divided into test group, control group 1 and control group 2, and every group includes 3 repetitions, often
Individual 644 chickens of repetition.Test group daily ration is the feed in the embodiment of the present invention 1, and control group 1 and the daily ration of control group 2 are by background
The common layer chicken feed that the black nutritive index nutrition of the new poplar of table 1 is prepared in technology, corresponding feed is fed in different phase.Examination
Test group:The feed of 200~210 ages in days feeding 16-30 week old, the feed of 211~385 ages in days feeding 31-55 week old, 386~450
Age in days feeds the feed of 56-72 week old.Control group:The feeding of 200~238 ages in days is matched somebody with somebody by the nutritive index of 18~34 week old in table 1
The normal diet of system, the normal diet that the feeding of 239~385 ages in days is prepared by the nutritive index of 34~35 week old in table 1,386~
The normal diet that the nutritive index of 55~72 week old in table 1 is prepared is pressed in the feeding of 450 ages in days.In order that control group 1 and test group tool
There is comparativity, the premix that the normal diet of the control group 1 uses is identical with test group.The normal diet of control group 2 uses
Meet the commercial like product of corresponding nutritive index.
Result of the test is shown in Table 4:
Table 4 eats influence of feed and the control group feed of the present invention to performance in layers
Death and culling rate (%) | Laying rate (%) | Average egg weight (g) | Rate of broken eggs (%) | Feedstuff-egg ratio | |
Test group | 4.2 | 85.8 | 50.5 | 0.1 | 2.36 |
Control group 1 | 5.5 | 78.2 | 48.2 | 0.14 | 2.47 |
Control group 2 | 5.8 | 75.4 | 47.9 | 0.15 | 2.49 |
Deviation | -1.3 | 7.6 | 2.3 | -0.04 | -0.11 |
Result of the test shows:1st, death and culling rate:Test group reduces 23.64% than control group 1, is reduced than control group 2
27.58%;
2nd, laying rate:Test group improves 9.72% than control group 1, and 13.79% is improved than control group 2;
3rd, average egg weight:Test group improves 4.77% than control group 1, and 5.43% is improved than control group 2;
4th, rate of broken eggs:Test group reduces 28.57% than control group 1, and 33.33% is reduced than control group 2;
5th, feedstuff-egg ratio:Test group reduces 4.45% than control group 1, and 5.22% is reduced than control group 2.
Shown by result of the test, compared with control group, feed of the invention has in death and culling rate, rate of broken eggs and feedstuff-egg ratio
It is obvious to decline, all it is significantly improved in laying rate, average egg weight, both have the difference of conspicuousness.
Above-described embodiment is the preferable embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any Spirit Essences without departing from the present invention with made under principle change, modification, replacement, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (10)
1. a kind of black laying cycle of laying hens feed of new poplar, it is characterized in that, include the feeds of three growth phases:
The laying period feed of 16 ~ 30 week old, wherein meeting following nutritive index:Energy is 2650 ~ 2700 kcal/kg, crude protein
Content be 17%, the content of lysine is 0.85 ~ 0.94%, and the content of methionine is 0.42 ~ 0.45%, and the content of calcium is 3.5%-
3.7%, available phosphorus content 0.28%-0.32%;
The laying period feed of 31 ~ 55 week old, wherein meeting following nutritive index:Energy is 2650 ~ 2700 kcal/kg, crude protein
Content be 16 ~ 16.5%, the content of lysine is 0.8 ~ 0.85%, and the content of methionine is 0.38 ~ 0.42%, and the content of calcium is
3.5%-3.7%, available phosphorus content 0.24%-0.27%;
The laying period feed of 56 ~ 72 week old, wherein meeting following nutritive index:Energy is 2650 ~ 2700 kcal/kg, crude protein
Content be 15.5 ~ 16.0%, the content of lysine is 0.75 ~ 0.80%, and the content of methionine is 0.35 ~ 0.38%, the content of calcium
For 3.7-4.0%, available phosphorus content 0.23-0.26%.
2. the black laying cycle of laying hens feed of new poplar as claimed in claim 1, it is characterized in that,
The laying period feed of 16 ~ 30 week old is made of following raw material:60 parts of corn, 26 parts of 43 dregs of beans, stone flour 8
Part, 5 parts of premix, 1 part of oil;
The laying period feed of 31 ~ 55 week old is made of following raw material:61.5 parts of corn, 25 parts of 43 dregs of beans, stone flour 8
Part, 5 parts of premix, 0.5 part of oil;
The laying period feed of 56 ~ 72 week old is made of following raw material:61.5 parts of corn, 24 parts of 43 dregs of beans, stone flour
8.5 parts, 5 parts of premix, 1 part of oil;
Wherein, the premix is made of following raw material:Calcium monohydrogen phosphate 150-200 parts, stone flour 300-320 parts,
Salt 40-60 parts, sodium sulphate 20-40 parts, glycine betaine 2-6 parts, choline 15-20 parts, 40 parts of composite trace element, compound dimension life
10 parts of element, lysine 10-25 parts, methionine 25-35 parts, tryptophan 2-4 parts, palm kernel meal 150-200 parts, medical stone 90-
150 parts, vitamin C 1-2 parts, probiotics 1-3 parts, xylo-oligosaccharide 1-3 parts, phytase 2-5 parts, complex enzyme formulation 2-5 parts, porphin
Quinoline iron 1-2 parts, motherwort 2-5 parts.
3. the black laying cycle of laying hens feed of new poplar as claimed in claim 1, it is characterized in that,
The laying period feed of 16 ~ 30 week old is made of following raw material:61 parts of corn, 26 parts of 43 dregs of beans, stone flour 8
Part, 4 parts of premix, 1 part of oil;
The laying period feed of 31 ~ 55 week old is made of following raw material:62.5 parts of corn, 25 parts of 43 dregs of beans, stone flour 8
Part, 4 parts of premix, 0.5 part of oil;
The laying period feed of 56 ~ 72 week old is made of following raw material:62.5 parts of corn, 24 parts of 43 dregs of beans, stone flour
8.5 parts, 4 parts of premix, 1 part of oil;
Wherein, the premix is made of following raw material:It is made up of following component by weight:Phosphoric acid hydrogen
Calcium 188-250 parts, stone flour 375-400 parts, salt 50-75 parts, sodium sulphate 25-50 parts, glycine betaine 3-8 parts, choline 19-25
Part, 50 parts of composite trace element, 13 parts of B B-complex, lysine 13-31 parts, methionine 31-44 parts, tryptophan 3-5 parts,
Palm kernel meal 188-250 parts, medical stone 113-188 parts, vitamin C 1.3-3 parts, probiotics 1.3-4 parts, xylo-oligosaccharide 1.3-4
Part, phytase 2.5-6.5 parts, complex enzyme formulation 2.5-6.5 parts, PORPHYRIN IRON 1.3-2.5 parts, motherwort 2.5-6.5 parts.
4. the black laying cycle of laying hens feed of new poplar as claimed in claim 1, it is characterized in that, the laying period feed of 16 ~ 30 week old is
Made of following raw material:61 parts of corn, 27 parts of 43 dregs of beans, 8 parts of stone flour, 3 parts of premix, 1 part of oil;
The laying period feed of 31 ~ 55 week old is made of following raw material:62.5 parts of corn, 26 parts of 43 dregs of beans, stone flour 8
Part, 3 parts of premix, 0.5 part of oil;
The laying period feed of 56 ~ 72 week old is made of following raw material:62.5 parts of corn, 25 parts of 43 dregs of beans, stone flour
8.5 parts, 3 parts of premix, 1 part of oil;
Wherein, the premix is made of following raw material:Calcium monohydrogen phosphate 250-333 parts, stone flour 500-533 parts,
Salt 67-100 parts, sodium sulphate 33-67 parts, glycine betaine 3-10 parts, choline 25-33 parts, 68 parts of composite trace element, compound dimension
Raw 18 parts of element, lysine 17-42 parts, methionine 42-58 parts, tryptophan 3-7 parts, palm kernel meal 250-333 parts, medical stone
150-250 parts, vitamin C 2-3 parts, probiotics 2-5 parts, xylo-oligosaccharide 2-5 parts, phytase 3-8 parts, complex enzyme formulation 3-8
Part, PORPHYRIN IRON 1.7-3.3 parts, motherwort 3-8 parts.
5. the black laying cycle of laying hens feed of new poplar as claimed in claim 1, it is characterized in that,
The laying period feed of 16 ~ 30 week old is made of following raw material:61.5 parts of corn, 27 parts of 43 dregs of beans, stone flour 8
Part, 2.5 parts of premix, 1 part of oil;
The laying period feed of 31 ~ 55 week old is made of following raw material:63 parts of corn, 26 parts of 43 dregs of beans, stone flour 8
Part, 2.5 parts of premix, 0.5 part of oil;
The laying period feed of 56 ~ 72 week old is made of following raw material:63 parts of corn, 25 parts of 43 dregs of beans, stone flour 8.5
Part, 2.5 parts of premix, 1 part of oil;
Wherein, the premix is made of following raw material:Calcium monohydrogen phosphate 300-400 parts, stone flour 600-640 parts,
Salt 80-120 parts, sodium sulphate 40-80 parts, glycine betaine 4-12 parts, choline 30-40 parts, 80 parts of composite trace element, compound dimension
Raw 20 parts of element, lysine 20-50 parts, methionine 50-70 parts, tryptophan 4-8 parts, palm kernel meal 300-400 parts, medical stone
180-300 parts, vitamin C 2-4 parts, probiotics 2-6 parts, xylo-oligosaccharide 2-6 parts, phytase 4-10 parts, complex enzyme formulation 4-
10 parts, PORPHYRIN IRON 2-4 parts, motherwort 4-10 parts.
6. the black laying cycle of laying hens feed of new poplar as claimed in claim 1, it is characterized in that,
The laying period feed of 16 ~ 30 week old is made of following raw material:62 parts of corn, 27 parts of 43 dregs of beans, stone flour 8
Part, 2 parts of premix, 1 part of oil;
The laying period feed of 31 ~ 55 week old is made of following raw material:63.5 parts of corn, 26 parts of 43 dregs of beans, stone flour 8
Part, 2 parts of premix, 0.5 part of oil;
The laying period feed of 56 ~ 72 week old is made of following raw material:63.5 parts of corn, 25 parts of 43 dregs of beans, stone flour
8.5 parts, 2 parts of premix, 1 part of oil;
Wherein, the premix is made of following raw material:Calcium monohydrogen phosphate 375-500 parts, stone flour 750-800 parts,
Salt 100-150 parts, sodium sulphate 50-100 parts, glycine betaine 5-15 parts, choline 37.5-50 parts, 100 parts of composite trace element,
25 parts of B B-complex, lysine 25-62.5 parts, methionine 62.5-87.5 parts, tryptophan 5-10 parts, palm kernel meal 375-
500 parts, medical stone 225-375 parts, vitamin C 2.5-5 parts, probiotics 2.5-7.5 parts, xylo-oligosaccharide 2.5-7.5 parts, phytic acid
Enzyme 5-12 parts, complex enzyme formulation 5-12 parts, PORPHYRIN IRON 2.5-5 parts, motherwort 5-12.5 parts.
7. the black laying cycle of laying hens feed of new poplar as claimed in claim 2, it is characterized in that:Described composite trace element is sulfuric acid
Two or more arbitrary proportions in ferrous iron, copper sulphate, manganese sulfate, zinc sulfate, sodium selenite, calcium iodate, which coordinate, to be formed;
Preferably, each composition of composite trace element is by weight percentage:Cupric sulfate pentahydrate 1.57%, ferrous sulfate monohydrate
15.0%th, manganese sulfate monohydrate 16.1%, monohydrate zinc sulphate 12.86%, sodium selenite 0.08%, calcium iodate 0.083%, remainder are
Carrier, carrier are universal support.
8. the black laying cycle of laying hens feed of new poplar as claimed in claim 2, it is characterized in that:
Described B B-complex is vitamin A, vitamine D3, vitamin E, Vitamin K3, vitamin B1, vitamin B2, dimension
Two or more arbitrary proportions in raw plain B6, vitamin B12, nicotinic acid, pantothenic acid, folic acid, biotin, which coordinate, to be formed;
Preferably, each composition of B B-complex is by weight percentage:Vitamin A accounts for 6.0%, vitamine D3 and accounts for 1.5%, vitamin
E15%, Vitamin K3, which account for 1.5%, vitamin B1 and account for 0.7%, vitamin B2 and account for 1.9%, vitamin B6 and account for 1.2%, vitamin B12, to be accounted for
0.65%th, nicotinic acid, which accounts for 11.3%, pantothenic acid and accounts for 4.1%, folic acid and account for 0.3%, biotin, accounts for 1.25%, and remainder is carrier, and carrier is logical
Use carrier.
9. the black laying cycle of laying hens feed of new poplar as claimed in claim 2, it is characterized in that:Described probiotics is by withered grass gemma
Bacillus, lactic acid bacteria, clostridium butyricum and universal support composition, wherein the viable count of bacillus subtilis is more than 20,000,000,000 cfu/g, breast
Sour bacterium is more than 3,000,000,000 cfu/g, and clostridium butyricum is more than 1,000,000,000 cfu/g.
10. a kind of method for breeding for improving the new black Layer Production Performance of poplar, it is characterized in that, this method is according to following growth phase
Feed different complete feeds:
The laying period feed of 16 ~ 30 week old, wherein meeting following nutritive index:Energy is 2650 ~ 2700 kcal/kg, crude protein
Content be 17%, the content of lysine is 0.85 ~ 0.94%, and the content of methionine is 0.42 ~ 0.45%, and the content of calcium is 3.5%-
3.7%, available phosphorus content 0.28%-0.32%, the feed intake of the new black laying hen of poplar is 65 ~ 85g/ pcs/day;
The laying period feed of 31 ~ 55 week old, wherein meeting following nutritive index:Energy is 2650 ~ 2700 kcal/kg, crude protein
Content be 16 ~ 16.5%, the content of lysine is 0.8 ~ 0.85%, and the content of methionine is 0.38 ~ 0.42%, and the content of calcium is
3.5%-3.7%, available phosphorus content 0.24%-0.27%, the feed intake of the new black laying hen of poplar is 80 ~ 95g/ pcs/day;
The laying period feed of 56 ~ 72 week old, wherein meeting following nutritive index:Energy is 2650 ~ 2700 kcal/kg, crude protein
Content be 15.5 ~ 16.0%, the content of lysine is 0.75 ~ 0.80%, and the content of methionine is 0.35 ~ 0.38%, the content of calcium
For 3.7%-4.0%, available phosphorus content 0.23%-0.26%, the feed intake of the new black laying hen of poplar is 80 ~ 95g/ pcs/day.
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CN108576480A (en) * | 2018-05-25 | 2018-09-28 | 河南牧鹤(集团)饲料有限公司 | A kind of composite premix feed for laying hen |
CN108668997A (en) * | 2018-04-13 | 2018-10-19 | 泰安市欣悦饲料科技有限公司 | A kind of method for breeding improving performance in layers |
CN108902533A (en) * | 2018-08-28 | 2018-11-30 | 河南牧鹤(集团)饲料有限公司 | A kind of laying breed feed and its processing method |
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 |
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 |
CN114376101A (en) * | 2021-12-29 | 2022-04-22 | 河南宏展生物科技有限公司 | Laying period premix based on new black poplar laying hens, compound feed and preparation method of premix |
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CN108668997A (en) * | 2018-04-13 | 2018-10-19 | 泰安市欣悦饲料科技有限公司 | A kind of method for breeding improving performance in layers |
CN108576480A (en) * | 2018-05-25 | 2018-09-28 | 河南牧鹤(集团)饲料有限公司 | A kind of composite premix feed for laying hen |
CN108902533A (en) * | 2018-08-28 | 2018-11-30 | 河南牧鹤(集团)饲料有限公司 | A kind of laying breed feed and its processing method |
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 |
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 |
CN114376101A (en) * | 2021-12-29 | 2022-04-22 | 河南宏展生物科技有限公司 | Laying period premix based on new black poplar laying hens, compound feed and preparation method of premix |
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