CN114982715A - Raising method for improving economic value of breeding hens after being placed in cages - Google Patents
Raising method for improving economic value of breeding hens after being placed in cages Download PDFInfo
- Publication number
- CN114982715A CN114982715A CN202210766231.8A CN202210766231A CN114982715A CN 114982715 A CN114982715 A CN 114982715A CN 202210766231 A CN202210766231 A CN 202210766231A CN 114982715 A CN114982715 A CN 114982715A
- Authority
- CN
- China
- Prior art keywords
- breeding
- feeding
- economic value
- chickens
- improving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K67/00—Rearing or breeding animals, not otherwise provided for; New breeds of animals
- A01K67/02—Breeding vertebrates
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/30—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/30—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
- A23K10/37—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms from waste material
-
- 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
- A23K20/105—Aliphatic or alicyclic compounds
-
- 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
- A23K20/20—Inorganic substances, e.g. oligoelements
-
- 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
- A23K20/26—Compounds containing phosphorus
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/87—Re-use of by-products of food processing for fodder production
Abstract
The invention discloses a feeding method for improving economic value of breeding hens after being placed in cages, and belongs to the technical field of poultry production. The method comprises breeding varieties, daily feed management, breeding density, breeding platform setting, daily breeding management and weight monitoring control, wherein broiler breeders to be eliminated in 50 weeks are raised flatly, a three-dimensional space motion platform is formed in a henhouse, the motion range and the motion frequency of chickens are expanded, and further development and recombination of muscles of the chickens are stimulated; meanwhile, by combining the measures of adjusting intermittent illumination, supplementary feeding and weight monitoring, the intestinal function of the chicken flocks is improved, and the immunity and the anti-stress capability of the chicken flocks are enhanced. The method disclosed by the invention mainly analyzes and solves the problems existing in the key breeding link when the broiler breeder in cage is near to be eliminated, delays and improves the serious reduction of economic value caused by the linear decline of the properties of meat, egg quality and the like and the great reduction of the properties such as external sensory evaluation and the like after the broiler breeder is placed in the cage at present, effectively improves the utilization rate of the breeding space, and ensures the comprehensive economic benefit of breeding.
Description
Technical Field
The invention belongs to the technical field of poultry production, and particularly relates to a feeding method for improving the economic value of breeding hens after being placed in cages.
Background
The broiler chicken is used as an important strategic resource of national agriculture germplasm and is a great office for concern and species industry. The excellent improved variety of the broilers is the beginning of turning over in the breeding industry, the internal and external environments of the broilers in the fourteen-five period are more complex, the difficulty of increasing yield and expanding energy by depending on domestic resources is increased day by day, the uncertainty of adjusting domestic deficiencies by depending on imports is increased, and therefore, the rapid large-scale seed production process is advanced in the breeding of the broilers. However, a series of subsequent matching modes and implementation schemes for production, elimination and sale of broiler breeders after large-scale breeding are not sound, at present, broiler breeders are generally in a cage culture mode, the breeding period is more than half a year when elimination is approached, the linear decline of the meat quality, the egg laying and other performances and the external sensory evaluation and other properties after physiological function aging are greatly reduced, the economic value of the broiler breeders is directly treated at low price and greatly, and the industrial loss is immeasurable. Therefore, how to scientifically and reasonably eliminate broiler breeders and maximally delay and improve the overall economic value of broiler breeders deserves deep research.
Disclosure of Invention
Aiming at the existing problems, the invention provides a feeding method for improving the economic value of the breeding hens after being placed in cages, which is characterized in that a roost is added in a chicken house, a sand bath is additionally arranged to form a three-dimensional space motion platform, the motion range and the motion frequency of the chickens are enlarged, and the further development and recombination of muscles of the chickens are stimulated, so that the meat quality is more compact and elastic; meanwhile, by combining the measures of adjusting intermittent illumination, supplementary feeding and weight monitoring, the intestinal function of the chicken flocks is improved, the immunity and anti-stress capability of the chicken flocks are enhanced, and the comprehensive breeding benefit is further improved.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a breeding method for improving economic value of breeding hens after being placed in cages comprises the following steps:
breeding a variety: selecting a high-quality broiler breeder L line to be eliminated in 50 weeks, and adopting a flat culture mode;
daily feed management: the feed comprises the following components in percentage by mass: 64.75 percent of corn, 24.30 percent of soybean meal, 0.08 percent of DL-methionine, 0.07 percent of L-lysine hydrochloride, 9.10 percent of stone powder, 1.00 percent of calcium hydrophosphate, 0.38 percent of salt, 0.22 percent of premix and 0.10 percent of choline chloride;
feeding density: 10m 2 In the concrete floor flat-breeding chicken house, 30 chickens are bred, and the breeding density is 3 chickens per square meter;
daily feeding management: ensuring that a lighting opening of the henhouse reaches 80% of direct sunlight, adjusting and keeping the relative humidity in the henhouse to be 50% -70%, and keeping the henhouse clean and dry; temporarily removing part or all of the shades of the air inlets and the air outlets in the afternoon to increase the ventilation volume and the wind speed in the house; the relaxing music of 1 hour is played in a house at 9-12 o' clock every morning, and the playing volume is controlled at 25-30 decibels;
monitoring and controlling the weight: measuring 10% -15% of chicken number per week, and properly increasing feeding amount when the measured weight is lower than the standard weight, otherwise, properly decreasing feeding amount; controlling the growth speed of the chickens;
the feeding platform is arranged: after the henhouse is comprehensively cleaned and disinfected in a concrete floor flat-breeding henhouse, thick padding is uniformly paved on the ground; placing 8 cartons with grass added inside as egg collecting nests, averagely placing the cartons at 4 corners of a compartment, and placing 2 cartons side by side at each corner; a roost with a layered symmetrical trapezoid airing rod structure suitable for lateral grasping and longitudinal walking of chickens is built in the henhouse; meanwhile, a sand pit is built in the center of the thick bedding in the henhouse, so that the chickens are sanded in the sand pit.
Further, the feeding method further comprises the step of adopting intermittent illumination, wherein the intermittent illumination control method comprises the steps of executing a 7L:5D illumination duration mode at a speed of 0:00-12:00, executing a 7L:5D illumination duration mode at a speed of 12:00-24:00 and controlling the illumination intensity to be 30 Lx.
Furthermore, the feeding method also comprises the steps of selecting green feed for supplementary feeding, cleaning, cutting and mixing the green feed, and carrying out unlimited small-amount multiple feeding according to actual feeding conditions every day so as to always ensure the freshness and the sufficient quantity of the green feed. The aim of improving the egg quality and the meat quality is fulfilled by additionally feeding the green feed on the basis of not influencing the feed conversion rate through improving the intestinal function and increasing the feed intake; meanwhile, the chicken can be promoted to stand up for food intake activities by a supplementary feeding means of feeding a plurality of meals less, and the time of laying the chicken in the ground after the chicken is only put in a cage is reduced.
Further, the green feed is natural green vegetable leaves, ryegrass, chicory and carrots.
Further, it is desirable that each chicken gain or lose weight per 1 gram, and on average, a single chicken increases or decreases the feed by 4 grams, while increasing or decreasing the daily supplementary feed supply.
Further, 8000IU of vitamin a per kg of said premix is provided; vitamin D 3 1000 IU; vitamin E20 IU; vitamin K 3 0.50 mg; vitamin B 1 2.00 mg; vitamin B 2 8.00 mg; vitamin B 6 3.50 mg; vitamin B 12 10.00 mu g; 35.00mg of nicotinic acid; 10.00mg of calcium pantothenate; folic acid 0.55 mg; biotin 0.18 mg; 80.00mg of iron; 8.00mg of copper; 100.00mg of manganese; 80.00mg of zinc; 0.70mg of iodine; cesium 0.30 mg.
Further, the thick padding is fresh sawdust which has strong water absorption and is used for removing wood thorns and impurities, and the thickness of the padding is kept to be not less than 8 cm.
Furthermore, the sun-drying rod of the perch frame is made of solid wood with wide and thick surface.
Furthermore, the length, the width and the height of the egg laying nest are 40cm multiplied by 30cm multiplied by 25 cm.
The technical scheme of the invention can produce the following technical effects:
on the premise of not increasing the feeding area, the invention forms a three-dimensional space motion platform by adding the perch and sand bath, expands the motion range and the motion frequency of the chickens, reasonably utilizes land resources to the maximum extent, improves the comprehensive breeding efficiency in unit area, and effectively improves the intestinal functions of chicken flocks, enhances the immunity and anti-stress capability of the chicken flocks and further improves the comprehensive breeding benefit by combining the measures of adjusting intermittent illumination, supplementary feeding, weight monitoring and the like; the comparison experiment result shows that the running range of the chickens in the test group with the same feeding density but larger activity space is enlarged, and the chickens can stimulate the further development and recombination of muscles, so that the meat quality becomes more compact and elastic, the system water power is obviously improved, the effect of improving the meat quality is achieved, and the indexes of feather appearance score, slaughtering performance, egg quality and the like are effectively improved; the improvement of the amount of exercise and the adoption of the supplementary feeding means also greatly promote the strengthening of chicken bones, reduce the fat deposition in vivo, obviously strengthen the eggshell strength, improve the total oxidation resistance by 30 percent, effectively improve the health and welfare level of the broiler breeder to resist diseases, reduce the dosage, further prolong the breeding period of the broiler breeder, delay and improve the serious reduction of the economic value caused by the linear decline of the meat quality, the egg laying and other properties and the great reduction of the external sensory evaluation and other shapes after the broiler breeder is put into a cage in the prior art, and finally ensure the comprehensive economic benefit of the breeding.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments.
Examples
1. Experimental design and feeding management
Selecting a high-quality broiler breeder L line to be eliminated in 50 weeks provided by poultry scientific research in Jiangsu province; the strain group has the advantages of high uniformity, compact body, excellent feed reward and beautiful carcass.
315L-line hens with close egg laying and body weight are selected, after the hens are placed in cages, the hens are randomly divided into four groups in the experiment, and three groups of flat-breeding groups I, II and III and one group of cage-breeding groups with different breeding modes are designed. The feeding mode of three groups of flat-breeding chickens is carried out according to the mode of flat-breeding in a house, the cage-breeding groups are carried out according to the mode of cage-breeding, and all groups of chickens uniformly execute the nutrition requirement and the general immune program of high-quality broiler breeders under the same feeding condition, and freely feed and drink water in the whole period. I. II and III of the flat-breeding group chickens are raised in nine times of 10m in Shaobei base test poultry farm of poultry scientific research institute in Jiangsu province 2 In the concrete floor flat-breeding chicken house, the chicken house ensures that a lighting port reaches 80% of direct sunlight, the relative humidity in the chicken house is adjusted to be kept between 50% and 70%, in order to control the breeding environment and increase the ventilation and wind speed in the chicken house, partial or all of light shields in air inlets and air outlets are temporarily removed in the afternoon, and after the chicken house is comprehensively cleaned and disinfected, the ground is uniformly paved with fresh sawdust which is 8cm thick, has strong water absorption and is used for removing wood thorns and impurities. Each repeating compartment houses 8 cartons of length, width and height 40cmX30cmX25cm with grass added inside as egg crates, placed on average in 4 corners of the compartment, each corner being placed 2 side by side. The flat-breeding group I comprises 90 chickens, which are bred in 3 compartments, 30 chickens are bred in each compartment, and the breeding density is 3 chickens/m 2 (ii) a The flat-rearing group II comprises 45 chickens, which are reared in 3 compartments, each 15 chickens are raised at a rearing density of 1.5 chickens/m 2 (ii) a The flat-rearing group III of 90 chickens is divided into 3 compartments for raising, and each compartment contains 30 chickens, and the raising density is 3 chickens/m 2 According to the physiological and behavioral characteristics of broiler breeders such as hobby, pecking, alarming and the like, the group builds a laminated symmetrical ladder-shaped perch rod structure suitable for transverse grasping and longitudinal walking of chickens, and the perch rod is made of solid wood with wide and thick material surface and is convenient for the chickens to grasp and walk. Meanwhile, the flat-rearing group III establishes a sand pit in the center of sawdust of the henhouse in each compartment according to the sand bath habit of the chicken flocks, so that the chickens can sand-bathe in the sand pit, and a rearing platform is formed by combining the perching frame and the sand bath, so that the movement range and the movement frequency of the chickens are enlarged. The cage-rearing group is used for rearing 90 chickens in cages in a house, rearing is carried out in a single cage, and the rearing is divided into 3 groups for repetition, and each group repeats 30 chickens.
The flat culture group I, II and the cage culture group adopt continuous illumination, a 14L:10D illumination time length mode is executed at 0:00-24:00, and the illumination intensity is 30 Lx; the feeding group III adopts intermittent illumination, a 7L:5D illumination duration mode is executed at 0:00-12:00, a 7L:5D illumination duration mode is executed at 12:00-24:00, and the illumination intensity is 30 Lx; in addition, natural green vegetable leaves, ryegrass, chicory and carrots are independently selected for the flat-culture group III to be fed additionally, the natural green vegetable leaves, the ryegrass, the chicory and the carrots are cleaned, cut into pieces and mixed, unlimited supply (a small amount of times) is carried out according to actual feeding conditions every day, and the freshness and the sufficient amount of green feed are always ensured. Meanwhile, separately measuring 10-15% of the number of the chickens in the flat-feeding group III every week, and properly increasing the feeding amount when the measured weight is lower than the standard weight, otherwise, properly reducing the feeding amount to control the growth speed of the chickens in the group; the other groups adopt fixed feeding amount, so that the weight of the chicken is naturally increased. When each chicken is required to gain weight or lose weight every 1 g, the average single chicken increases or decreases the feeding amount by 4 g and increases or decreases the daily supplementary feeding supply amount. In addition, the flat feeding group III plays relaxing music for 1 hour in the house at 9-10 am during the feeding period after the flat feeding group is taken out of the cage independently, and the playing volume is controlled to be 25-30 decibels.
2. Measurement index and method
300 eggs are selected from each group at 55 and 60 weeks of age respectively, and the indexes such as eggshell strength, eggshell thickness, egg white weight, yolk weight, eggshell weight, egg white height, Hough unit and the like are measured.
30 feather condition determination is respectively carried out on each test treatment group randomly selected at 55 and 60 weeks of age, 10 feather condition determination is carried out on each test treatment group, four parts of cervical feather, abdominal feather, back feather and tail feather are selected for scoring, and scoring is carried out by a professional in the whole scoring process according to the table 1 strictly so as to reduce the experimental error of feather scoring.
The chicken to be tested is firstly subjected to the venous blood sampling of 5mL under the chicken wings, placed in a blood coagulation vessel, centrifuged at 3000/min and 4 ℃ for 10min, and serum is separated. And (3) measuring serum biochemical indexes: blood glucose, total cholesterol, triglycerides, high density lipoproteins, low density lipoproteins; serum antioxidant index: superoxide dismutase, glutathione peroxidase, total antioxidant capacity, catalase activity and the content of lipid peroxidation product malondialdehyde. Then slaughtering measurement is carried out, and the left breast muscle samples of all groups of chickens are selected to carry out measurement on meat quality indexes such as PH, flesh color, tenderness, water tying capacity and the like. The determination method of each index is carried out according to the technical manual of livestock and poultry genetic resource survey and the nomenclature and measurement statistical method of poultry production performance (NY-T823-2004).
Weighing whole chicken at 55 and 60 weeks of age, randomly selecting 30 chickens from each test treatment group, collecting blood by means of infrawing vein for 5mL, placing in blood coagulation vessel, centrifuging at 3000/min at 4 deg.C for 10min, and separating serum. Then slaughtering, collecting duodenum, jejunum and middle section of ileum 4cm respectively, fixing shape with 4% paraformaldehyde universal tissue fixing solution, sending to Beijing Soilebao company to make paraffin section, and observing shape structure of intestinal tract sample under microscope. 6 typical visual fields were selected for image acquisition and analysis, and the Villus Height (VH), intestinal wall thickness (intestinal wall thickness) and mucosal Crypt Depth (CD) of the intestinal tract were measured using image slice analysis software SlideViewer 2.5, and the villus height/crypt depth (VH/CD) was calculated.
The test period is 10 weeks, and the number of exercise steps per day of each group of chickens is collected after the experiment is finished. Each chicken wears a foot ring with a step counting system (Ainong cloud brand AIOT intelligent chicken foot ring pedometer, goods number: A-C301), and the moving step number of each chicken in the test period in each day can be accurately recorded through a background step counting management system.
TABLE 1 reference table for scoring each feather part of chicken appearance
The body weight and egg laying performance of each treatment group of chickens prior to the test were: as can be seen from Table 2, the differences among the indexes related to the weight and egg laying performance of the chickens in each group before the test are not significant (P is greater than 0.05), the test bases of the groups are consistent, and the statistical standard can be used as a test statistical standard for measuring the exercise amount and the feather appearance of the broiler breeder after the broiler breeder is placed in a cage in the later period.
TABLE 2 analysis and comparison of body weight and egg laying performance of chickens in each group before cage-leaving
3. Performance comparison
3.1 Effect of different raising modes after cage raising and cage lowering on amount of exercise
As can be seen from Table 3, the difference in the number of steps taken in exercise was significant between the treatment groups for different feeding treatments (P < 0.05). Wherein, under different feeding modes, the number of the movement steps of the flat-breeding group is obviously higher than that of the cage-breeding group (P is less than 0.05); the group II is significantly higher than the group I (P <0.05) in the case of different rearing densities, and the group III is significantly higher than the group I (P <0.05) in the case of different activity spaces.
TABLE 3 number of moving steps between groups in different feeding modes
3.2 Effect of different feeding modes after cage-leaving on feather appearance
As can be seen from Table 4, the total score of group I in the flat-feeding mode was higher than that of the cage-feeding group (P <0.05), and the values of group I, group III and group II were significantly increased in sequence (P < 0.05). The whole function of the chicken flock of the rejected breeding hens in the later period of 60 weeks is gradually aged, the total score is higher than that of the breeding hens in the age of 55 weeks on the aspect of appearance characteristics, and the increase of the breeding groups I, II and III is obviously slowed down although the breeding groups I, II and III are improved in different degrees.
TABLE 4 evaluation results of each part of the appearance of each group of chickens in different feeding modes
3.3 influence of different feeding modes on slaughtering performance after leaving cages
As can be seen from table 5, compared to the cage group, the breast muscle rate and the leg muscle rate were significantly increased in the flat group (P <0.05), while the abdominal fat rate was significantly decreased (P < 0.05); in the flat culture mode, the abdominal fat rate of the group II and the group III is obviously lower than that of the group I (P <0.05), which shows that the muscle relative amount of the pectoral muscles and the leg muscles is improved to a certain extent along with the increase of the exercise amount of the culled breeding hens under the flat culture condition, and the abdominal fat is consumed to a certain extent and is relatively reduced, compared with the cage culture.
TABLE 5 influence of different feeding modes on slaughtering performance of high-quality broiler chickens
3.4 Effect of different feeding modes after putting into cages on meat quality
As can be seen from Table 6, the hydraulic power of the pectoral muscle system in the intensive culture group was significantly larger than that in the cage culture group (P)<0.05)，L * The value and the shearing force are obviously opposite (P)<0.05)；a * Value b and * all values were improved to different degrees, but the differences were not significant (P)>0.05); wherein the hydraulic power of group I is significantly lower than that of groups II and III (P) under the condition of flat culture<0.05), no significant difference between group II and group III (P)>0.05). The results show that the eliminated breeding hens have increased running distance, expanded running range and further muscle development stimulation under the condition of flat culture compared with cage culture, so that the meat quality becomes more compact and elastic, the shearing force on the meat quality index is increased, and the water content is enhanced.
TABLE 6 influence of different feeding modes on quality index of high-quality broiler chicken
3.5 Effect of different feeding modes after putting into cages on blood biochemistry and oxidation resistance indexes
As can be seen from table 7, the glucose concentration in the caged group was significantly higher than that in the fasted group (P <0.05), and the concentration in the fasted group II was significantly lower than that in the groups I and III (P < 0.05). The high density lipoprotein in the flat culture group is obviously higher than that in the cage culture group (P <0.05), and the low density lipoprotein is opposite (P < 0.05); the contents of T-AOC, GSH-Px, CAT and SOD in the flat-culture group I, II and the III group are obviously higher than those in the control group and the cage-culture group (P is less than 0.05), which indicates that the total antioxidant capacity of the breeding hens is improved by the flat-culture feeding mode. The T-AOC content of the group II is obviously higher than that of the group I and the group III (P is less than 0.05), which shows that the improvement of the feeding density and the activity space of the flat-breeding compared with the cage-breeding improves the total antioxidant capacity of the breeding hens, so that the capacities of decomposing hydrogen peroxide and removing free radicals of the flat-breeding component become stronger, and the peroxidation degree of lipid in vivo is reduced.
TABLE 7 influence of different feeding methods on blood biochemical and antioxidant index of broiler breeder
3.6 influence of different feeding modes after leaving cages on egg quality index
The influence of the broiler breeder on the quality of eggs after being placed in a cage is mainly reflected in the strength of eggshells and the weight of egg yolks. As can be seen from Table 8, the eggshell strength and the yolk weight of the group in the flat culture period are significantly higher than those of the group in the cage culture period, the eggshell strength of the group I and the eggshell weight of the group III are significantly lower than those of the group II (P <0.05), the eggshell strength of the group I and the group III are not significantly different (P >0.05) when the group I is 55 weeks old in the period before egg laying, and the eggshell strength of the group III is significantly higher than that of the group I (P <0.05) when the group III is 60 weeks old in the later period of egg laying.
TABLE 8 influence of different feeding methods on the quality index of high-quality meat eggs
3.7 Effect of different feeding modes after putting into cages on the morphological indexes of intestinal tissues
As can be seen from table 9, at the age of 60 weeks, the flat-fed group I significantly increased the villus height of duodenum, jejunum and ileum and decreased crypt depth (P <0.05) compared to the cage-fed group; in different modes of horizontal rearing after cage laying, the villus height of duodenum, jejunum and ileum of horizontal rearing group III is obviously higher than that of group I at the age of 60 weeks, and the crypt depth is obviously opposite (P < 0.05). The results show that the daily feed intake of the chickens is increased by increasing the activity space and adopting the green feed for supplementary feeding, the intestinal flora is stimulated to play a role in improving the intestinal tissue morphology, the small intestinal mucosa function is improved, and the digestion and absorption capacity of the chickens is improved.
TABLE 9 Effect of different feeding methods on the morphological index of intestinal tract tissue
In conclusion, on the premise that the feeding area is not increased, the three-dimensional space motion platform is formed by adding the roost in the flat-breeding group III and additionally arranging the sand bath, the motion range and the motion frequency of the chickens are expanded, the comprehensive breeding efficiency in unit area is effectively improved by combining the measures of adjusting intermittent illumination, supplementary feeding, weight monitoring and the like, the effect of eliminating intestinal functions and meat quality of the chickens is achieved, and the indexes such as appearance feather score, slaughtering performance, egg quality and the like are effectively improved; the exercise amount is improved and the supplementary feeding means is adopted, so that the intestinal function of chicken flocks is greatly improved, the enhancement of chicken skeletons is promoted, the fat deposition in vivo is reduced, the eggshell strength is increased, the oxidation resistance and the stress resistance are obviously enhanced, the health and the welfare level of broiler breeders are effectively improved to resist diseases, the breeding period of broiler breeders is further prolonged, and the comprehensive economic benefit of breeding is effectively improved.
The above description is only a preferred embodiment of the present invention and does not limit the present invention in any way. It will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A feeding method for improving economic value of breeding hens after the breeding hens are placed in cages is characterized by comprising the following steps:
breeding a variety: selecting a high-quality broiler breeder L line to be eliminated in 50 weeks, and adopting a flat culture mode;
daily feed management: the feed comprises the following components in percentage by mass: 64.75 percent of corn, 24.30 percent of bean pulp,DL0.08 percent of methionine,LLysine hydrochloride 0.07%, stone powder 9.10%, calcium dihydrogen phosphate 1.00%, salt 0.38%, premix 0.22%, choline chloride 0.10%;
feeding density: 10m 2 30 chickens are bred in the concrete floor flat breeding henhouse, and the breeding density is 3 chickens/m 2 ；
The feeding platform is arranged: after the henhouse is comprehensively cleaned and disinfected in a concrete floor flat-breeding henhouse, thick padding is uniformly paved on the ground; placing 8 cartons with grass added inside as egg collecting nests, averagely placing the cartons at 4 corners of a compartment, and placing 2 cartons side by side at each corner; a roost with a layered symmetrical trapezoid airing rod structure suitable for lateral grasping and longitudinal walking of chickens is built in the henhouse; meanwhile, a sand pit is established in the center of the thick padding in the henhouse, so that the chickens can be subjected to sand bath in the sand pit;
daily feeding management: ensuring that a lighting opening of the henhouse reaches 80% of direct sunlight, adjusting and keeping the relative humidity in the henhouse to be 50% -70%, and keeping the henhouse clean and dry; temporarily removing part or all of the light shields of the air inlets and the air outlets in the afternoon period to increase the ventilation volume and the wind speed in the house; playing 1 hour of soothing music in a house at 9-12 am every day in a centralized way, and controlling the playing volume to be 25-30 decibels;
monitoring and controlling the weight: measuring 10% -15% of chicken number per week, and properly increasing feeding amount when the measured weight is lower than the standard weight, otherwise, properly decreasing feeding amount; the growth rate of the chicken is controlled.
2. A feeding method for improving the economic value of breeding hens after caging according to claim 1, wherein the feeding method further comprises the step of adopting intermittent illumination, and the intermittent illumination control method comprises the steps of executing a 7L:5D illumination duration mode from 0:00 to 12:00, executing a 7L:5D illumination duration mode from 12:00 to 24:00 and controlling the illumination intensity to be 30 Lx.
3. The raising method for improving the economic value of the breeding hens after being placed in the cages as claimed in claim 1 or 2, wherein the raising method further comprises the steps of selecting the green feed for supplementary feeding, washing, chopping, mixing, and feeding the green feed in an unlimited small amount for a plurality of times every day according to actual feeding conditions, so that the freshness and the sufficient amount of the green feed are always ensured.
4. The raising method for improving the economic value of the breeding hens after being placed in the cages as claimed in claim 3, wherein the green feed is selected from natural green vegetable leaves, ryegrass, chicory and carrot.
5. The raising method for improving the economic value of the hens after being reared, according to claim 4, wherein the weight of each hen is increased or reduced by 1 g, the feeding amount of 4 g is increased or reduced on average for each hen, and the daily supplementary feeding amount is increased or reduced.
6. The raising method for improving the economic value of the breeding hens after the coop leaving is characterized in that 8000IU of vitamin A is provided per kilogram of the premix; vitamin D 3 1000 IU; vitamin E20 IU; vitamin K 3 0.50 mg; vitamin B 1 2.00 mg; vitamin B 2 8.00 mg; vitamin B 6 3.50 mg; vitamin B 12 10.00 microgram; 35.00mg of nicotinic acid; 10.00mg of calcium pantothenate; folic acid 0.55 mg; biotin 0.18 mg; 80.00mg of iron; copper 8.00mg; 100.00mg of manganese; 80.00mg of zinc; 0.70mg of iodine; cesium 0.30 mg.
7. A feeding method for improving the economic value of breeding hens which are placed in cages according to claim 1, wherein the thick padding is fresh sawdust which is high in water absorption and is used for removing wood thorns and impurities, and the thickness of the padding is kept to be not less than 8 cm.
8. A feeding method for improving the economic value of the breeding hens which are reared in the cages as claimed in claim 1, wherein the sun-drying rods of the perch are made of solid wood with wide and thick material surface.
9. The raising method for improving the economic value of the breeding hens which are placed in the cages as claimed in claim 1, wherein the length, width and height of the egg laying nest are 40cm x30cm x25 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210766231.8A CN114982715B (en) | 2022-06-30 | 2022-06-30 | Raising method for improving economic value of breeding hens after being placed in cages |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210766231.8A CN114982715B (en) | 2022-06-30 | 2022-06-30 | Raising method for improving economic value of breeding hens after being placed in cages |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114982715A true CN114982715A (en) | 2022-09-02 |
| CN114982715B CN114982715B (en) | 2023-04-14 |
Family
ID=83019016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210766231.8A Active CN114982715B (en) | 2022-06-30 | 2022-06-30 | Raising method for improving economic value of breeding hens after being placed in cages |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114982715B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105409876A (en) * | 2015-11-24 | 2016-03-23 | 杨发顺 | Breeding method for rejected laying hens |
| CN106719370A (en) * | 2016-11-30 | 2017-05-31 | 贵州柳江畜禽有限公司 | A kind of breeding layer chicken method of production safety Quality eggs |
| CN108207790A (en) * | 2017-12-30 | 2018-06-29 | 江苏省家禽科学研究所 | A kind of method for improving Breeding hens egg laying performance |
| CN109169515A (en) * | 2018-10-30 | 2019-01-11 | 竹山县溢水镇佳鑫牧业有限公司 | The meat of rejected layer and agreeable to the taste sexology modification method |
| CN113100168A (en) * | 2021-04-15 | 2021-07-13 | 南京市畜牧家禽科学研究所(南京市畜牧技术推广站) | Method for improving meat quality of cage-cultured rejected laying ducks |
| CN113142131A (en) * | 2021-04-29 | 2021-07-23 | 北京市华都峪口禽业有限责任公司 | Method for improving uniformity of breeding period of cage-cultured broiler breeder |
-
2022
- 2022-06-30 CN CN202210766231.8A patent/CN114982715B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105409876A (en) * | 2015-11-24 | 2016-03-23 | 杨发顺 | Breeding method for rejected laying hens |
| CN106719370A (en) * | 2016-11-30 | 2017-05-31 | 贵州柳江畜禽有限公司 | A kind of breeding layer chicken method of production safety Quality eggs |
| CN108207790A (en) * | 2017-12-30 | 2018-06-29 | 江苏省家禽科学研究所 | A kind of method for improving Breeding hens egg laying performance |
| CN109169515A (en) * | 2018-10-30 | 2019-01-11 | 竹山县溢水镇佳鑫牧业有限公司 | The meat of rejected layer and agreeable to the taste sexology modification method |
| CN113100168A (en) * | 2021-04-15 | 2021-07-13 | 南京市畜牧家禽科学研究所(南京市畜牧技术推广站) | Method for improving meat quality of cage-cultured rejected laying ducks |
| CN113142131A (en) * | 2021-04-29 | 2021-07-23 | 北京市华都峪口禽业有限责任公司 | Method for improving uniformity of breeding period of cage-cultured broiler breeder |
Non-Patent Citations (3)
| Title |
|---|
| 任鹏等: "饲养方式对淘汰蛋鸡生产性能及蛋肉品质的影响研究", 《中国家禽》 * |
| 杨柳等: "蛋鸡栖架立体散养系统研究的发展趋势与问题", 《中国畜牧杂志》 * |
| 石海鹏等: "栖架散养系统对产蛋后期鸡蛋品质、血清生化指标、屠宰性能、骨骼健康的影响", 《中国家禽》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114982715B (en) | 2023-04-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Nielsen et al. | Feed and strain effects on the use of outdoor areas by broilers | |
| CN101971789A (en) | Cultivation method capable of improving flavor and quality of chicken meat | |
| Balog et al. | Effect of intermittent activity on broiler production parameters | |
| CN104996361B (en) | The rearing method of African Ostrich | |
| Yakubu et al. | Effects of feed restriction on performance, carcass yield, relative organ weights and some linear body measurements of weaner rabbits | |
| Gunawan et al. | Effect of supplement maggot black soldier fly live on the percentage of carcass and weight of carcass of male Alabio ducks | |
| Şimşek et al. | Effects of cage and floor housing systems on fattening performance, oxidative stress and carcass defects in broiler chicken | |
| Lu et al. | Evaluation of egg-laying performance, egg quality traits, and nutritional values of eggs of Leizhou Black Duck. | |
| Șİmșek et al. | Effects of cage and floor housing systems on fattening performance, oxidative stress and carcass defects in broiler chicken. | |
| CN114982715B (en) | Raising method for improving economic value of breeding hens after being placed in cages | |
| Gutowska et al. | Studies in Mineral Nutrition of Laying Hens.: I The Manganese Requirement | |
| BATKOWSKA et al. | Quantity and quality of poultry products depending on birds’ rearing system | |
| Grela et al. | Influence of partial replacement of some inorganic minerals with glycine complex and vitamin D source on performance, slaughter traits, sensory and physico-chemical characteristics of pheasant muscles (L.) depending on gender | |
| CN113100168B (en) | Method for improving meat quality of cage-raised obsolete laying ducks | |
| Talalay et al. | Influence of Feeding with Hydroponic Green Fodder from Barley on Meat Quality of Chicken-Broilers | |
| Elabd | The effects of early post-hatch nutrition on broiler performance | |
| Japhet et al. | Effect of Vernonia amygdalina leaf extract on growth performance, carcass characteristics of pullet and broiler birds | |
| Farrell | Management, nutrition and products of domestic geese: a review. | |
| CN111887201A (en) | Method for measuring production performance of meat pigeons and application thereof | |
| CN104814331A (en) | Feed for improving laying rate of broilers in late period of laying | |
| Shanti et al. | Performance and some blood constituents of broilers fed sesame meal supplemented with microbial phytase | |
| Champati et al. | Carcass traits and meat composition of Hansli× CSML bird under intensive and semi-intensive rearing systems | |
| Kotsyubenko et al. | Comparative analysis of rabbit meat quality when using modular raising technologies and eco-farm | |
| Shittu et al. | Gut Histomorphometric And Blood Profile Of Broiler Chicks Fed Varied Levels Of Protein | |
| Debnath | Duck Production and Management |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |