CN112042593A - Breeding method for early weaning of milk sheep lambs - Google Patents

Breeding method for early weaning of milk sheep lambs Download PDF

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CN112042593A
CN112042593A CN202010708969.XA CN202010708969A CN112042593A CN 112042593 A CN112042593 A CN 112042593A CN 202010708969 A CN202010708969 A CN 202010708969A CN 112042593 A CN112042593 A CN 112042593A
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feeding
milk
lambs
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days
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张立
苏小虎
郑重
马莹
李光鹏
乌日汉
张晓然
窦英洁
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Inner Mongolia University
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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    • 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
    • A23K10/20—Animal feeding-stuffs from material of animal origin
    • 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
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    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
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    • A23K10/30—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
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    • 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
    • A23K20/158—Fatty acids; Fats; Products containing oils or fats
    • 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
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    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
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    • A23K20/00—Accessory food factors for animal feeding-stuffs
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    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
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    • A23K20/22—Compounds of alkali metals
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
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    • 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
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    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K50/00—Feeding-stuffs specially adapted for particular animals
    • A23K50/10—Feeding-stuffs specially adapted for particular animals for ruminants
    • 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
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Abstract

The invention belongs to the technical field of livestock breeding, and particularly relates to a method for feeding early weaning of milk sheep lambs. The method adopts a staged method, and the lambs are gradually and progressively fed by the goat milk, the milk replacers, the concentrated feed and the like, so that the lambs can adapt to the weaning stage quickly, the stress response of the lambs in the weaning process can be reduced, the situation that the lambs are sick is avoided, the lambs can grow normally and produce healthily after weaning, the operation is simple, the labor input is reduced, the cost is reduced, and the method is suitable for large-scale breeding of the milk sheep lambs.

Description

Breeding method for early weaning of milk sheep lambs
Technical Field
The invention belongs to the technical field of livestock and poultry breeding. More particularly, relates to a feeding method for early weaning of milk sheep lambs.
Background
The dairy sheep variety is a cold-wearing hybrid F1, the male parent is a weary sheep, and the dairy sheep variety is a novel dairy sheep variety formed by breeding new zealand for more than 20 years by taking a local copohuze sheep as a female parent and a Dongfrui sheep as a male parent; the female parent is small tailed Han sheep in inner Mongolia. After the male parent of the lamb is introduced into an inner Mongolia region, the lamb is easy to attack due to low temperature in winter, dry weather and the like, the problems of pneumonia, arthritis and the like basically exist, and the lamb is difficult to live over 4 years under the condition of barn feeding. After the male parent Torren sheep and the female parent small-tailed Han sheep are hybridized and bred, the milk sheep which inherits the high-yield performance of the Torren sheep and has the characteristic of strong adaptability of the small-tailed Han sheep is obtained.
Weaning in the breeding process is a key stage of lamb growth, early weaning of the lamb can save fresh milk and improve the production value of the lactating lamb, can reduce the culture cost of the lamb, does not influence the later growth and development of the lamb, and has the advantages of reducing the production cost and improving the economic benefit. However, in the weaning stage of the lambs, the mother milk is replaced by the plant feed and the lambs are separated from the mother sheep, so that the lambs generate great stress response, the adverse effects on the growth and the health of the lambs in the later stage are easily caused, the problems of weight reduction, morbidity increase, mortality increase and the like occur 1-3 days after weaning, and long-term effects also exist. In addition, in the actual breeding process, the adaptability of the milk sheep lambs is poor, the early weaning stress response is more serious compared with the lambs of the traditional variety, for example, the traditional lamb 3-4 month-old weaning method is adopted, the problems of prolonging the breeding cycle of the ewe, prolonging the nursing period, high culture cost and the like exist, and the defects that the later fattening is influenced by the growth retardation of the rumen and the digestive tract of the lambs also exist. The Chinese patent application CN106332837A discloses a method for feeding Hu sheep lambs for quick weaning, which comprises a plurality of stages, wherein the Hu sheep lambs are respectively fed with breast milk, corn steep liquor (containing deep red spirulina), kelp steep liquor (nattokinase), grass steep liquor (containing glucosamine) and the like, the cost is high, a large amount of labor force is required to be consumed, the Hu sheep lambs are not suitable for actual large-scale livestock and poultry breeding, and the milk sheep are new varieties, the adaptability of the lambs is poor, the weaning requirements or the stress capability are different, and the method is not suitable for early weaning feeding of the milk sheep lambs.
Therefore, the feeding method for early weaning of the milk sheep lambs is urgently needed, the stress response of the lambs in the weaning process can be reduced, the lambs can grow normally and produce healthily after weaning, the operation is simple, the labor input is reduced, the cost is reduced, and the method is suitable for large-scale milk sheep lamb breeding.
Disclosure of Invention
The invention aims to solve the technical problems that the prior art has no feeding method for early weaning of the milk sheep lambs, the defects and the defects of prolonging the breeding cycle of ewes, long nursing period and high culture cost in the traditional weaning culture, influence on later fattening due to growth retardation of lamb rumens and digestive tracts, complex operation and the like exist, and the feeding method for early weaning of the milk sheep lambs is provided, can reduce the stress response of the lambs in the weaning process, can ensure that the lambs can normally grow and healthily produce after weaning, is simple to operate, reduces labor input and cost, and is suitable for large-scale milk sheep lamb culture.
The invention aims to provide a method for feeding milk sheep lambs at early weaning.
The above purpose of the invention is realized by the following technical scheme:
a feeding method for early weaning of milk sheep lambs comprises the following steps:
s1, separating 7-day-old newborn lambs from ewes, feeding goat milk with a feeding bottle for 4 times every day, wherein the feeding amount is 130-170 mL each time, and adding forage for free feeding;
s2, feeding the lambs of 10-13 days with the milk replacers and the goat milk for 4 times every day, wherein the total feeding amount is 200mL each time, and adding forage for free feeding;
s3, feeding the 14-20-day-old lambs for milk replacers 4 times per day, wherein the feeding amount is 280-320 mL each time, and forage is added for free feeding;
s4, feeding the 21-30-day-old lambs for milk replacers 4 times every day, wherein the feeding amount is 300-400 mL each time, and adding forage for free feeding;
s5, feeding lambs of 31-40 days old for 3 times a day with a feeding amount of 380-420 mL each time, and adding concentrated feed for free feeding;
s6, feeding the lambs of 41-50 days old for 3 times a day, wherein the feeding amount is 400-500 mL each time, and adding concentrated feed for free feeding;
and S7, reducing the number of times of milk generation feeding for 51-60-day-old lambs, enabling the lambs to adapt to 3 days by reducing the number of times of milk generation feeding for each time, and adding concentrated feed for free feeding until the lambs are completely weaned.
Further, in step S2, the milk feeding amount of the 10-day-old generation is 50mL, the goat milk feeding amount is 150mL, the milk feeding amount of the future generation is increased by 50mL, and the goat milk feeding amount is decreased by 50 mL.
Furthermore, in step S4, the feeding amount of the milk replacer is increased by 20 mL/day in the first 5 days of 21-30 days old.
Further, in steps S1 to S4, the time is 6:00, 10:30, 16:00, and 20:00 divided 4 times per day.
Furthermore, in the steps S2-S4 and S5, 5 days before the 31-40-day-old lamb, the milk replacer is prepared by adding milk replacer into hot water with the weight ratio of 1:7, boiling, cooling to 50-60 ℃, brewing, and cooling to 39-41 ℃ for feeding.
Further, in the step S5, after 5 days of 31-40-day-old lambs and in the step S6-S7, the milk replacers are prepared by adding milk replacer powder into hot water with the weight ratio of 1:6.5, cooling to 50-60 ℃, brewing, and cooling to 39-41 ℃ for feeding.
Further, in steps S5 to S6, the time is 6:00, 11:00, and 18:00 at 3 times per day.
Further, in the feeding process of early weaning, when lambs with poor adaptability appear, the feeding time is prolonged by 1-3 days.
Further, in the feeding process of early weaning, when cooling weather appears, the feeding amount is reduced by 50mL each time.
Further, in the feeding process of early weaning, the temperature of the sheep cot is controlled to be 15-25 ℃, and the humidity is controlled to be 20-87%.
Furthermore, in the feeding process of early weaning, drinking water at 9-25 ℃ is provided at the same time.
Further, in the early weaning rearing process, the sheepfold cages were 2m × 2m, and at most 2 lambs per cage.
The concentrated feed can be added to the weaned milk sheep lambs according to the growth condition of the lambs, the concentrated feed is tried to be added once every 3 days or so, the amplitude is increased by about 25g for one sheep, the eating quantity is observed, the concentrated feed is determined to be fed within half an hour, and the concentrated feed is tried to be added again after the concentrated feed can be stably fed; ensuring the constant preparation of the forage.
The invention has the following beneficial effects:
the invention relates to a feeding method for early weaning of milk sheep lambs, which adopts a staged method and gradually feeds the lambs by goat milk, milk replacers, concentrated feed and the like, so that the lambs can be quickly adapted to a weaning stage, the stress response of the lambs in the weaning process can be reduced, the lambs are free from the illness, the lambs can normally grow and healthily produce after weaning, the operation is simple, the labor input is reduced, the cost is reduced, and the method is suitable for large-scale milk sheep lamb breeding.
Detailed Description
The present invention is further illustrated by the following specific examples, which are not intended to limit the invention in any way. Reagents, methods and apparatus used in the present invention are conventional in the art unless otherwise indicated.
The milk replacer is accurate milk replacer for Chinese academy of agricultural sciences, and comprises the following nutritional ingredients: dry matter is more than or equal to 94.0 percent, protein is more than or equal to 23.0 percent, fat is more than or equal to 12.0 percent, calcium is 0.6-1.5 percent, phosphorus is 0.5-1.2 percent, salt is 0.1-1.2 percent, vitamin A13000-50000 IU/Kg, vitamin D is 3000-10000 IU/Kg, vitamin E is more than or equal to 70IU/Kg, lysine is more than or equal to 2.2 percent, methionine is more than or equal to 1.0 percent, and threonine is more than or equal to 1.0 percent.
Adding the milk replacer into hot water (cooled to 50-60 ℃ after boiling) in a weight ratio of 1 (6.5-7) to brew to obtain emulsion, and cooling to 39-41 ℃ to feed.
The concentrated feed used by the invention is a lamb concentrated feed supplement (Gao Yang le) produced by the Meng Ruixing feed Limited company of inner Mongolia. Consists of the following components: corn, wheat bran, soybean meal, cottonseed meal, DDGS, whey powder, vegetable oil, amino acid, vitamins (A, E, D3), copper sulfate, ferrous sulfate and other trace elements, salt, stone powder, calcium hydrophosphate, phagostimulant and the like; the crude protein is more than or equal to 16 percent, the crude fiber is less than or equal to 8 percent, the crude ash content is less than or equal to 9 percent, the calcium is 0.5 to 1.4 percent, the phosphorus is 0.4 percent, the sodium chloride is 0.1 to 1.2 percent, the lysine is more than or equal to 0.5 percent, and the water content is less than or equal to 13 percent.
The remaining reagents and materials used in the following examples are all commercially available unless otherwise specified.
Example 1 raising method of milk sheep lamb with early weaning
The method for feeding the milk sheep lambs at early weaning specifically comprises the following steps:
s1, randomly selecting 8 newborn lambs, separating 7 days old from ewes, dividing 4 times per day at 6:00, 10:30, 16:00 and 20:00, feeding goat milk with a feeding bottle, wherein 150mL of goat milk is fed each time, and forage is added for free feeding;
s2, feeding milk replacers and goat milk for 4 times every day for 10-13-day-old lambs at 6:00, 10:30, 16:00 and 20:00, wherein the total feeding amount of the milk replacers and the goat milk is 200mL each time, the milk replacers are prepared from milk replacer powder and hot water according to the weight ratio of 1:7, the feeding amount of the milk replacers is 50mL each time and 150mL each time when the lambs are 10 days old, the feeding amount of the milk replacers is increased by 50mL each day, the goat milk is reduced by 50mL each time, the milk replacers are completely fed when the lambs are 13 days old, and forage is added for free feeding;
s3, feeding the 14-20-day-old lambs 4 times a day at 6:00, 10:30, 16:00 and 20:00 for milk replacers, wherein the milk replacers are prepared from milk replacer powder and hot water according to the weight ratio of 1:7, the feeding amount is 300mL each time, and forage is added for free ingestion;
s4, feeding the lambs with 21-30 days old 4 times a day at 6:00, 10:30, 16:00 and 20:00 for milk replacers, wherein the milk replacers are prepared from milk replacer powder and hot water according to the weight ratio of 1:7, the feeding amount of each time is 300mL, the feeding amount of the milk replacers is increased by 20 mL/day in the first 5 days, the feeding amount of each time is 400mL after 26 days old, and forage is added for free ingestion;
s5, feeding the lambs with 31-40 days old 3 times a day at 6:00, 11:00 and 18:00 for milk replacers, wherein the milk replacer is prepared from milk replacer powder and hot water in a weight ratio of 1:7 in the first 5 days, the milk replacer is prepared from milk replacer powder and hot water in a weight ratio of 1:6.5 in the last 5 days, the feeding amount is 400mL each time, and the lambs are added with concentrated feed for free feeding;
s6, feeding the lambs with age of 41-50 days 3 times a day at 6:00, 11:00 and 18:00 for milk replacers, wherein the milk replacers are prepared from milk replacer powder and hot water according to the weight ratio of 1:6.5, the feeding amount is 400mL each time, and concentrated feed is added for free feeding;
and S7, reducing the number of times of milk generation feeding for 51-60-day-old lambs, enabling the lambs to adapt to 3 days by reducing the number of times of milk generation feeding for each time, and adding concentrated feed for free feeding until the lambs are completely weaned.
So far, the lambs of 60 days old can be fed by concentrated feed and forage according to a conventional method.
In the feeding process of early weaning, the temperature of a sheep cot is kept and controlled to be 15-25 ℃, the humidity is kept to be 20-87%, and meanwhile drinking water at 9-25 ℃ is provided;
when lambs with poor adaptability appear, the feeding time is prolonged by 1-3 days; when the cooling weather occurs, the feeding amount is reduced by 50mL each time;
sheepfold cages 2m × 2m, up to 2 lambs per cage.
Example 2 raising method of early weaning of milk sheep lambs
The method for feeding the milk sheep lambs at early weaning specifically comprises the following steps:
s1, randomly selecting 8 newborn lambs, separating 7 days old from ewes, dividing 4 times per day at 6:00, 10:30, 16:00 and 20:00, feeding goat milk with a feeding bottle, 160mL each time, and adding forage for free feeding;
s2, feeding milk replacers and goat milk for 4 times every day for 10-13-day-old lambs at 6:00, 10:30, 16:00 and 20:00, wherein the total feeding amount of the milk replacers and the goat milk is 200mL each time, the milk replacers are prepared from milk replacer powder and hot water according to the weight ratio of 1:7, the feeding amount of the milk replacers is 50mL each time and 150mL each time when the lambs are 10 days old, the feeding amount of the milk replacers is increased by 50mL each day, the goat milk is reduced by 50mL each time, the milk replacers are completely fed when the lambs are 13 days old, and forage is added for free feeding;
s3, feeding the 14-20-day-old lambs 4 times a day at 6:00, 10:30, 16:00 and 20:00 for milk replacers, wherein the milk replacers are prepared from milk replacer powder and hot water according to the weight ratio of 1:7, the feeding amount is 300mL each time, and forage is added for free ingestion;
s4, feeding the lambs with 21-30 days old 4 times a day at 6:00, 10:30, 16:00 and 20:00 for milk replacers, wherein the milk replacers are prepared from milk replacer powder and hot water according to the weight ratio of 1:7, the feeding amount of each time is 300mL, the feeding amount of the milk replacers is increased by 20 mL/day in the first 5 days, the feeding amount of each time is 400mL after 26 days old, and forage is added for free ingestion;
s5, feeding the lambs with 31-40 days old 3 times a day at 6:00, 11:00 and 18:00 for milk replacers, wherein the milk replacer is prepared from milk replacer powder and hot water in a weight ratio of 1:7 in the first 5 days, the milk replacer is prepared from milk replacer powder and hot water in a weight ratio of 1:6.5 in the last 5 days, the feeding amount is 420mL each time, and the lambs are added with concentrated feed for free ingestion;
s6, feeding the lambs with age of 41-50 days 3 times a day at 6:00, 11:00 and 18:00 for milk replacers, wherein the milk replacers are prepared from milk replacer powder and hot water according to the weight ratio of 1:6.5, the feeding amount is 420mL each time, and concentrated feed is added for free feeding;
and S7, reducing the number of times of milk generation feeding for 51-60-day-old lambs, enabling the lambs to adapt to 3 days by reducing the number of times of milk generation feeding for each time, and adding concentrated feed for free feeding until the lambs are completely weaned.
So far, the lambs of 60 days old can be fed by concentrated feed and forage according to a conventional method.
In the feeding process of early weaning, the temperature of a sheep cot is kept and controlled to be 15-25 ℃, the humidity is kept to be 20-87%, and meanwhile drinking water at 9-25 ℃ is provided;
when lambs with poor adaptability appear, the feeding time is prolonged by 1-3 days; when the cooling weather occurs, the feeding amount is reduced by 50mL each time;
sheepfold cages 2m × 2m, up to 2 lambs per cage.
Example 3 raising method of milk sheep lamb with early weaning
The method for feeding the milk sheep lambs at early weaning specifically comprises the following steps:
s1, randomly selecting 8 newborn lambs, separating 7 days old from ewes, dividing 4 times per day at 6:00, 10:30, 16:00 and 20:00, feeding goat milk with a feeding bottle, wherein each time is 145mL, and adding forage for free feeding;
s2, feeding milk replacers and goat milk for 4 times every day for 10-13-day-old lambs at 6:00, 10:30, 16:00 and 20:00, wherein the total feeding amount of the milk replacers and the goat milk is 200mL each time, the milk replacers are prepared from milk replacer powder and hot water according to the weight ratio of 1:7, the feeding amount of the milk replacers is 50mL each time and 150mL each time when the lambs are 10 days old, the feeding amount of the milk replacers is increased by 50mL each day, the goat milk is reduced by 50mL each time, the milk replacers are completely fed when the lambs are 13 days old, and forage is added for free feeding;
s3, feeding the 14-20-day-old lambs 4 times a day at 6:00, 10:30, 16:00 and 20:00 for milk replacers, wherein the milk replacers are prepared from milk replacer powder and hot water according to the weight ratio of 1:7, the feeding amount is 300mL each time, and forage is added for free ingestion;
s4, feeding the lambs with 21-30 days old 4 times a day at 6:00, 10:30, 16:00 and 20:00 for milk replacers, wherein the milk replacers are prepared from milk replacer powder and hot water according to the weight ratio of 1:7, the feeding amount of each time is 300mL, the feeding amount of the milk replacers is increased by 20 mL/day in the first 5 days, the feeding amount of each time is 400mL after 26 days old, and forage is added for free ingestion;
s5, feeding the lambs with 31-40 days old 3 times a day at 6:00, 11:00 and 18:00 for milk replacers, wherein the milk replacer is prepared from milk replacer powder and hot water in a weight ratio of 1:7 in the first 5 days, the milk replacer is prepared from milk replacer powder and hot water in a weight ratio of 1:6.5 in the last 5 days, the feeding amount is 385mL each time, and the lambs are added with concentrated feed for free feeding;
s6, feeding the lambs with age of 41-50 days 3 times a day at 6:00, 11:00 and 18:00 for milk replacers, wherein the milk replacers are prepared from milk replacer powder and hot water according to the weight ratio of 1:6, the feeding amount is 385mL each time, and concentrated feed is added for free feeding;
and S7, reducing the number of times of milk generation feeding for 51-60-day-old lambs, enabling the lambs to adapt to 3 days by reducing the number of times of milk generation feeding for each time, and adding concentrated feed for free feeding until the lambs are completely weaned.
So far, the lambs of 60 days old can be fed by concentrated feed and forage according to a conventional method.
In the feeding process of early weaning, the temperature of a sheep cot is kept and controlled to be 15-25 ℃, the humidity is kept to be 20-87%, and meanwhile drinking water at 9-25 ℃ is provided;
when lambs with poor adaptability appear, the feeding time is prolonged by 1-3 days; when the cooling weather occurs, the feeding amount is reduced by 50mL each time;
sheepfold cages 2m × 2m, up to 2 lambs per cage.
Comparative example 1 non-weaning of traditional ewes with lambs
Randomly selecting 8 newborn lambs, and feeding the lambs to 90-day-old lambs from ewes in a straight zone.
Comparative example 2 raising method for early weaning of milk sheep lambs
The method for feeding the milk sheep lambs at early weaning specifically comprises the following steps:
s1, randomly selecting 8 newborn lambs, separating 7 days old from ewes, dividing 4 times per day at 6:00, 10:30, 16:00 and 20:00, feeding goat milk with a feeding bottle, wherein 150mL of goat milk is fed each time, and forage is added for free feeding;
s2, feeding the lambs of 10-20 days old 4 times a day at 6:00, 10:30, 16:00 and 20:00 for milk replacers, wherein the milk replacers are prepared from milk replacer powder and hot water according to the weight ratio of 1:7, the feeding amount is 300mL each time, and forage is added for free ingestion;
s3, feeding the 21-40-day-old lambs 3 times a day at 6:00, 11:00 and 18:00 for milk replacers, wherein the milk replacer is prepared from milk replacer powder and hot water in a weight ratio of 1:7 in the first 5 days, the milk replacer is prepared from milk replacer powder and hot water in a weight ratio of 1:6.5 in the last 5 days, the feeding amount is 400mL each time, and the lambs are added with concentrated feed for free ingestion;
s4, reducing the number of times of milk generation feeding for the 41-60-day-old lambs, enabling the lambs to adapt to 3 days by reducing the number of times of milk generation feeding for each time, and adding concentrated feed for free feeding until the lambs are completely weaned.
So far, the lambs of 60 days old can be fed by concentrated feed and forage according to a conventional method.
In the feeding process of early weaning, the temperature of a sheep cot is kept and controlled to be 15-25 ℃, the humidity is kept to be 20-87%, and meanwhile 259-25 ℃ drinking water is provided;
when lambs with poor adaptability appear, the feeding time is prolonged by 1-3 days; when the cooling weather occurs, the feeding amount is reduced by 50mL each time;
sheepfold cages 2m × 2m, up to 2 lambs per cage.
Comparative example 3 raising method for early weaning of milk sheep lambs
The method for feeding the milk sheep lambs at early weaning specifically comprises the following steps:
s1, randomly selecting 8 newborn lambs, separating the 5-day-old lambs from ewes, dividing the lambs into 4 times per day at 6:00, 10:30, 16:00 and 20:00, feeding the ewes with a feeding bottle, wherein 150mL of milk is fed each time, and forage is added for free feeding;
s2, feeding 8-11-day-old lambs 4 times a day at 6:00, 10:30, 16:00 and 20:00 for milk replacers, wherein the milk replacers are prepared from milk replacer powder and hot water according to the weight ratio of 1:7, the feeding amount is 200mL each time, the feeding amount is increased by 20mL each day, and forage is added for free ingestion;
s3, feeding 12-20-day-old lambs 4 times a day at 6:00, 10:30, 16:00 and 20:00 for milk replacers, wherein the milk replacers are prepared from milk replacer powder and hot water according to the weight ratio of 1:7, the feeding amount is 300mL each time, and forage is added for free ingestion;
s4, feeding the lambs with 21-30 days old 4 times a day at 6:00, 10:30, 16:00 and 20:00 for milk replacers, wherein the milk replacers are prepared from milk replacer powder and hot water according to the weight ratio of 1:7, the feeding amount of each time is 300mL, the feeding amount of the milk replacers is increased by 20 mL/day in the first 5 days, the feeding amount of each time is 400mL after 26 days old, and forage is added for free ingestion;
s5, feeding the lambs with 31-40 days old 3 times a day at 6:00, 11:00 and 18:00 for milk replacers, wherein the milk replacer is prepared by milk replacer powder and hot water according to the weight-volume ratio of 1:7g/mL for the first 5 days, the milk replacer is prepared by milk replacer powder and hot water according to the weight-volume ratio of 1:6.5 for the last 5 days, the feeding amount is 400mL each time, and the lambs are added with concentrated feed for free feeding;
s6, feeding the lambs with age of 41-50 days 3 times a day at 6:00, 11:00 and 18:00 for milk replacers, wherein the milk replacers are prepared from milk replacer powder and hot water according to the weight ratio of 1:6.5, the feeding amount is 400mL each time, and concentrated feed is added for free feeding;
and S7, reducing the number of times of milk generation feeding for 51-60-day-old lambs, enabling the lambs to adapt to 3 days by reducing the number of times of milk generation feeding for each time, and adding concentrated feed for free feeding until the lambs are completely weaned.
So far, the lambs of 60 days old can be fed by concentrated feed and forage according to a conventional method.
In the feeding process of early weaning, the temperature of a sheep cot is kept and controlled to be 15-25 ℃, the humidity is kept to be 20-87%, and meanwhile drinking water at 9-25 ℃ is provided;
when lambs with poor adaptability appear, the feeding time is prolonged by 1-3 days; when the cooling weather occurs, the feeding amount is reduced by 50mL each time;
sheepfold cages 2m × 2m, up to 2 lambs per cage.
Experimental example growth and health conditions of milk sheep lambs during and after weaning
Experimental groups: the lamb of the embodiment 1 of the invention is fed to the age of 90 days by adding forage after the age of 60 days according to a conventional method.
Control group: comparative example 1 newborn lambs were fed from ewes all the way to 90 days old lambs (no weaning); and feeding the lambs of comparative examples 2-3 to the age of 90 days by adding forage after the lambs are 60 days old according to a conventional method.
1. During the feeding period, the weight of each group of lambs was measured every 20 days after 10 days of age, to 90 days of age, and the results are shown in table 1.
TABLE 1 lamb 90 days old weight change (kg)
Age of day Example 1 Comparative example 1 Comparative example 2 Comparative example 3
Birth of a year 5.06±0.34 4.54±1.25 5.16±0.58 5.67±0.73
10d 7.95±1.11 7.75±1.39 7.54±1.25 7.66±1.17
30d 12.34±2.13 11.11±1.53 10.09±1.44 11.07±1.22
50d 16.87±2.72* 19.23±2.14 15.38±2.46* 15.63±2.06*
70d 22.69±4.21 24.21±2.25 20.61±2.33* 21.27±2.18*
90d 29.42±5.55 29.57±2.83 25.48±2.12* 26.45±2.65*
Note: in comparison with comparative example 1, P*<0.05。
As can be seen from table 1, the weight of the milk sheep lambs fed by the feeding method for early weaning of the milk sheep lambs in the embodiment 1 of the present application after 90 days is not obviously different from the weight of the lambs in the traditional ewes, and the weight is normal; and the weight of the milk sheep lambs fed by the feeding method for early weaning of the milk sheep lambs in the comparative examples 2-3 after 90 days is obviously different from that of the traditional ewe lambs, and the weight is lower.
2. During the feeding period, the illness condition of each group of lambs within 90 days of age is recorded, and the illness rate is calculated, and the results are shown in a table 2.
TABLE 2 lamb 90 days old sick cases
Group of Incidence of disease (%)
Example 1 0
Comparative example 1 0
Comparative example 2 37.5(3/8)
Comparative example 3 25.0(2/8)
As can be seen from Table 2, no disease occurred in the lambs in the feeding process from weaning to 90-day-old in the example 1 of the present invention, while the lambs in the comparative examples 2 and 3 all appeared diseased in the feeding process from 90-day-old in different degrees and affected the later growth and development of the lambs.
3. Post-weaning blood analysis of milk sheep lambs
Blood analyses were performed for example 1 (examples 2 to 3 showed results similar to example 1) and comparative example 1, respectively, and the results are shown in tables 3 to 4.
TABLE 3 two groups of 90-day-old lambs blood routine and difference statistics
Item Ewe with lamb Example 1 Statistical differences
Total white blood cell count WBC 10.2±1.96 8.06±0.42 Is not significant
Lymphocyte ratio LYM% 3.16±0.57 3.3±0.69 Is not significant
Median cell fraction MON% 6.08±1.46 6.26±0.61 Is not significant
Lymphocyte count LYM # 0.3±0.12 0.26±0.09 Is not significant
Median cell count MON #, and 0.64±0.28 0.5±0.07 is not significant
Red blood cell count RBC 9.5±0.82 10.22±0.55 Is not significant
Hematocrit HCT 3272±262.09 3503.2±141.44 Is not significant
Platelet count PLT 594±113.64 685.67±293.1 Is not significant
Platelet volume PCT 0.54±0.14 0.64±0.44 Is not significant
Mean platelet volume MPV 9±0.72 8.7±2.36 Is not significant
Large immature cell LIC # 1.16±0.54 0.89±0.07 Is not significant
Percentage of giant immature cells LIC% 12.46±4.11 12.35±1.3 Is not significant
Basophil absolute value BAS # 0.11±0.02b 0.07±0.01B Is not significant
Basophil percentage BAS% 1.1±0.07 0.86±0.11 Is not significant
Percentage of abnormal lymphocytes ALY% 0.5±0.13 0.54±0.11 Is not significant
Absolute value of abnormal lymphocyte ALY # 0.05±0.02 0.04±0.01 Is not significant
Hemoglobin HGB 122.6±7.02 120.4±4.78 Is not significant
TABLE 4 Biochemical analysis and Difference statistics of serum of two groups of 90-day-old lambs
Figure BDA0002595854350000101
Figure BDA0002595854350000111
As can be seen from tables 3-4, the blood index of the milk sheep lambs after 90 days old bred by the breeding method for early weaning of the milk sheep lambs in the embodiment 1 of the application has no obvious difference from that of the traditional ewe lambs in the comparative example 1, and the blood indexes are in normal development and healthy growth states.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.

Claims (10)

1. A feeding method for early weaning of milk sheep lambs is characterized by comprising the following steps:
s1, separating 7-day-old newborn lambs from ewes, feeding goat milk with a feeding bottle for 4 times every day, wherein the feeding amount is 130-170 mL each time, and adding forage for free feeding;
s2, feeding the lambs of 10-13 days with the milk replacers and the goat milk for 4 times every day, wherein the total feeding amount is 200mL each time, and adding forage for free feeding;
s3, feeding the 14-20-day-old lambs for milk replacers 4 times per day, wherein the feeding amount is 280-320 mL each time, and forage is added for free feeding;
s4, feeding the 21-30-day-old lambs for milk replacers 4 times every day, wherein the feeding amount is 300-400 mL each time, and adding forage for free feeding;
s5, feeding lambs of 31-40 days old for 3 times a day with a feeding amount of 380-420 mL each time, and adding concentrated feed for free feeding;
s6, feeding the lambs of 41-50 days old for 3 times a day, wherein the feeding amount is 400-500 mL each time, and adding concentrated feed for free feeding;
and S7, reducing the number of times of milk generation feeding for 51-60-day-old lambs, enabling the lambs to adapt to 3 days by reducing the number of times of milk generation feeding for each time, and adding concentrated feed for free feeding until the lambs are completely weaned.
2. The feeding method according to claim 1, wherein in step S2, the milk feed amount for the 10-day-old period is 50mL, the goat milk feed amount is 150mL, the milk feed amount for the subsequent milk generation is increased by 50mL, and the goat milk feed amount is decreased by 50 mL.
3. The feeding method according to claim 1, wherein in step S4, the feeding amount of the milk replacer is increased by 20 mL/day for the first 5 days of 21-30 days old.
4. The feeding method according to claim 1, wherein the time divided into 4 times per day in steps S1 to S4 is 6:00, 10:30, 16:00, and 20: 00.
5. The feeding method according to claim 1, wherein the milk replacer is prepared by adding 1:7 weight ratio of milk replacer powder to boiled hot water, cooling the milk replacer powder to 50-60 ℃ and brewing the milk replacer powder with the hot water, and cooling the milk replacer powder to 39-41 ℃ for feeding 5 days before the 31-40-day-old lamb in the steps S2-S4 and S5.
6. The feeding method according to claim 1, wherein in step S5, after 5 days of 31-40-day-old lambs and in steps S6-S7, the milk replacer is prepared by adding milk replacer powder into hot water in a weight ratio of 1:6.5, boiling, cooling to 50-60 ℃, brewing, and cooling to 39-41 ℃ for feeding.
7. The feeding method according to claim 1, wherein the time divided into 3 times per day in steps S5 to S6 is 6:00, 11:00, and 18: 00.
8. The feeding method according to claim 1, wherein in the early weaning feeding process, when lambs with poor adaptability appear, the feeding time is prolonged by 1-3 days.
9. The feeding method according to claim 1, wherein the feeding amount is reduced by 50mL each time when cooling weather occurs during the early weaning feeding.
10. The feeding method according to claim 1, wherein the temperature of the sheepcote is controlled to 15 to 25 ℃ and the humidity is controlled to 20 to 87% during the feeding process of the early weaning.
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