Lamb feeding management
The lactating lambs are bred into the vegetative stage (5 days of birth), regular lactation (6 to 60 days) and the transition from milk to forage (61 to 90 days).
The milk of the ewes within 5 inches after delivery is called colostrum. The colostrum is rich in nutrients and plays an extremely important role in the growth and development of the lamb. It also helps to excrete meconium. Therefore, the lamb should be eaten as early as possible and eat more colostrum. The sooner you eat, the more you eat, and the faster you gain weight, the stronger the constitution, the lesser the incidence, and the higher the survival rate. During the first phase of the colostrum, it is best to let the lambs naturally breastfeed with the ewes and then change to artificial breastfeeding after 5 days. If artificial colostrum is fed, it starts from 20 to 30 minutes after birth, and 4 times a day, the amount of feeding is gradually increased from 0.6 to 1.2 kg.
During the lactation period (6 to 60 days), milk is the main food for lambs. From birth to 45 days of age, it is the fastest growing period for lambs; from birth to 75 days is the fastest growing period for lambs. Lambs grow rapidly when they are young and have a large amount of nutrients. To feed less milk, they cannot meet their nutritional needs. After it can graze, the rumen begins to grow, giving a lot of milk, making it reluctant to eat grass, which can affect gastrointestinal development.
Within two months after birth, the lamb's growth rate is related to the amount of milk eaten. It requires 6-8 kg of milk for each kilogram of body weight. 80 kg of milk was given during the entire lactation period. The average daily weight of the ewes was not less than 140 grams, and that of the male lamb was not less than 160 grams. When breast-feeding, the first problem encountered was to teach the lamb to use a bowl, a bottle or a breastfeeder for breastfeeding. This is called teaching milk. When teaching milk, let the lambs hungry for a long time, usually leaving the ewes in the afternoon and teaching them the next morning. When she began teaching her milk, she took her sheep in one hand and took the bowl in one hand so that she put her mouth into the bowl to drink milk. Artificial breastfeeding increased the amount of milk from the age of 10 days. The amount of milk was the highest in 25 to 50 days, and the amount was gradually reduced after 50 days.
From the 10th day of age, we began to give grasses, bundled young grass and hay, and hung them in the air so that the lambs could eat freely. 20 days after birth began to teach feeding. In the feeding trough, put the material that has been burned with boiling water to guide the lamb to scoop, and it will be eaten several times. 40 to 50 days after the milk feeding, if the material can not eat it will affect the growth and development.
During the transitional period between milk and forage (61 to 90 days), both milk and forage were started. Attention should be paid to the energy, protein nutrient level and full price of the diet. The digestible protein in the diet is preferably 16% to 20%, digestible nutrients 74% is appropriate. The amount of milk in the later period is continuously decreasing, with high-quality dry chops and concentrates as the main ingredients, and the whole milk is only used as a protein supplement feed.
Drink warm water 2 months ago. After 2 months, drink cold water after weaning. After 4 months of age, drink fresh tap water when warm.
After the lamb's colostrum, artificial milk can be fed. Artificial milk formula is as follows: skim milk powder 68%, animal oil 18%, fish meal 6%, soybean meal 4%, molasses 4%, vitamin A 4000IU/kg, vitamin D10001U/kg, vitamin E2501U/kg, neomycin 70mg/kg.
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