The lactating lamb is the stage with the greatest growth and development intensity in life, and it is the most difficult to raise. A slight carelessness will not only affect the development and physical fitness of the sheep, but also increase the incidence and mortality of lambs, which will cause a significant increase in sheep production. loss. Lambs rely mainly on breastmilk for nutrition during the pre-lactation period. When the breastmilk is abundant, the lamb develops well, gains weight quickly, and is healthy and lively. Breast milk can be divided into colostrum and regular milk. The milk secreted by the ewes in the first week after delivery is called colostrum, and later is often milk. The large colostrum concentration, high nutrient content, especially containing a large amount of antibody globulin and abundant mineral elements, can enhance the disease resistance of lambs and promote fecal excretion. Lambs should be guaranteed to eat colostrum within 15 to 30 minutes postpartum. The early attraction and feeding of lambs is an important task for the cultivation of lambs. Seven to ten days after the lamb is born, when following the ewes to grazing or feed, they will imitate the behavior of the ewes and eat certain forage. At this time, soy beans, broad beans, peas, etc. can be fried, crushed and then sprinkled in the feeding trough to lure the lamb. At the beginning, each lamb can feed 10 to 50 grams a day, and gradually increase the amount of supplements after the lamb is used. Lamb supplementation should be carried out separately. When the lamb's feed intake reaches about 100 grams, supplements can be made with a mixture of about 24% crude protein. In the late lactation period, lambs can be grouped individually during the day, and special grassland can be grazing and combined with supplementary concentrates. High-quality hay can be placed on straw racks for free feeding, and grasses and leguminous hay are preferred. The supplemental feeding of lambs should pay attention to the following issues: 1 Feeding as early as possible; 2 When lambs are used to feed, the feeds to be used should be diversified, nutritious, and digestible; 3 Little feeding should be done when feeding. Tim; 4 to achieve regular, quantitative, fixed-point; 5 to ensure that the feed tanks and drinking water clean and sanitary. It is necessary to strengthen the management of the lambs, timely go horns (goats), tails (sheep), castration, and do a good job of immunization. The lambs are weighed at birth; they are numbered, chased or tailed within 7 to 15 days; and lambs that do not meet the species requirements are castrated around the age of 2 months. Lambs more than 7 days after birth can be grazing with the ewes nearby, increasing the time for outdoor activities. For a small number of lambs who are emaciated due to the death or lack of milk of their ewes, they must do well in artificial nursing or foster care. Lambs are generally weaned once. The weaning time should be comprehensively considered based on the lamb's age, weight, feeding conditions, and production needs. In the production of fattened lambs in foreign factories, the weaning time of lambs is usually 4 to 8 weeks; domestically, 4 months of weaning is commonly used. For early-weaned lambs, it is necessary to provide milk replacer feeds that meet their digestive characteristics and nutritional needs, otherwise significant losses will result. The weight of the lamb at weaning has a certain influence on the growth and development after weaning. According to practical experience, the weight of the semi-fine wool modified lamb lamb is more than 15 kilograms, the mother lamb is more than 12 kilograms, and the weaning weight of the goat lamb is more than 9 kilograms. After weaning, the underweight lambs were significantly hindered from growth and development. If some lambs need to be weaned earlier due to the limitation of production conditions, they must be grouped separately to strengthen supplementation so as to ensure the nutritional needs of the lambs' growth and development.
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