Ewe's lactation can be divided into three stages: initial stage, prosperous stage and late stage. Ewes at each stage have different physiological conditions and nutritional requirements. In order to increase the milk yield of ewes, different feeding methods must be used at different times.
Early lactation: After ewes lambing, the abdomen is empty, physical weakness, poor digestive function, it is necessary to timely supplement the loss of nutrition and moisture. Within 7 days after delivery, drink 3 to 4 times of warm water every day. Add a small amount of bran and salt to the water. The diet should be dominated by tender hay, and grass and silage should be gradually increased after 7 days, and normal concentrates should be restored after two weeks.
The lactation period: During this period, the ewes' milk production keeps rising. Usually 30 to 45 days after childbirth is the peak of lactation. High-yielding sheep come late, about 60 to 70 days after childbirth. During this period the ewe’s appetite is strong and feed utilization is high. In order to keep the peak of lactation lasting longer, in addition to feeding high-quality hay, as much as possible should be allocated to grass, silage, and some tuber feeds. If the nutrition is still insufficient, 0.5 to 1 kg of mixed concentrate can be added to stimulate the full production of milk production. When the amount of lactation ceases to rise, feed exceeding the standard should be reduced. At the same time, try not to change the feeding method and the type of diet so as to prolong the time of high milk production.
Late lactation: When the amount of lactation is reduced, the nutritional status of the lactating ewes should be considered, and the concentrate can be gradually reduced, but it cannot be reduced too fast, otherwise it will accelerate the decrease of lactation. At this time, if the diet exceeds the amount needed for lactation, the ewes may soon become fattened, which will also reduce the amount of lactation. In the late lactation period, on the one hand, the weight of the ewes should be controlled and not increased too fast; on the other hand, the amount of lactation should not be reduced too quickly. This will not only increase the amount of lactation in this parity, but also ensure the normal development of the fetus, and can accumulate stamina for the next fetal lactation.
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