Recently, a reader in Yancheng City reported to the newspaper that he was mainly raising sheep. A recent ewe has appeared estrus symptoms such as reduced feed intake, loud shouting, and vaginal fluid mucus after 20 days of farrowing. Can you match now? Does it affect the lamb? How can it reduce the impact on the lamb?
It is understood that goats are mostly seasonal estrus animals, generally concentrated in the September-November estrus, after production due to the impact of hormones in the body, under normal circumstances more than 3 months before the emergence of estrus.
The reporter interviewed experts on sheep breeding. Experts said that the ewes are generally pseudo-estrus for more than 20 days after delivery. Even if breeding, the success rate is very low. However, once the breeding is successful, the ewe's milking power will drop, and it is easy to affect the growth and development of the lamb. A love period, such as when the next estrus mating, but the lamb's protection should be done in advance, that is, early training, early weaning.
The traditional lamb weaning time is 3 to 4 months. Early weaning refers to a method of weaning lambs at the age of 8 weeks. However, lambs should be trained early to eat. Lambs can be supplemented by training from 10 to 15 days of age. In the ewes' laps, only supplementary feeding columns and feeding troughs and drinking troughs for lambs can be set freely to allow lambs to pass freely. Lambs can either eat breast milk or You can eat supplement feed. In the early period, the sheep’s milk was mainly corn and roasted faba bean powder. It was artificially induced to gradually learn to eat independently. After all the lambs had eaten, they were changed to special-purpose sheep-goat pelleted feeds or bred by farmers. Material, each lamb supplemented with 50 to 75 grams of concentrate per day, regular, quantitative feeding. After one month of age, the lamb can be supplemented with a certain amount of high-quality green hay, supplemented with peanut vines and barnyardgrass, and supplemented with 1OO grams of gems per day and 3 to 4 times of feeding. The appropriate amount of chopped tuber feed such as carrots is chopped or shredded.
The Guangxi Baise Aquatic Animal Husbandry and Veterinary Bureau has conducted the “Longip goat lamb weaning test in advance.†The experimental results show that the goat lambs are fed artificially in advance under captive conditions, and there is no significant difference in the weight gain of the lambs that are pre-weaned. The rate of estrus in the early weaning group (90%) was 35 percentage points higher than that of the natural weaning group (55%). Therefore, the use of artificial feeding in advance, weaning in advance, does not affect the growth of lambs, but can make the ewes advance estrus breeding, is conducive to shorten the breeding cycle, increase reproduction rate.
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