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The reporter interviewed Wang Gongjin, a director of the Animal Embryo Research Office of the Institute of Animal Husbandry, Jiangsu Academy of Agricultural Sciences. Wang Gongjin, after learning about the farming situation of the farmer family, said that the normal estrus time of newly produced ewes did not occur until about one and a half months after childbirth, and the ewes of the farmer households had a comparison about 22 days after childbirth. Obvious estrus symptoms, this phenomenon is relatively rare in the breeding process, but it can not be ruled out due to the individual differences in the effects of ewes, breeding conditions are too good and the ejaculation is good.
At this time the ewes can be bred? Wang Gongjin said that although the ewe appeared in about 22 days after childbirth, the estrus symptoms are also quite obvious. This can only prove that the ewe's ovarian function is better, and it can ovulate smoothly in about 22 days after delivery. In fact, at this time the ewe The internal environment of the uterus is not suitable for the implantation of fertilized eggs. If breeding at this time is not easy to match. Therefore, it is advisable that the sheep breeding of the farmer should stop one estrus period and wait for the next season to be bred again after about 21 days.
"If the ewe's individual differences lead to the ewe's mating in this situation, it will have a certain influence on the growth and development of these two non-weaning lambs in the later period." Wang Gongjin said that although the ewe's breeding success, although early (1 month or so) The development of fertilized eggs is slow, and the ewes' breasts also secrete milk, but the amount of secreted lotion also drops, and it enters the dry period about one month after mating. If we suddenly have a certain stress on the lamb weaning, if the farmer has already bred the ewes, in order to prevent the ewes from breeding because of individual differences, they should manually feed some granules in advance of the 1 month old of the lamb. The feed or grass promotes the development of the rumen, gradually reduces the number of feedings each day, and gradually weaning; in addition, it is also possible to find nannies for the two lambs.
On February 14, a reader of Yancheng City called the newspaper “Cowage 110†to report that there was a ewes in his family who had recently given birth to 2 lambs. After 22 days, the farmer found that the ewes had reduced food intake. There are mucus in the vagina, screaming sorghum, and waking tail and other estrus symptoms. He asked, at this time can the ewes breed? Does mating affect the ewes' late feeding?