Early weaning of lambs is actually an important technical measure to control the lactation period of ewes, shorten the interval between lambing and control the reproductive cycle, so as to achieve two births a year or three births in two years, and multiple births. In the process of early weaning of lambs, the condition of lambs should be checked regularly using a sheep ultrasound instrument. At present, there are generally two ways to promote early weaning of lambs. One way is to wean lambs at about one week old, and then use milk replacers for artificial lambing; the other way is to wean lambs at 45-50 days old. After weaning, in addition to feeding high-quality green roughage or grazing, mixed concentrate should be appropriately fed. No matter which method is used for weaning, it must be carried out on the premise that the lambs eat the colostrum of the ewes, otherwise it will affect the health and growth and development of the lambs, and it is best to use a sheep ultrasound instrument to check their condition. Therefore, lambs should be fed colostrum in time after birth. After the umbilical cord of the lamb is dry, it can be allowed to graze closely with the ewe in a pasture that is sheltered from the wind and facing the sun. On the one hand, it is convenient for the lamb to suck breast milk at any time, and on the other hand, the lamb can gradually learn to eat grass by following the ewe to graze. If weaning is adopted at 1 week old, the lamb is still in the feeding stage. In addition to continuing to strengthen the feeding of the lamb, the lamb's digestive system should be checked with a sheep B-ultrasound instrument.

With the development of mutton breeding industry, mutton production and circulation have gradually entered the track of orderly market competition. The breed and quality of its mutton sheep have become the decisive factors for the success or failure of market competition. The local, mixed and inferior mutton sheep raised by some farmers have a direct impact on the economic benefits of farmers' sheep breeding because of their small size and slow growth and development. It is imperative to adjust the mutton sheep breed structure. Sheep farms and sheep farmers should reasonably organize breeding sheep and select suitable breeds. In terms of the selection of breeding sheep, sheep B-ultrasound instrument plays a great role. For the role of sheep B-ultrasound in inducing multiple lambs, please refer to this article

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