Milk goats autumn breeding technology

The seasonality of milk goats' estrus is very strong. Most of them are concentrated in autumn (September-October) breeding. Lambs are born from February to March of the following year. Good lyrical milk goats have early estrus, more ovulation, high reproductive rates, and leanness. Sheep are late in estrus, have less ovulation, and have low reproductive rates. The semen with good fleas has good semen quality, more ejaculation, high sperm density and good vigor.

During the first two months of breeding, the quality of forage feed should be appropriately increased, and rams and lean ewes should be fed with some protein-rich green feed. Green feed has a high content of vitamins and minerals, which can enhance the performance of male goats. Sperm vitality promotes estrus in goat milk and increases ovulation. If you want to keep the male and female dairy goats in the middle and upper lyrics, you can't just increase the amount of concentrated feed in the breeding season. As the saying goes: "Early feed on your legs and feed it on your mouth." However, excessively high levels of nutrition are not appropriate. If the ram is over-fat, then the libido is low. If the ewes are over-fat, they are less likely to become pregnant.

Generally, every ram in the breeding season is fed daily with 10 kg to 15 kg of mixed feed, freshly grazing, 5 g to 10 g of bone meal, 15 g to 70 g of salt, and 2 to 3 eggs (mashed with the skin and mixed in the feed. ). The selection of male and female ewes with high reproductive and productive abilities to breed is an important measure to increase reproduction rates and production performance. In production, we must pay attention to the elimination of old sheep, weak sheep and infertile sheep, and maintain a high proportion of ewes of the appropriate age in order to improve the quality of basic sheep so as to accelerate the development of the sheep and increase income.

General lambs 15 months to 18 months after birth, when the weight reached 30kg ~ 40kg when the most suitable breeding, but in fact, when the growth of good ewes should be coupled with the species, so as not to raise for one year. For this reason, it is very important for the cultivation of the ewe that matched the species. If the young females with light weight and poor physical quality are matched with the species, and feeding management is not strengthened, it will not only affect the growth and development of the young female but also affect the quality of the next generation.

The level of pregnancy rate is highly related to timing of breeding. If you can grasp the timely mating, in a heat period, breeding 1 can be. Mother goats are estrus every 20 days or so. The duration of each estrus is 20 days to 28 days. After the mature eggs are discharged, the survival time is 4 hours to 8 hours in the fallopian tubes. The fertilization time of rams sperm in the ewes' reproductive tract is generally around 24 hours. This time is the opportunity for full integration of sperm and egg, it is best to breed within a few hours before ovulation, so more suitable breeding time should be in the middle of estrus, practice has shown that the ewes are of different ages, breeding time is not the same, the elderly mother The estrus duration of the sheep is short and should be bred in time after estrus. The young ewes have a long estrus period. The breeding time is slightly delayed. The middle ewes have moderate estrus time. The breeding time is between the two. As the saying goes, , with less late, not many with the middle of the old "is the truth. In addition, multiple breedings are performed during one estrus period in order to improve the conception rate.

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