There are ways to increase the breeding rate of ewes

Raising the breeding rate of ewes is the key to gaining farm income. To improve the breeding rate of ewes can start from the following aspects.

The first is to select the male and female lambs of Damo lambs, which are hereditary and selected from the reserve sheep whose upper generation male and female rams are preferably one or more than two lambs. . These male and female mutton with good genetic basis are reserved for species use, which can fully exert their genetic potential in breeding and increase the chance of ewes having multiple births.

The second is that adequate nutrition makes the sheep have a healthy body condition and moderate sensation. The ram maintains a strong libido. When the broiler is bred, there are many sperms in the semen, strong vigor and high fertilization capacity. Strengthening the ewes nutrition is to improve the breeding of the ewes. Rate effective measures. The ewes are strong, the fetus is well developed, postpartum milk is sufficient, and the lamb is born with a large body and high survival rate. Therefore, the better the ewe's lynx, the greater the lamb’s weight and the higher the odds.

Third, two breedings are conducted. When the ewes are estrus, double mating or two inseminating sperm insemination can increase the rate of quasi-fetal births and increase the odds of producing twin lambs. The adoption of two breeding methods can often maintain fertilization in the genital tract of the ewe. The ability of sperm to exist increases the chance of fertilization. The commonly used method is to inseminate the ewes that are in estrus, once in 12 and 24 hours, and the insemination interval is usually 10 to 12 hours.

The fourth is to increase the percentage of young and middle-aged ewes in the flock. Young early-wort ewes and old and weak ewes have lower fecundity than young ewes. The ewes have the strongest reproductive rate at the age of 3 to 4 years in the ewes, and the breeding period is generally 8 years. Therefore, in order to improve the overall level of the flock, rationally adjust the herd structure, and systematically supplement young ewes, increase the proportion of ewes aged 3 to 4 years in the flock, and discover and eliminate old, weak or low fertility in time. Ewe.

The fifth is that the lambs are weaned early in time, and shortening the feeding time of the ewes can promote early estrus of the ewes and realize a year of prolificacy. Early weaning lambs need to artificially train the lambs' feeding power. When the lambs are 10-15 days old, they can feed fresh grasses, leaves or soft and digestible hay and leaves to stimulate the early formation of digestive tract digestive function and to lambs. Self-feeding direction transition.

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