How to improve the reproductive performance of sows

The reproductive performance of sows is related to the litter size, the vitality of piglets, the survival rate and the milk yield of sows, which is directly related to the economic benefits of pig breeding. So if you want to raise pigs to make money, you have to find ways to improve the reproductive performance of sows, so how to improve it? "come and have a look with the editor.

1. Selection of sows

The reproductive performance of sows has genetic characteristics, so in order to ensure the reproductive performance of sows, we must first choose excellent breeding breeds. After choosing a good variety, we should also choose a good individual. The selection should be made according to the market demand and the actual situation of the farm. Most of the pigs in our country choose dual sows, which have good production performance, high fecundity and good lactation performance. After selecting the breed, it is necessary to choose those with good body shape, good development of reproductive organs, normal estrus and ovulation in sows, healthy and disease-free.

2. Timely breeding

Timely breeding is also an important means to improve the conception rate of sows. At present, most farms choose artificial insemination, which can greatly improve the conception rate and litter size of sows. However, when mating, it is necessary to achieve timely mating, requiring breeding personnel to do a good job of estrus identification and master the best time of mating. In general, sows in the best mating period must become quiet after being excited, accept the climbing of other pigs, and develop symptoms such as superficial reflex.

3. Feeding and management of sows.

In order to strengthen the feeding and management of pregnant sows, the gestation period of sows can be divided into early pregnancy and late pregnancy, and appropriate nutrition should be supplied according to the nutritional characteristics of different periods. The growth and development of fetus is slow in the early stage, which is only enough to maintain the self-demand of sows, while in the later stage, if the fetus develops rapidly, attention should be paid to strengthening the supply of nutrition. At the same time, sows should be fed reasonably according to their own conditions, suitable feeding for individual thin sows and appropriate diet reduction for over-fat sows. It is strictly forbidden to feed moldy and rotten feed, do a good job of heat preservation in summer and winter, and prevent miscarriage caused by fighting among sows.

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