Empty sow clever management

First, provide comprehensive nutrition

To raise empty sows, first of all to provide a comprehensive nutritional feed. If the feed is undernourished and there is insufficient supply of protein, the normal development of empty sows' eggs will be affected, which will reduce the amount of empty sows' ovulation, which will lead to a reduction in the conception rate of empty sows. Therefore, empty sows are required to provide a comprehensive nutritional feed, especially protein feeds. Under normal circumstances, empty sows per kilogram of diet. Protein feed should account for 12%, and there should also be a certain amount of animal protein in the protein feed. At the same time, we must also meet the needs of empty sows for various minerals and vitamins, and provide enough calcium, vitamin A, vitamin D, etc., so that empty sows can maintain a moderate degree of lyrical and energetic.

Second, treat differently, press the quail feeding

Empty sows should be reared separately according to the lyrics. Because empty sows are over-fat and over-slim, they can produce estrus, low ovulation, and low egg vitality, which can easily lead to unpleasant consequences such as cravings, dystocia, and stillbirth. Therefore, empty sows must be treated differently depending on the situation. For pregnant sows with poor body condition, “short-term excellent feeding” is required before mating, and a comprehensive high-energy level feed is provided 10 to 15 days before breeding, which will increase the number of ovulation and increase the quality of eggs for pregnant sows. Very good effect. For overweight empty sows, it is necessary to increase the amount of exercise, reduce the amount of feed for concentrate feed, and feed more green feed to make it as soon as possible to achieve the appropriate body condition for breeding.

Third, improve and improve the feeding environment

The environmental conditions of feeding will have a great influence on the estrus and ovulation of empty sows. Adequate sunlight and fresh air help promote the estrus and ovulation of empty sows. The cleanliness of the room and the proper temperature are good for ensuring multiple ovulation. Therefore, we must allow the empty sow to exercise properly and ensure that the interior is dry, clean, ventilated, and warm.

Fourth, to carry out compounding

Breeding empty sows, especially good breed empty sows, sometimes estrus symptoms are not very obvious, in order to increase the conception rate of empty sows, it is advisable to repeat breeding, usually in the estrus period repeat breeding 2 or 3 times. In general, the first mating is performed 19-20 hours after the empty sow starts estrus, and the second breeding is performed after 12-18 hours.

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