The new method of producing three litters per year for sows overcomes the problems of high cost, severe toxic and side effects, easy failure, and poor quality of the pigs used in traditional sex hormones. It is worth promoting.
The wine was made from woody, hematoxylin, arborvitae, trigeminal, pangolin, dried tangerine peel, rind, rehmannia, angelica, safflower, each with 30 grams, 5 grams of banchan, after boiling water, 1.5 kilograms of white wine was added and soaked for 10 days. . At 8 o'clock on the 105th day of the sow's pregnancy, chloroprepronol 15 mg per muscle was injected and the child was born during the second day. Postpartum should strengthen the management of mother and child pigs, increase feeds, and supplement green feed. The sow used 20 ml of medicinal wine to stir in the concentrate every day, namely, fed immediately; daily supplemented four vitamin B and vitamin E supplements. Vitamin B prevents the sows from breastfeeding too much and causes deficiency in the body. Vitamin E improves sow reproductive system function to facilitate mating and pregnancy.
Ten days after induction of estrous mating, the estrus breeding can be induced. First, the mother and child pigs are separated to facilitate operation. Second, coating oil on the soft rubber soft ball, artificially rubbing sow vaginal mouth for 5 to 10 minutes, stimulate sexual desire. 3. Spray 1 ml of boar semen into the nasal cavity of the sow to stimulate further estrus. Fourth, continue to rub the vagina mouth for 10 minutes, so that the sow has a strong sense of pleasure, stimulate the pituitary gland to secrete follicular ovary hormone, promote estrus ovulation. 5. Insert the artificial vas deferens into the vagina of the sow for 15 to 18 centimeters. Slightly swing up and down and around for 5 to 10 minutes to allow the sow to reach orgasm, ie, push the semen into 3 to 5 milliliters and continue shaking for 5 to 10 minutes. That is, the artificial vas deferens. 6. Continue to rub the vagina mouth for 10 minutes. 7. Allow the sow to cool for 30 minutes alone and return it to the herd.
Matters needing attention First, the wine is only fed for 10 days, and it is forbidden to feed after mating. Second, avoid overfeeding vitamins to prevent poisoning. 3. After taking out the artificial vas deferens, avoid rubbing the mouth of the vagina when it is too much trouble. Because the sow is still in the orgasmic reaction, suddenly stop stimulating, it will cause the body to feel uncomfortable, stop the uterus levator muscle contraction, reduce the sperm-egg encounter Combine opportunities. Fourth, to strengthen the management of pregnant sows, let it exercise properly, reduce scaring, regular quantitative qualitative feeding, balance the full price of pregnant pig pellet feed. Five, the child pigs to take early iron, early eating, early immunization, early weaning, early castration, early repellent, early stomach, straight line fattening and other technical measures.
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