Season
The sows should be allowed to give birth in the spring and autumn.
Because these two seasons are the best season for breeding pigs, and are also a good breeding season for sows after weaning, which will help improve the conception rate and the number of births. The growth and development of pigs is good. Of course, large and medium-sized pig farms with good delivery room facilities can also produce their sons and broilers all year round to improve the breeding effect.
Induced estrus
Allowing pigs to estrus on schedule, ovulate, and timely mating, abortion is the key to ensuring normal breeding and raising the number of births. For estrus disorders caused by endocrine disorders or other factors, "tristimulus hormones" may be used for aphrodisiac. The method is: For sows that have been weaned for more than 5 days after weaning, an intramuscular injection of 2 ml of triple hormone can achieve the purpose of promoting estrus, ovulation, and timely breeding.
Postpartum skillfully using a needle
Sow postpartum more mastitis, metritis, vaginitis, postpartum fever and other perinatal diseases, and some secondary pneumonia, causing death. In order to prevent the morbidity of the puerperal period, sow prevention measures can be taken quickly after giving birth.
The method is: After giving birth (within 12 hours after childbirth), use 10 ml of aminopyrine, 2 million units of penicillin, and 1 million units of streptomycin, mix well, and place an intramuscular injection 2 cm to 3 cm behind the ear of the sow's neck. It is very effective in preventing the above 4 kinds of perinatal diseases, and can avoid death caused by secondary pneumonia.
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