How to reduce the reproductive barrier of pigs?
Reduce the reproductive obstacles of pigs: first, cultivate healthy boars and sows: first, through vaccination or drug prevention, to ensure that boars and sows are not plagued by epidemic diseases, especially pseudorabies, classical swine fever, parvovirus, Japanese encephalitis, and infectious diseases such as chlamydia and eperythrocytes. Second, stage-by-stage management of boars and sows, that is, backup sows, pregnant sows, parturient sows, empty sows, young boars, adult boars, etc., should be nursed according to their respective characteristics and needs. The third is the prevention and treatment of foot and limb disease of boars and sows, mastitis of parturient sows and uterine inflammation. The fourth is to strengthen exercise, in addition to pregnant sows before and after implantation and parturient period should not exercise more, other periods should be appropriate to strengthen exercise, especially boars, reserve sows, can exercise every other day or every morning and evening for about 1 hour, to fully exercise bones. Second, carry out early weaning and increase the number of births per year. Third, the use of new technology to improve the birth rate. For sows that have not yet come into estrus 10 to 15 days after weaning, hormones or traditional Chinese medicine can be used to induce estrus, such as Sinon, 1 serving per head, pregnant horse serum gonadotropin, 1000 units per head, etc. Fourth, control postpartum diseases of sows and promote the healthy growth of suckling piglets: do a good job in the prevention of prenatal and postpartum constipation in sows and the pre-spinning of postpartum hysteritis and mastitis. five。 Take good care of the feed and provide high-quality full-price feed and green feed. Sixth, timely elimination and replenishment of reserve pigs.
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Prevention and treatment of common diseases in chickens-selenium deficiency (exudative diathesis)
Selenium deficiency is one of the common trace element deficiency in young chickens, and meat type and dual-purpose type are common. With chest and abdomen, thigh, subjaw, neck subcutaneous loose parts of serous exudation as the main feature, so it is also called exudative quality disease. 1. Lack of selenium in etiological feed is the main cause of this disease. The incidence of the disease was significantly different among breeds. The incidence of the early fast-growing and fast-growing meat type and dual-purpose type was much higher than that of the egg type. The age of the disease was from 14 to 70 days old.
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Diagnosis and treatment of porcine trichiasis
Porcine trichiasis, also known as porcine hair tail nematode, is a parasitic disease caused by hair tail nematode parasitic in the cecum of pigs. The disease is widely distributed and can occur all the year round, which has been a common problem affecting the pig industry for a long time. The disease occurs in both intensive and free-range pigs, especially in some aging and poorly managed pig farms. Piglets are particularly vulnerable to whipworm, and those with severe infection often lead to death. every year, the pig industry suffers huge losses as a result of the disease. The eggs of whipworm are excreted with feces and develop into sensation after about 3 weeks.
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