Raising pigs to avoid inbreeding
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Many animal husbandry and veterinary stations in townships and villages are mainly engaged in castration, disease treatment and epidemic prevention. They have few problems in scientific breeding, and have little guidance and supervision. As a result, disorder in the pig breeding market has occurred, and inbreeding has occurred from time to time.
Inbred offspring pigs have weak resistance, high incidence, and a growth rate equivalent to only 50% of non-inbreeding pigs. Some pigs raise only 100 kilograms for 8 months; some pigs are deformed and bent and cannot stand; some have hernias. As to whether pork nutrition is affected, it remains to be studied.
In short, inbreeding has seriously hampered the development of China's pig industry and should be given full attention. Therefore, it is recommended that the agricultural (animal husbandry) management departments at all levels should pay full attention to the improvement of pig breeds. The township animal husbandry and veterinary stations serve as grass-roots units and must carry out a comprehensive survey of their local boars and sows, establish breeding pig archives, propose scientific breeding programs and specific rules for preventing close relatives from mating. Male and female breeding pig breeders are required to provide records of past mating. Sow-rearing households are required to provide proof of non-inbreeding to farmers who purchase piglets. At the same time, township veterinary stations must take various forms to promote the harm of pigs' inbreeding to farmers, guide pig farmers to avoid inbreeding pigs, and not to purchase or feed inbreeding pigs.
