农村生猪养殖存在的问题及应对措施（Problems and Countermeasures of pig breeding in rural areas）.docVIP

农村生猪养殖存在的问题及应对措施（Problems and Countermeasures of pig breeding in rural areas） First, the existing problems 1. pig source confusion, breed improvement consciousness is not strong Pig farmers in rural areas in basically no lean purebred pigs, sows breeding period is too long, some up to ten years, the advantages of variety degeneration, and boar quantity, long-term use of 1~2 pig breeding, pig farmers did not consider the blood relationship and inbreeding, genetic disease of piglets increased, increased mortality; part of the pig farmers when the lack of common sense to buy piglets, piglets breeding and genetic quality does not understand very, coupled with shock, transportation, environment and feed the change of stress factors, the repurchase of piglets prone to disease, such as fever, diarrhea, edema, paratyphoid fever and other diseases, cause some loss. 2. poor feeding environment The pig pig farming in rural asbestos structure simple, cold winter, hot summer, the pig strong stress response, influence of pig growth; poor sanitation, clean the feces is not timely, causing environmental pollution, and even spread of disease; pigs too close, crowded, there is no certain activities, the exchange of personnel and vehicle noise the pig long term stress, no quiet rearing environment. 3., the prevention and control of disease is not scientific enough Vaccination can reduce the incidence and prevalence of many diseases, such as foot-and-mouth disease, swine fever, highly pathogenic PRRS, pseudo rabies vaccination must rely on to solve, some farmers think the epidemic prevention does not reduce spending, reduce stress, and afraid of trouble, can have immunity, but there are also the problem with method is not correct, inoculation dose is not enough, not up to the purpose of immunization Miebing; disease treatment, drug use, drug use disorder, there is a serious illness TouYi phenomenon, without diagnosed after medication, the dosage is insufficient, resulting in prolongati