Existing problems in large-scale pig farms and their prevention and control programs

With the rapid development of China’s aquaculture industry, more and more intensified and large-scale pig farms have become more and more diseased in pig farms, especially after the outbreak of highly pathogenic blue ear disease in the country in previous years. The "sub-health status" of pigs generally appears. Through the technical visits to pig farms in some southern regions, the main problems still exist in current pig farms are:

New diseases emerge in endlessly

In particular, under the infection of the blue-ear virus in recent years, it has also demonstrated Haemophilus disease, ileitis, circovirus, etc., and as the degree of intensification continues to increase, some of the more stable viruses have occurred. The mutation causes new infections such as swine flu virus and blue ear virus.

The old disease still exists

Swine fever is a typical old disease. There are few typical swine fever. Mild swine fever and atypical swine fever are especially found in sow herds. Sows carry poison through the vertical infection of the placenta. The appearance of watery diarrhea, increased mortality, the presence of mycoplasma, the occurrence of respiratory disease in pigs, affecting the sub-health status of the herd, and inhibiting the growth rate of the herd.

The popularity of many pathogens is not seasonal

Previous respiratory diseases, transmissible gastroenteritis, and epidemic diarrhea mainly occurred in winter, but now it occurs in all four seasons and lasts for a long time.

Mixed infections and secondary infections

With the increase of intensive and large-scale pig farms, the occurrence of diseases is mostly mixed-sensed, with secondary bacterial infections and cross-infection between bacteria and bacteria after viral infection.

Most farms are in sub-health state and immunosuppressive state

Due to industrialization and intensive management, the density of pig farms has increased, and the invasion of high-level pathogenic bacteria in the environment has caused an increase in the stress response of pigs, which has eventually caused the sub-health status of herds.

Prevention and control plan

Reduce pathogens, do a good job in pig house cleaning and disinfection, adhere to three times a week with pig disinfection, 1 site disinfection once a week, it is recommended to use Jin Weikang, 1:600 ​​spray disinfection.

Block the route of transmission, reduce cross-infection and infection, and establish a biosafety system on the farm.

Improve the disease resistance of the herd, pay full attention to the growth of the herd, and pay attention to the feed intake, drinking water and rest habits of the herd. Reduce the stress response and do a good job of the piggery's temperature, humidity, ventilation and other work. Establish a reasonable immunization program and fully balance nutrition.

Use drugs rationally and do routine health care, stage health care and seasonal health care for herds. Recommend the use of health care programs: conventional health care programs: per ton of silver Qiao scattered 1000 grams + Muricul 125 grams + Oreica 1000 grams of material, once a month, once every 7 days; phased health program: Yin Qiao San 1000 grams + Welfert 500g + Vian 500g.

summary

The production of pig farms needs to respect the living habits of pigs, implement healthy pig raising, improve feeding management, provide a good environment, formulate reasonable immunization procedures and health care programs, and provide a reasonable mix of feed nutrition, and improve the overall immunity of herds through various means. Establish a reasonable biological safety system so that we can raise a good pig and increase the economic efficiency of the farm.

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