According to the National Office for the Prevention and Control of HPAI, the polyculture of chickens, ducks, geese and pigs may lead to the occurrence of bird flu. The expert said that poultry should not be polycultured with pigs, poultry flu viruses can be transmitted to pigs, and human influenza viruses can also be transmitted to pigs. Because the influenza virus has 8 different nucleic acid fragments, when the two different virus particles co-infect a cell, the nucleic acid fragments will recombine and align to produce new influenza virus particles. This new type of influenza virus particles is often Can form a big epidemic, causing great harm. In addition, chickens should not be polycultured with ducks, geese, and other waterfowl because of the high carrier rate of various subtypes of influenza viruses in waterfowl, and some do not show any clinical symptoms. Viruses in the feces can cause chickens to infect chickens. The occurrence and prevalence of influenza has led to serious economic losses.
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