1. Several small concepts that farmers must know

Animal Epidemic Prevention, Control and Extermination of Animal Epidemic Diseases and Quarantine of Animals and Animal Products. In the narrow sense, animal epidemic prevention is to prevent a certain animal epidemic. After the animals are vaccinated against it, an obvious immunity against the epidemic is produced, that is, the occurrence of animal epidemics can be prevented by vaccination. .

Epidemic prevention refers to the preventive measures that take all means to exclude a certain infectious disease from an uninfected animal group. Prevent an infectious disease from entering an uncontaminated area through a variety of isolation facilities and quarantine measures; or protect animals from disease hazards through measures such as immunization, drug prophylaxis, and environmental controls.

Disease control refers to the prevention and control measures to reduce the morbidity and mortality of a certain infectious disease already existing in the animal group by adopting various methods, and to limit the infectious disease to a local scope and eliminate it on the spot. It mainly includes methods such as isolation, disinfection, treatment, emergency immunization or blockade of epidemic areas, and eradication of infectious sources of sick animals, so as to prevent the spread of epidemic diseases in susceptible animal groups.

Epidemic eradication refers to the collective term for taking various measures to eradicate one or several pathogenic microorganisms in a limited area. Through conscientious implementation of veterinary comprehensive epidemic prevention measures, strict legislation and law enforcement, timely selection and slaughter of infectious sources, quarantine and isolation, slaughter and elimination of sick animals, group immunization, strict disinfection, and control of transmission media and other measures.

Epidemic purification is a state in which some or some animal infectious diseases in a certain area or farm are gradually eliminated within a limited time by taking technical measures such as quarantine, disinfection, culling or elimination.