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Why does fur animal farming emphasize emergency vaccination?
A: When a fur animal is infected with a pathogen, after the initial qualitative test, treatment with antibiotics may help control bacterial infections, but the cure rate remains limited. For viral diseases, medication can only manage secondary bacterial infections. Emergency vaccination involves administering vaccines based on the known pathogens of an ongoing infection. Once the body produces specific antibodies, it can effectively clear and neutralize the pathogen. Most vaccines begin to generate antibodies within 5–7 days post-vaccination, with antibody levels gradually increasing over time. When the antibody titer reaches a sufficient level, immune protection is achieved. Typically, within 10–15 days after emergency vaccination, new cases stop appearing, and the outbreak is controlled.
Inactivated vaccines not only protect healthy animals but also provide some level of protection to sick ones, such as in the case of viral enteritis or pasteurella vaccines. However, live attenuated vaccines can only protect healthy animals. Animals that are already infected but not yet showing symptoms—such as those in the latent phase—may experience a temporary flare-up after vaccination. This is a normal response and an expected outcome when using live vaccines, though it doesn’t affect the overall protection of the majority of healthy animals.
For example, animals in the latent stage of infection will eventually show symptoms. This is especially true for viral diseases, which are difficult to control with antibiotics alone. In cases like canine distemper in fur animals, emergency vaccination becomes essential. Without it, the disease will spread further, leading to an unmanageable situation. Therefore, timely vaccination plays a crucial role in preventing widespread outbreaks and protecting the overall health of the herd.