Adhering to the development principle of technological innovation.
Determining when to vaccinate and which vaccines to use is a major concern for poultry farmers, especially large-scale operations. It is important to recognize that no universal immunization program exists. Blindly adopting another farm's program may
Immunization is a critical component of comprehensive avian disease prevention measures. However, in practical production, failures to achieve expected results after vaccination occur frequently due to various reasons.
