Animal injection booster for animal husbandry and veterinary medicine

The utility model discloses an animal injection booster for animal husbandry veterinarians in the technical field of veterinarians, which comprises an injector main body, a needle head connected with the lower end of the injector main body, a piston arranged at the end part of a telescopic column, a fixing plate fixedly arranged outside the injector main body, a battery box arranged at the top of the fixing plate, and a telescopic column arranged at the lower end of the injector main body, a pressing switch is installed at the bottom of the fixing plate, a fixing cylinder fixedly connected with the outside of the syringe body is arranged below the fixing plate, an extrusion rod is arranged in the fixing cylinder, the top end of the extrusion rod penetrates through the top of the fixing cylinder and is fixedly connected with an extrusion plate, and the bottom end of the extrusion rod penetrates through the bottom of the fixing cylinder and extends to the position below the fixing cylinder. A spring movably sle