What are the precautions for the use of veterinary biological products?
(1) Understand the epidemic situation of infectious diseases in the local area, and carry out prevention before the epidemic season for certain infectious diseases.
(2) Before prevention, the breed and health status of the animals to be injected should be understood in detail. Any livestock (poultry) that is thin and weak, has chronic diseases, is in late pregnancy, or is under poor feeding and management should not be used.
(3) Before prevention, it should be determined whether there is an epidemic in the local area. If there is an epidemic, it should not be used.
(4) Before use, carefully check whether the instructions match the bottle label. If they do not match, use is strictly prohibited and the manufacturer should be contacted promptly. Clearly understand the fill volume, diluent, dilution, dose per animal, method of use and relevant precautions. These should be strictly observed to avoid affecting the effect and to prevent accidents.
(5) Before use, the production date, expiry date, storage and transport method and time of the drug should be understood, with special attention to various relevant factors that may cause the drug to become ineffective, such as high temperature, sunlight, freezing, mildew, and expiration. Any drug with cracked glass bottles, loose bottle stoppers, or color, physical properties, etc. inconsistent with the instructions must not be used.
(6) The storage and transport temperature of all biological products must meet the requirements of the instructions, and sunlight and high temperature must be strictly prevented. This is especially true for freeze-dried vaccines, which require low-temperature storage; after dilution they lose effectiveness more easily, and even when cooled with cold water, they should be used within four hours. Aluminum hydroxide and oil emulsion vaccines must not be frozen, otherwise their effectiveness will be reduced or lost.
(7) Strict disinfection should be carried out during the preventive injection process. Syringes should be cleaned and boiled, needles should be replaced for each animal, and one syringe must certainly not be used for multiple vaccines. When drawing the drug, never use a needle that has already been used to inject an animal to draw it. A sterilized needle may be inserted into the bottle stopper and left there, wrapped with squeezed-dry alcohol cotton, for the sole purpose of drawing the drug. The drawn liquid should not be injected back into the bottle. Before drawing the drug, first remove the sealing wax, and wipe and disinfect with 75% alcohol cotton. The injection site should be clipped and disinfected, otherwise accidents will be caused. Antibiotics and antibacterial drugs such as sulfonamides must not be used within 10 days before and after immunization with attenuated live vaccines.