Vaccines are biopharmaceuticals used to prevent animal infectious diseases. They include inactivated vaccine (killed vaccine) and attenuated vaccine (live vaccine). They are different from ordinary chemicals and are more afraid of light and heat, and some are afraid of freezing. These factors directly affect the quality of the vaccine, ultimately affect the immune effect, and even lead to immune failure. In order to ensure that the quality of the vaccine is not affected, the vaccine should be properly preserved, transported and used. 1, purchase. The vaccine purchased should be a vaccine developed by a veterinary research unit that has been proven to have very good immunity. At the time of purchase, you must face-to-face inspection. Do not purchase any bottles that are not bottled or expired, or bottles are cracked, loose or loose, or have no detailed instructions, or if the bottle's vaccine properties do not match those described in the manual. 2, transport. Pack properly before transport to prevent breakage. Avoid high temperatures and direct sunlight during transit. Ship at low temperatures. Use a refrigerated truck when transporting a lot of goods, and put it into a wide-mouth thermos bottle containing ice cubes when it is small. However, inactivated seedlings should be prevented from freezing during the cold season. 3, save. The purchased vaccine should be used as soon as possible. Those with a shorter use time (1-2 days) are placed in a dark, dry environment with a temperature of 2-15°C, such as a cellar or a refrigerator freezer; those with a small amount can also be stored in a wide-mouth frozen bottle containing ice cubes. Those who need a longer period of time to save, attenuated virus vaccine stored in the refrigerator freezer (below 0 °C) frozen preservation, inactivated vaccines stored in the refrigerator freezer. Pay attention to prevent expired. 4, use. Check before use. Prior to immunization, the used vaccine was carefully examined. The instructions (name, batch number, usage, dosage, and expiration date) on the bottle must be clear. The bottles and stoppers shall be free of cracks, and the color of the bottles shall be normal. There shall be no foreign matter, no mold growth, or they may not be used. Use process. Without dilution of the vaccine, remove the sealing wax from the stopper and disinfect the stopper with an alcohol swab. To inoculate the vaccine by injection route, a sterile needle is fixed on the stopper to suck the liquid. After the liquid is sucked, it is not pulled out. It is wrapped in alcohol cotton to be sucked again. Inject the used needles into the animals. Do not inhale the fluid to avoid contaminating the vaccine. The attenuated lyophilized vaccine or the vaccine that needs to be diluted can be used. Add special diluent as required. Diluted with normal saline or pure cold water. Do not use chlorine. Tap water and hot water are diluted. When aspirate and dilute the vaccine, it must be fully shaken to make it evenly mixed. Residual or residual vaccine liquid treatment. Bottle stoppers or diluted vaccines have been opened and must be used up on the same day. Unvaccinated vaccines are discarded after heat treatment to prevent contamination of the environment. The unused vaccine in the inhalation syringe should be injected into a special empty bottle and treated beforehand.
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