Chicken Vaccine: Good Preservation to Effectiveness
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Many chicken farmers now purchase vaccines from manufacturers or veterinary drug administrations to inoculate chickens. This should be promoted and promoted. However, many farmers have mistakenly believed that the vaccine should be stored in a low-temperature environment during the transportation and storage of the vaccine, and the lower the temperature, the better. Therefore, regardless of the type of vaccine, they keep all vaccines in ice bottles or refrigerators below zero (freezing). This is not entirely correct. Because the chicken vaccines are various, such as commonly used vaccines include Newcastle Disease Virus I vaccine, Newcastle Disease Virus II vaccine, and Newcastle Disease Virus III vaccine; commonly used vaccines include poultry cholera aluminum hydroxide vaccine, infectious rhinitis vaccine, large intestine. Bacilli seedlings and so on. These different vaccines have different temperature requirements during transport and storage. The first three vaccines are live attenuated vaccines and must be kept at zero temperature (frozen) under low temperature conditions to avoid high temperatures and sunlight, or they will fail. The latter three vaccines, such as the avian cholera hydroxide bacterin, will not be able to survive under freezing (freezing) and their optimum storage temperature is 2°C to 14°C. If the temperature is too high, the shelf life will be shortened, but it will not be frozen. After freezing, it will destroy its performance and lose its immune characteristics. Therefore, there should be a difference in temperature for transporting and storing different chicken vaccines.