What are the correct ways to vaccinate against swine fever

For farms, whether it is chicken and duck poultry or pig farmers, they must pay attention to preventing the occurrence of various diseases. Among them, swine fever is a disease caused by viral cells produced by mutations in cells within the pig's body. Its main characteristics are: rapid and severe onset, and easy to spread over a large area. For pig farmers, sick pigs cannot be sold, which will cause great economic losses to the farms, so it is necessary to use the swine fever vaccine correctly to do preventive work in advance.

There are currently three types of vaccines on the market for preventing classical swine fever, namely, classical swine fever live vaccine (I) - rabbit vaccine, classical swine fever live vaccine (II) - cell vaccine, and classical swine fever live vaccine (I) - lymphosplenic vaccine.

Classical swine fever live vaccine (I) - rabbit vaccine is administered by intramuscular or subcutaneous injection. When using, dilute the amount indicated on the bottle label with sterile saline at 1 ml per head, 1 ml for both large and small pigs. Simultaneous injection with vaccine is prohibited. A few pigs may experience reactions within 1 to 2 days after injection of this vaccine, but they will return to normal after 3 days. If an allergic reaction occurs after vaccination, anti-allergic drugs such as epinephrine should be injected in time. The vaccine should be stored below -15°C away from light.

The validity period is 12 months. After dilution, the vaccine should be placed in a refrigerated container and freezing is strictly prohibited. If the temperature is below 15°C, it should be used up within 6 hours; if the temperature is between 15 and 27°C, it should be used up within 3 hours. The best time to inject is 2 hours after or before eating.

Classical Swine Fever Live Vaccine (II) - Cell vaccine can be used for both large and small pigs. According to the label, add 1 ml of sterile saline to each portion and dilute it.

Inject 1 ml subcutaneously or intramuscularly. Immunity can be produced 4 days after injection, and the immunity period after injection can last up to 12 months. The vaccine is stored below -15°C and has a shelf life of 18 months. Before injection, you should make sure that there is no epidemic in the local area. The vaccine should be diluted as needed. The diluted vaccine should be kept in a cool and dark place and used up within 2 hours. Piglets can be vaccinated with 4 doses of vaccine before weaning to prevent interference from maternal antibodies.

Classical swine fever live vaccine (I) - lympho-splenic vaccine is administered by intramuscular or subcutaneous injection. When using, dilute the amount indicated on the bottle label with sterile saline at 1 ml per head, 1 ml for both large and small pigs. Store at -15℃ or below, away from light. The shelf life is 12 months. After the vaccine is diluted, it should be placed in a refrigerated container and is strictly prohibited from freezing. If the temperature is below 15°C, it should be used within 6 hours. If the temperature is between 15 and 27 degrees Celsius, it should be used up within 3 hours. The best time to inject is 2 hours after or before eating.

In areas where swine fever is not prevalent, all three vaccines only require a single injection for piglets that have no maternal antibodies after weaning. When there is a threat of an epidemic, piglets can be injected once at 21-30 days of age and once at around 65 days of age. The injected pigs must be healthy. If they are weak, sick, have a high body temperature or have a poor appetite, they should not be injected. Various tools used in immunization must be disinfected before use. The needle that has been boiled and disinfected must be replaced every time a pig is injected. "Flying injections" are strictly prohibited. The injection site should be trimmed first, then disinfected with iodine before injection. If used in areas where swine fever has occurred, it must be strictly guided by a veterinarian and epidemic prevention personnel should observe daily within a week.