Causes and treatment of allergy to pig vaccine?

In the process of pig vaccination, pig allergy will inevitably occur, if the rescue is not timely, it will often lead to pig death. So why do pigs have vaccine allergies? How to save it when it happens? Come and have a look with the editor.

1. Causes of allergy to porcine vaccine

There are four main causes of pig vaccine allergy, one is that the vaccine contains foreign proteins, or that the vaccine itself is propagated from other specific cells, but because of improper treatment, allergies are caused after injection. Second, vaccine adjuvants are also an important factor in allergic reactions in pigs. Mineral oil and other components of immune adjuvants can cause a series of allergic reactions. Third, pig breeding body differences, different breeding methods, breeding environment for vaccine allergic reaction is not the same. Fourth, vaccination in the early stages of pregnancy in sows may also affect the immune response of piglets after giving birth, which is also a kind of vaccine allergic reaction.

2. Allergic symptoms of porcine vaccine

The symptoms of different degrees of allergic reactions are different. generally speaking, if it is a mild allergic reaction, it will generally show loss of appetite, poor spirit and so on. The occurrence of acute allergic reaction is that 15 minutes after injection, there will be asthma, accelerated breathing, foaming at the mouth, general convulsions or skin redness, measles and so on. There is also a quick allergic reaction, which occurs most quickly and usually falls into shock within a few minutes of the injection.

3. Treatment methods

When the pig injects the vaccine to appear the allergic reaction, must take the countermeasure immediately, the general live pig which is allergic to the Chinese cabbage heart can immediately mainly is the hydrochloric acid adrenaline, each head 1-2 milliliters. Second, you can also use 1% atropine sulfate for intramuscular injection, usually 3 milliliters for big pigs and 1 milliliters for piglets. If the pig has a high fever, penicillin can be injected with an appropriate amount of compound aminopyrine; and if it is loss of appetite, vitamin immune enhancer can be used; it is best to aggravate the allergic reaction by stress reaction and keep the environment quiet and reduce stress reaction.