What are the symptoms of African classical swine fever in sows?

African swine fever, which began in the second half of 2018, has seriously affected China's pig industry, resulting in the death of many sows, boars and piglets. Do you know what are the symptoms of African swine fever in sows? How to prevent it?

What are the symptoms of African classical swine fever in sows?

Sows with the most acute type of African swine fever will have high fever (40.5-42 ℃), red and purple skin, bleeding spots, vomiting, nosebleed, hematochezia, abortion, and then sudden death; while the subacute type will show weight loss, occasional increase in body temperature, local skin erythema ulcers, ear, abdomen, inner thigh may appear necrosis and other symptoms.

How to prevent African classical swine fever?

1. Strengthen emergency measures to eliminate the source of infection in time by killing sick pigs and risk pigs.

two。 Ban the transfer of live pigs and their products from epidemic areas, restrict the transfer of pigs and their products from high-risk areas to low-risk areas, close the green channel for the transport of live livestock and poultry, close the pig trading market in high-risk areas, strengthen the management of pig transport vehicles, and cut off the transmission of the epidemic.

3. It is forbidden to feed kitchen leftovers to pigs, strengthen the prevention and control of large-scale pig farms and breeding pig farms, improve the level of biosafety protection of farms, and protect pigs from viruses. Through the formulation and implementation of a series of policies and measures, China's epidemic prevention and control has achieved positive results.

4. Pig pens and equipment should be cleaned and disinfected regularly. Clean the organic matter in the house, equipment and means of transport before disinfection. Vehicles and employees should be disinfected when entering or leaving the pig farm. Effective disinfectants include detergents, hypochlorite, alkali and glutaraldehyde. Equipment that is not susceptible to infection should be exposed to the sun.

5. Reduce the number of visitors, load and unload pigs around the fence, and clean and disinfect transport trucks after unloading pigs.

When the pigs in the pig farm have related symptoms, they should be reported to the local epidemic prevention department in time to do a good job of prevention.