According to the epidemic situation of swine diseases in recent years, pig diseases have occurred more frequently in the late autumn than in other seasons, and are mostly concentrated in September-November. I summed up the reasons for their multiple occurrences and their prevention and control countermeasures for reference only by my colleagues.
First, the reasons for multiple pig diseases:
1. During the season when the heat evil enters the body, although the pigs have just passed through the hot weather, their constitution is still weak. Some pathogenic microorganisms take advantage of the opportunity to live in pigs and put the pigs in a sub-health state.
2. Feed mildew feed is prone to mildew in the summer due to improper storage or handling, and the pig farmers are not willing to discard it. It is not known that mycotoxin is an immunosuppressive factor that can damage the pig's immune system. Large quantities can also cause pigs. Only poisoning.
3. The biting of mosquitoes and flies as the weather cools, the relative increase of mosquitoes and flies in pig houses, on the one hand affect the rest of the pig, and more importantly, it can spread the pathogen and increase the chance of disease.
4. Moisture attack In autumn, when the rain is often rainy, the humidity of the air increases, and pigs living in humid environments are prone to colds, diarrhea, rheumatism, and eczema. At the same time, moisture is also conducive to the breeding of pathogenic microorganisms.
5. Disparity in Temperature Differences The temperature difference between late afternoon and late fall is large, and the weather is fickle and hot and cold. Pigs are prone to colds and cause other diseases or multiple mixed infections.
Second, prevention and control measures:
1. Supplementary nutrition Add electrolytic dimension in the usual compound feed, especially supplement VC, VA, VE, relieve all kinds of stress that the pig receives, and strengthen the body's resistance to disease.
2. Insect extermination The use of mosquitoes and flies both kills mosquitoes and flies within the house, and also periodically removes the body's internal and external parasites in order to cut off the transmission routes caused by live animals such as parasites and insects.
3. To solve the contradiction between heat preservation and ventilation. Households pay attention to ventilation, and households pay attention to heat preservation. It can both eliminate harmful gases and dust and keep pigs at a suitable temperature for survival.
4. Control humidity Most of autumn humidity is high. On the one hand, increase ventilation to reduce humidity, and place lime to absorb excess moisture.
5. Strictly sterilize a complete set of disinfection facilities, reasonably select disinfecting drugs, and according to the disinfection procedures, do thorough disinfection every time, and develop a good habit of regular disinfection without diseases.
6. Immunization According to the local epidemic, develop a scientific and reasonable immunization program, targeted vaccination of pigs, should be exempt from immunity, prevent leakage, and standardize the immune operation to ensure the quality of immunity.
7. Drug health According to the purpose of drug use, rational choice of drugs, in accordance with the dose, the course of regular implementation of drug prevention, adhere to the principle of Chinese herbal medicine, supplemented by antibiotics, to prevent the abuse of antibiotics.
8. Isolation treatment, harmless treatment found that suspected pigs were isolated and treated in a timely manner. In line with the principles of early detection, early diagnosis, early treatment, and early treatment, all dead pigs were executed according to the “four-in-one treatment†decision. Pigs are fed polyculture together to prevent contact spread.
9. Closed management of the production area is strictly prohibited to enter and exit foreign workers, vehicles, reduce the flow of pigs, adopt all-in, all-out feeding mode, the introduction of pigs should be quarantined, and isolated observation in January, the clinical manifestations of all normal before entering the circle with the same feed.
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