A pig skin fungal infection characterized by pig skin lesions has appeared in a pig farm . This fungus is parasitic on the keratin and skin surface of pigs, also known as pig skin mold. The disease has small lesions of rust or brown plaque in different parts of the pig skin, which affects the normal growth and development of the pig. The diagnosis and treatment of the disease is as follows:
Incidence
The disease occurred throughout the year, mainly in small and medium-sized pigs with more symptoms and severe symptoms. The incidence has nothing to do with breeds and gender. The incidence of small and medium pigs is 5.4%-7.6%, and the mortality rate is 0.3%. In the same column, there is 1 or 2 hair diseases, and then gradually spread and spread.
Clinical symptoms and pathological changes
In the early stage of the disease, the skin of the pig was flushed, and after 2-3 days, the color gradually became purple and red, accompanied by exudative inflammation. At this time, the pig's appetite, spirit, and body temperature were not abnormal. After 2-3 days, the pig skin gradually appeared rust or brown plaque lesions. It occurs mostly in the skin of the ear, shoulders or neck, and it occurs in the limbs and even in the body. At this time, the sick pig is depressed, his appetite is diminished, his body temperature is high, his hair is loose, he is afraid of cold and lethargy, itching and grinding the wall, accompanied by diarrhea. Growth and development are blocked, and when it is severe, it collapses and dies.
Laboratory diagnosis
Scrap the molting of the lesion or the coat with the exudate, place it on the slide and add a drop of saline or methylene blue stain, cover the cover slip, and let it stand for transparent softening of the diseased material. Observe under the microscope. It can be seen that the buds on the mycelium produce round spores. According to the microscopic examination results of the disease, it was diagnosed as a fungal infection of pig skin (ie, pig skin mildew). Pig farm power network
Pig disease prevention
I have used antibiotics and other drugs for systemic treatment, and have not received satisfactory results. I have used complex sulfone and other solutions to treat the lesions. Although there is a certain effect, the pigs are slightly uneasy after the medication, and the severe symptoms will be called squatting, turning down and other side effects. Results The systemic effect of 0.2%-0.3% potassium permanganate solution was the best, and there was no side effect. After 2-3 times of spraying, it was cured and did not recur. For those pigs with secondary diarrhea, accompanied by sulfaguanidine or lactic acid, dry yeast and other drugs, have a good effect on diarrhea.
prevention
1. Strengthen the management of feeding and sanitation, and try to keep the environment clean and dry.
2, because the mold grows in the range of pH 3-6, so maintaining the alkaline environment is conducive to the prevention of this disease.
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