Gangrenous mastitis in dairy cows treatment - aquaculture industry

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The disease mostly occurs in a few days after delivery, the formation of a large area of breast tissue necrosis, leading to sepsis caused by severe systemic symptoms, is a high mortality rate of mastitis.





One cause 1, pathogenic bacteria: E. coli is mainly, but Staphylococcus aureus, anaerobic bacteria, pyogenic bacteria, Bacillus, Clostridium spp, Actinobacillus spp, Listeria genus Bovine Brucellosis can also cause infection is so.
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2, Route of infection: bacteria invade the breast have three ways, namely milk path, source path of blood, lymphatic source path. Generally believed that bacteria invade the breast through the nipple tube is the most important ways; but suffer enteritis, peritonitis, traumatic Web diseases such as gastritis and puerperal fever, the bacteria with the blood is transported to the breast, can also cause hair by breeding disease; When the occurrence of breast or nipple skin wounds, scratches and other injuries, the bacteria enter the lymph through lymphatic site of injury, the subcutaneous tissue along the lymphatic invasion, and finally against the breast tissue.





3, the main factors for infection: less hair, the blood supply more high-yielding cow breasts, sagging breasts or severe swelling is severe postpartum breast are very susceptible to this disease.





II symptoms Especially acute in the case of sudden loss of appetite or waste must, body temperature rose to more than 4l , hunched over hard back, stand up difficulties, shortness of breath, increased pulse rate, body hair against the legislation, muscle tremors, ruminant stop, diarrhea and dehydration, all breast swelling, often to the hind legs from hypogastrium swelling. The formation of the breast skin, or pale purple color part of the round, with cool sense of lesions in other parts of redness and hot feeling. By anaerobic bacteria infection, breast subcutaneous emphysema, milking out of gas when the can was infected breast pain intense, and some breast skin ulceration caused by drainage and necrotic tissue. Milk yield declined rapidly in early disease was water-like milk, blood or pus samples were after, some have a strong odor of corruption.





3, diagnosis Analysis based on the cause, breast examinations, breast milk bacteriology laboratory test results for diagnosis.





4, control Feeding and management should be strengthened first of all, careful nursing cows, a lot of grass to the cows mattress shop, and always stood up for to prevent the occurrence of bedsores. Second, many eyes will be taping a plastic tube with one end tied to the breast, the other end of the cold water in the cooling water pipe irrigation breast, this approach also results than smear anti-inflammatory agent.





In treatment, should be intravenous or intramuscular antibiotics or sulfa preparations, until systemic symptoms disappeared, to prevent sepsis; to improve the symptoms of dehydration, with the compound sodium chloride injection, saline solution , glucose and vitamins for infusion; according to symptoms of injectable adrenal cortex hormones; in the early stages, can be external pudendal artery injection of antibiotics, usually penicillin 1.6 million IU, 40 ml water for injection, diluted once injected, 2 times a day ; from the nipple into the drug; condition is serious, as appropriate, a time before all the housing distribution or breast surgery, cured beef cattle used as a high yield of valuable breeding cows can only be used to do.