Prevention and treatment of bovine necrotic bacilli
Necrobacillosis is a chronic infectious disease caused by Clostridium necroticum. It is clinically common to see necrosis of skin, subcutaneous tissue and digestive tract mucosa. Metastatic necrosis can also be formed in internal organs.
I. Symptoms.
The incubation period is 1~3 days. The common diseases of cattle are foot rot and diphtheria. The former is more common in adult cattle. At the beginning of the disease, lameness, small holes and holes can be seen at the bottom of the hoof, and there are necrotic inflammatory products. It was stained black and smelly, and in addition, abscesses were formed between the toes, hoof crowns and hoof heels, purulent leakage and surrounding skin necrosis. Inflammation can affect synovial bursa, tendon, ligament, joint and bone serious hoof box fall off, seriously ill lying on the ground do not rise, appear systemic symptoms, temperature rise, poor appetite, pulse, respiratory rate increase, even sepsis and death. Liver abscess focus and necrotic metritis may also occur.
Calves diphtheria, the initial body temperature increased to 41℃ above, yellow purulent secretion from the nostrils, in the oral mucosa and pharynx cellulose necrotic inflammation occurs, the mucosa is rough with gray pseudo-membrane, after falling off to form ulcers. Calves with pharyngitis have edema of the jaw, resulting in inability to swallow and severe breathing difficulties. When the disease spreads to the lungs or metastasizes to the internal organs, it can lead to death of the sick cow.
II. Prevention and control.
1. Treatment.
(1)Foot rot: remove sludge from hoof, clean thoroughly with 1% potassium permanganate, rub with 1:4 mixture of formalin and pine oil, bandage, raise sick cattle on dry floor or cement floor, cut abscess first to drain pus, then remove necrotic tissue, clean with hydrogen peroxide, and bandage with iodoform sulfonamide mixture.
(2)Diphtheria first remove pseudo-membrane, rinse with 1% potassium permanganate and then rub iodine glycerin, several times a day, there are systemic symptoms when the application of antibiotics, such as tetracycline, floxacin, sulfonamides, and vitamin supplements.
2. Prevention.
Cattle house regular disinfection, to keep clean, dry, timely removal of feces and urine, good drainage playground, hoof trauma early detection and timely treatment.
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