Prevention and treatment of necrotic bacilli in cattle

Necrobacillosis is a chronic infectious disease caused by Clostridium necrosis. in clinic, tissue necrosis is common, such as skin, subcutaneous tissue and digestive tract mucosa, and metastatic necrosis can also be formed in the viscera.

First, symptoms.

The incubation period is 1-3 days. The common diseases in cattle are rotten hoof disease and diphtheria. The former is common in adult cattle. At the beginning of the disease, there are holes and holes in the bottom of the hoof, and there are necrotic and decaying inflammatory products. It is black and smelly like water, in addition, abscesses, pus leakage and surrounding skin necrosis are formed between the toes, the crown of the hoof and the heel. Inflammation can spread to synovial sac, tendon, ligament, joint and bone serious hoof box fall off, the disease can not afford to lie down, there are systemic symptoms, elevated body temperature, poor appetite, pulse, respiratory increase, and even sepsis and death. Liver abscess and necrotizing uterine inflammation can also occur.

Calf diphtheria, the initial body temperature rises to more than 41 ℃, yellow purulent secretions flow from the nostrils, cellulose necrotizing inflammation occurs in all parts of the oral mucosa and pharynx, the mucosa is rough with gray pseudomembrane, and ulcers are formed after exfoliation. Calves with pharyngitis have mandibular edema resulting in inability to swallow and severe dyspnea, which can lead to death when the disease spreads to the lungs or metastases the viscera.

Second, prevention and control.

1. Treatment.

(1) foot rot, remove the mud from the hoof, then wash thoroughly with 1% potassium permanganate, wipe with 1:4 formalin and pine pomegranate oil mixture, bandage, sick cattle are raised on dry floor or cement floor, abscess should be cut open and discharge pus, then remove necrotic tissue, wash with hydrogen peroxide, and then bandage with iodoform sulfonamide mixture.

(2) remove the pseudomembrane of diphtheria, rinse with 1% potassium permanganate and then apply iodine glycerin several times a day. Use antibiotics such as tetracyclines, floxacin and sulfonamides when you have systemic symptoms, and supplement vitamins.

two。 Prevention.

Barn regular disinfection, to keep clean, dry, timely removal of feces and urine, sports ground drainage is good, early detection of hoof trauma and timely treatment.