Sudden bovine death syndrome

Sudden bovine death syndrome is a new disease that occurs all over our country in recent years, which has attracted much attention. Its characteristic is the disease is lazy, the symptom is not obvious, the death is quick, often does not have time to treat namely dies. It does great harm to the industry.

(1) cause of disease

There are many reports on the etiology of the disease in recent years, but there is no final conclusion, which can be summarized as follows:

1. Cattle mistakenly ate grass or feed dyed with fluoroacetamide masonry.

2. Cattle infected with type A Weishi seedlings caused the disease, or mixed infection of this bacteria with Baqing clubbing, or pathogenic Escherichia coli.

3. Acute death caused by severe selenium deficiency in cattle.

(2) symptoms

Cattle scattered in feeding, service, shortly after eating or rest, suddenly fell ill and died. The disease is characterized by acute onset and quick death. Most of the cattle suffered from acute, frequent whining, panic, white or dark red foam at the mouth, reverse hair on the back of the neck and chest, tremor of the muscles of the shoulder blades and hind limbs, normal or hypothermia, suddenly fell to the ground, limbs moved, and died within 2 hours.

(3) Prevention and treatment

1. Comprehensive preventive measures should be taken to prevent the disease. In the areas where fluoroacetamide poisoning occurs frequently, appropriate transmission should be strengthened to prevent rat poison from polluting forage or feed. For selenium-deficient areas, cattle should be given selenium-containing vitamin E regularly. In the areas where Clostridium welchii type An is the main infection, multiple Clostridium welchii vaccine can be selected to immunize cattle regularly.

2. Treatment due to sudden bovine death syndrome is acute, die quickly, often too late for diagnosis and treatment, or do not wait for veterinarians to arrive, sick cattle have died. The diagnosis of this disease mainly depends on postmortem examination. Stomach contents can be collected for toxicological analysis, and intestines can also be collected for bacteriological examination.