How to do a good job of epidemic prevention and sanitation in cattle farms

2020-11-03 15:04:14 Dy

Epidemic prevention and hygiene in cattle farms

To do a good job in epidemic prevention and sanitation in cattle farms, epidemic prevention, quarantine and other veterinary sanitation systems must be strictly implemented. Perform regular disinfection, maintain a clean and hygienic breeding environment, prevent the increase and spread of pathogenic microorganisms, frequently observe the cow's mental state, appetite, feces, etc.; timely prevent and treat diseases, plan immunizations in time, and develop scientific immunization procedures. Weaned calves and fattening cattle should be dewormed and maintained in time to kill parasites on the body surface. It is necessary to insist on brushing the cow body regularly to keep the cow body clean. Pay attention to heatstroke prevention and cooling in summer, and keep warm in winter.

1. Disinfection.

1. The choice of disinfectant. The disinfectant should be a disinfectant that is relatively safe for humans, animals and the environment, has no residual toxicity, does not damage the equipment, and does not produce harmful accumulation in the cattle. The available disinfectants are: hypochlorite, organic chlorine, organic iodine, peroxyacetic acid, quicklime, sodium hydroxide, potassium permanganate, copper sulfate, prostaglandin, and liquor. 2. Disinfection method. ① Spray disinfection. Use a certain concentration of hypochlorite, peroxyacetic acid, organic iodine mixture, trigermide, etc. Spray disinfection with a spray device is mainly used for spray disinfection after cleaning the cowshed, disinfection of the environment with cattle, cattle farm roads and surroundings and vehicles entering the farm area. ② Infiltration and disinfection. Wash hands, work clothes or rubber boots with a certain concentration of an aqueous solution of a mixture of neogermide and organic iodine. ③Ultraviolet disinfection. Permanent ultraviolet light is irradiated at the entrance of personnel to achieve sterilization effect. ④Spray disinfection. Sprinkle quicklime or caustic soda around the barn, entrance, delivery bed and under the cow bed to kill bacteria and viruses. 3. Disinfection system. ① Environmental disinfection. The surrounding environment of the cow house includes the sports field, disinfected with 2% caustic soda or sprinkled with quicklime once a week; around the field and inside the sewage tank, defecation pit and sewer outlet, disinfected with bleaching powder once a month. Set up disinfection tanks at the gate and entrance of the barn, using 2% caustic soda solution. ② Personnel disinfection. Workers entering the production area should change their clothes and sterilize with ultraviolet light for 3-5 minutes. Work clothes should not be worn outside the site. ③ Sterilize the barn. The cowshed should be thoroughly cleaned, rinsed regularly with a high-pressure water gun, and spray disinfected and fumigated. ④ Disinfection of utensils. Sterilize feeding utensils, feed troughs and feed carts regularly. Use 0.1% neoceramide or 0.2-0.5% peracetic acid for disinfection. Daily utensils such as veterinary utensils, midwifery utensils, and breeding utensils should be thoroughly disinfected before use And cleaning. ⑤ Environmental disinfection with cattle. Regular disinfection of the environment with cattle is beneficial to reduce pathogenic microorganisms in the environment. The medicines that can be used to disinfect the environment of the cattle are: 0.1% Promethazine, 0.3% Peroxoacetate, and 0.1% Sodium Hypochlorite to reduce the occurrence of infectious diseases and hoof diseases. Environmental disinfection of cattle should avoid contamination of the feed with disinfectants. ⑥Before giving birth, breeding, injection treatment and any contact operation of beef cattle, the relevant parts of the cattle such as the udder, vagina and hindquarters should be disinfected and wiped to ensure the health of the cattle.

2. Immunization and quarantine.

Cattle farms should select appropriate vaccines, immunization procedures, and immunization methods in accordance with the requirements of the Animal Epidemic Prevention Law of the People's Republic of China and supporting regulations, combined with local actual conditions, to selectively vaccinate against diseases. Foot-and-mouth disease vaccine must be vaccinated at least twice a year.

3. Disease control and eradication.

When a disease or a disease is suspected on a cattle farm, the following measures should be taken in a timely manner in accordance with the Animal Epidemic Prevention Law of the People's Republic of China: The veterinarian on the farm should make a diagnosis in a timely manner and report the epidemic to the local animal husbandry and veterinary management department as soon as possible. If foot-and-mouth disease is diagnosed, the cattle farm should cooperate with the local animal husbandry and veterinary management department to implement strict isolation and culling measures on the cattle; when tuberculosis, brucellosis and other diseases occur, the cattle should be cleared and purified to culminate the positive Cattle. The whole site is thoroughly cleaned and disinfected. The carcasses of dead or eliminated cattle shall be treated in accordance with the "Regulations for the harmless treatment of livestock and poultry carcasses and their products" GB16548. )get on.

4. Treatment of sick and dead cattle and products.

Sick cows caused by non-communicable diseases or mechanical trauma should be treated promptly. Dead cows should be treated in a timely manner for harmless treatment. After infectious diseases occur in the cattle farm, sick cows should be isolated in time, and dead cows should be harmless Treatment should meet the requirements of GB16548.

5. Waste disposal.

Manure storage tanks should be set up at the downwind of the production area in the site area, and manure and other dirt should be managed in an orderly manner. The bedding, dirt and feces in the cowshed and sports grounds should be removed in time every day, and the feces and dirt should be transported to the manure storage tank. Treatment facilities such as cow dung urine, litter and dirt should be installed in the farm, and the waste should follow the principles of reduction, harmlessness and resource utilization.

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