Comprehensive prevention and treatment of heatstroke in cattle

Heat stroke in cattle is a common disease in summer and autumn, especially in service cattle and calves. If the prevention and treatment of heat stroke in cattle is not timely, it will often cause death or seriously affect the progress of farming, which should be paid great attention to.

Etiology and symptoms

Heat stroke in cattle is the general name of solar radiation disease and heat radiation disease. In the hot season, the head of cattle is exposed to intense sunlight, resulting in cerebral and meningeal vascular congestion and substantial brain lesions, resulting in solar disease. The barn is narrow, low, hot and humid, poorly ventilated; overweight service and insufficient drinking water; walking on cement or sand for a long time; long-distance transportation and congestion cause difficulty in heat dissipation, heat accumulation and sharp rise in the body, resulting in heat radiation disease. Summer in cattle often occurs suddenly in the hot season. The sick cow is mentally depressed or excited; slow and unstable, body shaking; sweating, body temperature up to more than 42 ℃, body surface hot; dyspnea, tongue protruding; conjunctival flushing, dry mouth, loss of appetite or increase; late high fever coma frustrated, lying on the ground can not afford, foaming at the mouth, muscle tremor, conjunctival cyanosis, spasm and death.

II. Comprehensive prevention and control

1. Precautions. The construction of the ① barn should be spacious, cool and ventilated; it is forbidden to cover the roof of the barn with linoleum and plastic film. ② service cattle should work in the morning and evening in the hot season and rest at noon; they should also rest from time to time and drink plenty of water properly. ③ cattle should be tied up in the shade to rest in summer and autumn. ④ hot season transport cattle should be carried out in the morning and evening and prevent overcrowding; do not walk on cement, sand (stone) for a long time. ⑤ should wash the beef frequently in summer and autumn to keep it clean and cool. When ⑥ is hot, cattle should drink 3-4 small bottles of "ten drops of water" before working (500ml-1000ml cold water for people).

two。 Comprehensive treatment. 1. Quickly put the sick cow in a cool and ventilated place, splash yourself with cold water, enema with cold water, drink cold water frequently, and put ice bags on the head if possible. two。 Intramuscular injection of 2.5% chlorpromazine solution 10ml or mixed with normal saline intravenous drip, can cool down and prevent collapse. 3. Cardiotonic injection, followed by intravenous bloodletting of 1 liter, followed by infusion of 2 liter compound sodium chloride solution or normal saline or balance solution, can maintain cardiopulmonary function. 4. Intravenous injection of 20% mannitol or 25% sorbitol 500ml or 50% glucose solution 300ml 500ml can reduce intracranial pressure. 5. When the cow is excited and restless, 100ml of bromine solution can be injected intravenously, which has a sedative effect. 6. 45 grams of mast, 50 grams of Forsythia suspensa, 150 grams of floating forsythia forsythia, 40 grams of Yuanzhi, fried sauce to wait for cold, add 10 eggs and egg whites, one time. 7. 65 grams of cypress kernel, 30 grams of ochre (calcined fine powder), 300 grams of watermelon peel, a total of 3.5 liters of juice was obtained by boiling twice, and then 200 grams of sugar and 10 grams of salt were added three times a day. 8. 45 grams of Elsholtzia splendens, 35 grams of Coptis chinensis, 100 grams of white lentils, 65 grams of sour jujube kernel, fried twice to get a total of 3 liters of juice, Hou Leng plus 10 eggs, twice a day. 9. Fresh human urine 300 million 500 milliliters, washed eggs 3 million 5, one filling. 10. 1250 grams of fresh lentil leaves, 50 grams of fresh towel gourd flowers, 100 grams of raw mung beans, 40 grams of Tribulus terrestris, a total of twice fried to get 3 liters of mixed juice, twice a day. 11. 300 grams of fresh lotus root, 250 grams of fresh root, 30 grams of lotus seed heart, 40 grams of yellow sheep horn or white goat horn (end of file), a total of 4 liters of juice obtained by smashing the decoction twice and filling it three times a day. twelve。 2.5 liters of raw soybean milk, 250 grams of sugar, mix well, one time. 13. Mash 1000 grams of leek, squeeze juice after a little cold water, mix 150ml vegetable oil, 200g sugar, 5 eggs, one time. 14. 200 ml of aged vinegar, add the right amount of water, a filling. 15. 500-700 grams of fresh Solanum nigrum, 200 grams of brown sugar, 1 dose a day, 2 doses in a row. 16. 250 grams of Artemisia annua, 300 grams of mung beans, fried soup for juice, cool after adding 300 ml of child stool, an irrigation. 17. Cut balsam pear into thin slices, evenly sprinkle 3000 grams of salt, rub hard and squeeze 500ml juice, once.