Although it has recently begun to fall, the temperature remains high during this time. The breeders of cattle will suffer from heat stroke symptoms in hot weather. Then, what matters should be paid attention to in high temperature weather cattle? The reporter interviewed Professor Lin Qing of Animal Science and Technology College of Northwest Agriculture and Forestry University on this issue and asked him to support the farmers.
Pay attention to heatstroke cooling Lin Qing said that the sweat glands of cattle are underdeveloped and relatively afraid of heat, so when the temperature in the cowhouse exceeds 30°C, it will hinder the distribution of calories on the bovine body surface. At the same time, the cowshed contains a large amount of ammonia, and the long-term concentration Large, it will reduce the resistance of cattle, the incidence increased. Therefore, the summer cowshed must be ventilated, which can not only reduce the temperature of the cowshed, but also improve the air quality of the cowshed. In addition, if the cow appears stunned coma, gait instability, spit foam, body tremors, high body temperature symptoms, then cattle may have a heat stroke, this time should immediately lead the cow to a cool, ventilated place, cold salt water irrigation , with 25 °C water boiled whole body or wash your head with cold water, cold water can also be enema.
Doing a good job in cattle body and environmental sanitation Lin Qing told reporters that farmers should brush and clean the feeding trough and cattle bed after each cow trough, and perform fermentation treatment on the excreted feces in a timely manner. The children were sprayed and disinfected, and the cesspits were filled in to prevent the breeding and interference of mosquitoes and flies. "In the summer season, there are more mosquitoes and flies. Not only does it bite the cattle, it affects the cattle's rest, but it also spreads the disease." Lin Qing said that farmers can add screens to the cowshed to prevent mosquitoes and flies from biting the cattle body; The type of barn, it is very difficult to disperse mosquitoes and flies, can use 0.1% - 0.5% solution of trichlorfon to spray the bovine body, but when the drug is used to prevent the concentration is too high and the liquid infiltration into the body of the cow to prevent poisoning.
Strengthen Drinking Water and Feeding Management Lin Qing stated that free drinking water tanks should be set up on sports grounds and rooms, and appropriate water injection should be used to ensure constant water supply. Conditionally available low-temperature water can not only meet clean drinking water, but also play a good mitigating role in heat stress. At the same time, 0.5% of salt can be placed in drinking water to promote digestion of cattle and ensure the normal metabolism of bovine salt. At the same time, Lin Qing reminded farmers that when feeding fodder, they should pay attention to feeding more green and juicy succulent feeds that are conducive to cooling, and do not feed hot forages. Try to feed at night. Due to the heat during the day, the appetite of cattle is reduced, and at night the temperature is low. Feeding forages and feeds can increase their feed intake, and must not be used to feed cows with corrupted grass, fruits, and bad residue feeds to prevent poisoning.
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