Daily behaviorand body temperature at low air temperature in the framework type
DOI:
https://doi.org/10.31548/ujvs2020.01.013Abstract
Abstract. The temperature of the frame cowshed type of air intended for unleaded boxing retention of lactating cows, as well as the behavior and skin temperature of animals at low air temperature were investigated.
It was found that with a decrease in ambient air temperature during the day from - 8.0 to - 22.6 °C, the air temperature in the first cowshed, calculated on 1000 lactating cows, decreased from 9.7 to - 0.39 °C, and in the second - from 2.49 to - 2.62 °C. In lactating cows, which have been exposed to low air temperature for a long time, the temperature of the skin on the head, neck, thoracic and pelvic limbs, trunk and mammary gland, whose value averaged 24.9-16.0 days in different parts of the animal's body, is reduced ° C in the first barn and 21.1 - 13.8 °C in the second. With the decrease in the air temperature in the cowshed to below-zero values, the skin temperature in the breast section in lactating cows dropped from 30.7 to 17.0 °C, and in the trunk area from 27.7 to 19.7 °C and was higher than the skin head, neck, thoracic and pelvic limbs. In lactating cows, the skin temperature at the head, neck, thoracic and pelvic extremities during the day also decreased and depended on the air temperature in the cowshed.
It was found that with decreasing air temperature in the cowshed during the day in the study groups, the number of animals resting while standing or lying in the box increased, but the number of lactating cows consuming feed and water and moving along the section decreased. It is recommended to use the obtained results to improve the unboxing method of keeping lactating cows in frame cowsheds at low ambient air temperatures.
Keywords: cowshed, lactating cows, behavior, temperature, skin
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