tion rate. Environmental infl uence can make a difference, however, in what might be normal,” says Mays. “If it’s mid-afternoon on a hot sum- mer day we expect an increased respiration rate even if the animal is in the shade. If it’s 9 in the morn- ing, the respiration rate should be lower. If the animal has increased respiration at that time of day, look at other animals in the group and compare,” he says. Keep in mind that black cattle
human and must breathe faster, or pant with their mouths open to cool themselves during hot weather, especially when exerting — using
air exchange in the lungs as a cool- ing system. “Watch the movements of the fl anks or ribcage to count respira-
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get hotter on a hot day than lighter colored cattle, since black absorbs more of the sun’s rays. Previous ex- ertion will also elevate respiration rate. Appearance of the animal (dull or alert, ears up or down, nasal dis- charge or cough, etc.) can give clues as to whether the animal is merely hot or is ill. If in doubt, restrain her and take her temperature, or check her again a little later to see if the
94 The Cattleman September 2013
thecattlemanmagazine.com
Give us an opportunity serve you and your cattle’s needs. Dealer Inquiries Always Welcome!
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