8 Facts About Circadian and Circannual Rhythms in Horses
Nearly all organisms, including horses, adapt their lifestyles to the timing of sunrise and sunset. These light and dark cycles result in daily (circadian) and annual (circannual) rhythms of physiology and behavior. And, as a researcher in Ireland recently reported, understanding how horses respond to these cycles can help you manage them accordingly.
Barbara Murphy, PhD, assistant professor in University College Dublin’s School of Agriculture and Food Science, in Ireland, has extensively studied circadian and circannual rhythms and how they affect horses. As one of the keynote speakers at the 2019 Equine Science Society Symposium, held June 3-6 in Asheville, North Carolina, she described them in-depth.
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