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ENERGY METABOLISM IN LIGHT HORSES

ENERGY METABOLISM IN LIGHT HORSES,G. R. WOODEN,K. L. KNOX,C. L. WILD

ENERGY METABOLISM IN LIGHT HORSES   (Citations: 4)
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Q UALITATIVE information regarding en- ergy metabolism of the equine is lacking. Feeding standards have been recommended for light horses; however, these were derived pri- marily from extrapolation of data collected from other classes of livestock, mainly sheep and cattle. Although the horse is classified as a herbivore, certain anatomic characteristics of this species suggest that the nutritional requirements must be determined directly with horses, and not extrapolated from other species. Haenlein, Holdren and Yoon (1966) compared digestibility of nutrients by horses and ruminants fed roughage diets and found significant differences. Ruminants digested dry matter, organic matter, crude protein, crude fiber and nitrogen-free extract to a greater extent than did horses fed the same rations. Earlier, Olsson and Ruudvere (1955) reported that organic matter of low fiber feed- stuffs, such as cereal grains, was digested equally well by horses and cattle, but that organic matter in high fiber feeds was not digested efficiently by horses. The emphasis in energy studies in recent years has been in terms of metabolizable energy and net energy, rather than digestible energy; however, few trials of this nature have been conducted with horses. This experiment was therefore conducted to investigate the energy requirements for maintenance of idle, light horses.
Published in 2010.
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