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Animal Breeding and Genetics
Asian-Australasian Journal of Animal Sciences 2003;16(5): 702-705.
DOI: https://doi.org/10.5713/ajas.2003.702    Published online January 1, 2003.
Voluntary Intake, Digestibility and Nitrogen Balance in Spotted Deer (Cervus nippon) Fed Forest By-product Silage, Oak Leaf Hay and Commercial Mixed Ration
B. T. Jeon, S. H. Moon, S. M. Lee, K. H. Kim, R. J. Hudson
Abstract
Forest by-product silage (FPS) comprised of foliage, shrubs, and wild grasses was prepared to examine feeding value as sole roughage source for spotted (sika) deer. This diet was compared with imported oak leaf hay (OLH) and a commercial mixed ration (CMR) in digestion balance trials with spotted deer. Dry matter intake was highest (p<0.05) on the OLH, whereas intakes of the FPS and CMR were similar (p>0.05). Digestibility of dry matter was highest (p<0.05) for CMR. Digestibility of crude protein was highest in CMR and lowest in OLH and there were significant differences (p<0.05) among diets. Average daily gain, digestible dry matter intake and digestibility of crude fiber did not differ significantly among diets. Nitrogen intake, urinary and digestible nitrogen were highest (p<0.05) in CMR. However, nitrogen retention was not significantly different. Consequently, FPS is a good roughage source for deer having high digestibility, dry matter intake and availability of nitrogen.
Keywords: Spotted Deer; Intake; Digestibility; Nitrogen Balance; Forest By-product Silage


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