Abstract

The effect of severe confinement on apparent dry-matter digestibility coefficients of two white- tailed deer ( Odocoileus virginianus) was investigated using the radioisotope 6lCr as a food marker. Wen first placed in collection crates, the deer showed a marked decrease in their ability to digest a standard pelleted ration. By the 9th to 12th day of confinement the digestibility coefficients of these deer were similar to coefficients they had displayed immediately prior to confinement. The level of food intake also decreased for both animals upon confinement. For one of the animals, food consumption retumed to the preconfinement level 21 days after confinement; however, the other deer still had a significantly decreased level of consumption after 25 days of confinement.

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