Effects of coprophagy on serum urea and the weight of the gastrointestinal tract of fed or fasted rats |
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Authors: | Levine S Saltzman A |
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Affiliation: | Nathan S. Kline Institute for Psychiatric Research, Orangeburg, New York 10962, USA. |
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Abstract: | Coprophagy can be minimized by fitting rat cages with metal grids which allow faecal pellets to pass through to the floor of the cage. When bedding was omitted overnight, the extent of coprophagy could be estimated from the weight of the droppings on the cage floor or the weight of the gastrointestinal (GI) tract removed from rats housed with or without grids. The effect of coprophagy was also demonstrated by the elevation of serum urea nitrogen in rats that consumed faeces. Therefore, precautions against coprophagy, or their absence, should be specified in all experimental protocols and reports. |
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