A Urinofecal Separator for Laboratory Rat

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Abstract
The construction of a glass separator designed to minimize the intercontamination of rat urine and feces in the course of digestion, absorption and metabolism studies is described. The efficiency of separation was determined quantitatively, using radiothiamine as a tracer. In twelve 24-hour collections, contamination of feces with radioactive urine averaged 0.11% with a standard deviation of 0.08%. No contamination of urine by feces was apparent by visual examination.

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