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This article in AJ

  1. Vol. 59 No. 3, p. 255-257
    Received: Dec 3, 1966

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Radiogold—A Technique for Measuring Changes in Rate of Ingesta Passage in the Ruminant as Influenced by Diazepam1

  1. E. J. Bris,
  2. I. A. Dyer and
  3. I. D. Teare2



A technique is described that measures the rate of ingesta passage through the ruminant by administering radiogold (Au198) orally to bovine and ovine animals and following the time course of excreted Au1198. The results indicate that Au198 has a reproducible excretion pattern and is easily measured in the feces of ruminants. Diazepam was administered as a musde relaxant to reduce the rate of ingesta passage. Comparisons were made in rate of passage between control and diazepam-fed ruminants indicating the sensitivity of this radiogold tracer procedure.

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