Comparison of two orogastric feeding markers for measuring gastrointestinal motor functions in rats.


Rat gastrointestinal (GI) transit parameters measured with charcoal and radiochromium were compared. Animals were fed with a calorie-free liquid test meal which contained 10% charcoal and radiochromium (0.5 microCi ml-1) via a transiently placed orogastric catheter. The rats were sacrificed at 1, 5, 15, 30, 60 and 120 min, respectively, since feeding… (More)


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