CHOLINERGIC FACTORS ARE NOT INVOLVED IN THE DELAYED DIET PASSAGE FROMTHE CROP OF CHICKS GIVEN MEDIUM-CHAIN TRIACYLGLYCEROL

The role of cholinergic mechanisms in the delayed food passage from th e crop induced by medium chain triacylglycerol was investigated in the young chicken. Vagotomy altered the crop emptying of chicks given die tary long chain triacylglycerol, but did not alter it in chicks given dietary medium chain triacylglycerol. On the contrary, denervation in the cranial rete and lateral commissure of the gizzard further inhibit ed the food passage induced by medium chain triacylglycerol. Administr ation of cisapride, which induces acetylcholine release from the myent eric nerves, and atropine, a muscarinic cholinergic antagonist, both d elayed crop emptying of chicks given medium chain triacylglycerol. The se results demonstrate that cholinergic factors are not involved in th e delayed forward movement of the food containing medium chain triacyl glycerol from the crop of chicks. Copyright (C) 1996 Elsevier Science Inc.