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[Masticatory cycles of the rumination type in vagotomized lambs]
1Laboratoire de Physiologie, Ecole Nationale Vétérinaire, Toulouse, France.
Reproduction, Nutrition, Developpement
|January 1, 1988
Abstract:
Contractions of the fluid-filled RR dependent upon the activity of the myenteric plexus were observed within 2 weeks after vagotomy in sheep maintained on a liquid diet. Spontaneous but not adrenergic evoked rumination was recorded beyond the 5th week after vagotomy. The observation of ruminating-like activity during 120 to 200 min per day in chronically-vagotomized sheep indicates that the onset of rumination does not require a gastric afferent pathway.