Increase in B-Vitamin Concentrations in Digestive Tract Contents of Young Dairy Calves.

Abstract

Male Holstein calves ranging in age from 8 to 32 days were sacrificed and the contents of their digestive tracts were chemically assayed for thiamine, riboflavin, niacin and folic acid. Concns. of these vitamins were higher in the contents of various regions of the tracts than in the feed consumed.