The Placental Transfer and Colostral Storage of Vitamin D in the Bovine

Abstract

The possible importance of prenatal and neonatal environment on the development and subsequent performance of dairy animals has been recognized for many years, but there is little experimental evidence bearing on this view. Recently several investigators These investigations and the reports of rickets occurring in very. young calves (1, 5) raised the question of the value of supplementing the prepar-tum diet with vitamin D.