Vitamin A in poultry. A survey of liver vitamin A reserves in fowls and their relationship to disease

Abstract

The results of a survey of the vitamin A reserves in fowls in Queensland are presented. The fowls were those from commercial flocks submitted for diagnosis of various diseases. Liver storage of vitamin A was used as the criterion. Of the 313 fowls examined from 162 commercial flocks, 16 per cent. were vitamin A deficient. This high percentage indicates that vitamin A deficiency is still a major cause of economic loss in commercial flocks in Queensland.