The antihaemorrhagic vitamin of the chick

Abstract

PREVIOUS papers [Dam, 1929; 1930; Dam and Schonheyder, 1934] deal with a deficiency disease resembling scurvy in chicks which cannot be prevented by ascorbic acid and the cause of which is ascribed to the lack of a particular antihaemorrhagic factor (or factors) in the diet. Sch6nheyder [1935] has shown that there is an enormous retardation of the clotting of the blood of chicks suffering from this haemorrhagic diathesis. The nature and distribution of the antihaemorrhagic factor have now been investigated. The investigation has led to the …