Evidence for a Substance in Fish Solubles Which Enhances Vitamin A Storage in Chick Livers

A Simplified Method for Administering Vitamin A to Chicks Fed Purified Diets

“…Recently, Harms et al (1956) presented values for the liver vitamin A of four week old chicks on a natural diet containing 4,000 I.U. vitamin A per pound.…”

The Vitamin a Requirement of the Young Pig

“…A water soluble factor in fish solubles has been dis covered which enhances liver accumulation of vitamin A in chicks (88). Its chemical properties have been studied (89).…”