Journal of Biological Chemistry · 1948 · 105 citations · 0 references
AgricultureNutritional SciencesPoultry ScienceAnimal NutritionPoultry NutritionPoultry PhysiologyBroiler Growth PerformanceBroiler NutritionLaying Hen NutritionProtein NutritionVitamin B12 PhysiologyVitamin NutritionAnimal Protein FoodsEarly Nutrition Effects On GrowthPoultry DietsProtein-restricted DietsSoybean Meal SupplementationStarter Diet Effects On Growth
vitamin Blz,' when added to purified basa1 diets containing 40 to 70 per cent soy bean meal as the sole source of protein, has been found to exhibit "animal protein factor" activity2 in chicks obtained from hens fed an all vegetable protein ration.3The diets used were inadequate in the unidentified chick growth factor (or factors) described by other investi-