Nutritional Studies with the Duck

Abstract
Severe acute pyridoxine deficiency in young ducklings is characterized by growth failure accompanied by severe anemia. Neither convulsions nor paralysis were observed in these birds. The pyridoxine requirement of young ducklings is similar to that of chicks, approximately 250 μg. per 100 gm. of ration. Chronic pyridoxine deficiency in older ducklings produced lack of growth, paralysis, convulsions, severe microcytic anemia, and poor feather development.
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