Feather Depigmentation Resulting from Feeding Molybdenum Plus Thiosulfate.

Abstract
New Hampshire X Barred Plymouth Rock female chicks were used to study feather depigmentation caused by adding molybdenum and thiosulfate to the chick diet. Supplementation of the diet with vitamins of lysine did not prevent feather depigmentation when the diet contained molybdenum and thiosulfate. No feather depigmentation occurred if copper (50 ppm) was added to the diet. Chicks having feather depigmentation had higher copper and molybdenum content in the liver tissues than the basal group or groups receiving supplementary thiosulfate or molybdenum.

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