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An Experimental Study in the Turkey Embryo

T. M. FERGUSON, Ph.D.; R. H. RIGDON, M.D.; J. R. COUCH, Ph.D.

AMA Arch Ophthalmol. 1956;55(3):346-355.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

Nutritional deficiencies in relation to disorders of the eye have been described by many workers.* Cataracts in rats fed a riboflavin-deficient diet were described in 1931 by Day, Langston, and O'Brien.³ Curtis and co-workers,⁴ in 1932, produced cataracts in rats with a tryptophan-deficient diet. As far as we know, these are the only true primary deficiencies that have resulted in cataract formation.

The relation of vitamin E to retrolental fibroplasia was suggested by Owens and Owens⁵ in 1939. Callison and Orent-Keiles,⁶ in 1951, observed a lesion in embryos from rats fed vitamin E-deficient diets which suggested retrolental fibroplasia. Cataracts were described in 1954 by Ferguson, Atkinson, and Couch⁷ in turkey embryos obtained from hens fed a practical-type diet low in vitamin E. A similar lesion has occurred in turkey embryos obtained from hens fed a synthetictype diet deficient in vitamin E. The pathologic changes in . . . [Full Text PDF of this Article]

Author Affiliations
College Station, Texas; Galveston, Texas; College Station, Texas

From the Departments of Biochemistry and Nutrition and Poultry Husbandry, Agricultural and Mechanical College of Texas, College Station, Texas, and the Laboratory of Experimental Pathology, University of Texas Medical Branch, Galveston, Texas.

Footnotes
Received for publication Dec. 23, 1955.

This work was supported in part by grants-in-aid from the U. S. Public Health Service, National Institutes of Health, Bethesda, Md., and Distillation Products Industries, Rochester, N. Y. Inositol was obtained through the courtesy of Corn Products Refining Company, Argo, Ill. Folic acid was supplied by Lederle Laboratories Division, American Cyanamid Company, Pearl River, N. Y.; biotin, by Hoffmann-La Roche, Inc., Nutley, N. J., and the rest of the B vitamins by Merck & Co., Inc., Rahway, N. J. The d--tocopherol acetate was supplied by Distillation Products Industries, Rochester, N. Y.

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