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Vitamin E Deficiency and Pansteatitis in Juvenile Boat-Billed Herons (Cochlearius cochlearius)

Christal G. Pollock, Jonathan M. Sleeman, Chris D. Houle and Edward C. Ramsay
Journal of Zoo and Wildlife Medicine
Vol. 30, No. 2 (Jun., 1999), pp. 297-300
Stable URL: http://www.jstor.org/stable/20095862
Page Count: 4
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Vitamin E Deficiency and Pansteatitis in Juvenile Boat-Billed Herons (Cochlearius cochlearius)
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Abstract

Steatitis due to vitamin E deficiency occurred in three 10-wk-old boat-billed herons (Cochlearius cochlearius) despite daily placement of a powdered vitamin supplement on the fish that was subsequently washed off by the parents. Physical findings included emaciation, yellow-brown subcutaneous nodules, a firm distended coelom, stomatitis, and yellow-white, submucosal pharyngeal nodules. Clinical pathology revealed heterophilic leukocytosis, anemia, hypoproteinemia, and low plasma alpha (α)-tocopherol levels (1.94 μg/ml and 2.14 μg/ml). Two of the chicks died of severe, diffuse pansteatitis and respiratory aspergillosis.

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