INFLUENCE OF DIETARY LIPID SOURCE ON A-TOCOPHERYL ACETATE REQUIREMENT IN LABEO ROHITA (HAMILTON) FINGERLINGST.A. SETHURAMALINC AM% P. SHUNMUGAVADIVAMMAL* AND S. ARUL PETER RAJ
Labeo rohita fingerlings were fed with three types of formulated diets (low, medium and high lipids/ containing cod liver oil (CLO) supplemented with 0, 10, 50,100, 150 and 200 mg of alpha.tocopheryl acetate (vitamin E) per kg of dot for 49 days. Vitamin 0 deficit fish exhibited lower feed conversion efficiency and loss of weight compared toothier fish. Anorexia, muscle degradation, fin hemorrhages, skin discoloration and impaired erythropoieses were observed in liver and spleen. The vitamin E requirement of who was estimated lobe 51,102 and 106 mg (o-tocopheryl acetate/kg of diet at low, medium and high lipid diets respectively. In the present study the recommended requirement of vitamin E was 50- 106 mg/kg to prevent deficiency in L white containing 7-14% of cod la-erode the diets.
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