Effects of vitamin E on growth and maturation in the Asian catfish (Clarias macrocephalus) at puberty

The maturation of male fish is a problematic aspect Clarias macrocephalus and probably one the causes population’s disappearance in usual places where they once abound. present study aimed to explore feed additives enhance its from puberty. Vitamin E (VE) essential reproduction animals, including fish. A growth trial was conducted which groups C. were fed experimental diets containing graded levels VE form α-tocopheryl acetate (α-TA), namely, 0, 100, 200, 300 400 mg VE·kg-1 diet. After 90 days, assessed, reproductive performance tested by conducting induced spawning artificial fertilization. Results showed nutrient utilization indices better than control group. Maturation such as GSI, gonad weight, lengths, egg diameter, fecundity enhanced VE-treated groups. Reproductive performance, fertilization, hatching, larval survival rate, broodstock Quantitative estimates for optimal dose that elicited maximal response values ranged 202.1 230.0