Masculinization of Channel Catfish Ictalurus punctatus by Oral Administration of Trenbolone Acetate

@inproceedings{Galvez1995MasculinizationOC,
  title={Masculinization of Channel Catfish Ictalurus punctatus by Oral Administration of Trenbolone Acetate},
  author={John I. Galvez and Patricia M. Mazik and Ronald P. Phelps and Donald R. Mulvaney},
  year={1995}
}
All-male populations of channel catfish, Ictalurus punelatus, were produced by feeding a diet containing trenbolone acetate to swim-up fry for 60 d. This hormone was effective in producing 100% males at doses of 50 to 150 mg/kg of diet. Fish that received 0 or 1 mg/kg of diet did not differ from the expected 1:1 sex ratio. Survival of control fish and fish fed diets containing trenbolone acetate were similar (P > 0.05) at the end of the treatment period and after a 60-d grow-out period. Our… CONTINUE READING

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