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 Glossary Search for masculinisation (Search Options)

Definition of Term

(English) Direct sex reversal by doses of male hormones, e.g. 17a-methyl testosterone, in the feed during the early stages of development. Used for tilapia and catfish farming where males are the desired gender. Also used in femal broodstock that then produce sperm with homogametic (XX) chromosomes which then produce an all-female cohort when crossed with normal eggs. (See also: broodstock, sperm, egg)

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