Later,
Touir (1977) described the effects of the AG on both
primary and secondarymale characteristics in a number of
gonochoristic and hermaphroditic decapod crustaceans,
and Taketomi et al. (1990) showed that injection of AG
extracts into the crayfish Procambarus clarkii accelerated
the appearance of the male reversed spines on the
copulatory appendages