Melatonin and 6-hydroxymelatonin sulfate excretion is inversely correlated with gonadal development in children.
Testosterone: secreted from the testes, testosterone influences not only gonadal development, but aggressive behavior, sexual behavior, and masculinization of males .
There has been controversy over atrazine's effects on amphibians but the EPA has concluded "that atrazine does not adversely affect amphibian gonadal development".
When the gonads are ripening, a raised level of microalgae in the diet has been found to increase gonadal development.
Growth and gonadal development may also be affected.
In June 2007, Syngenta submitted to EPA its final report regarding the potential effects of atrazine on gonadal development of amphibians.
Broodstock management can improve seed quality and number through enhanced gonadal development and fecundity.
Broodstock management involves manipulating environmental factors surrounding the broodstock to ensure maximum survival, enhance gonadal development and increase fecundity.
Specifically in one study, mutating homologs of KDM6B disrupted gonadal development in C.elegans.