Hunt, S.M.V. and Simpson, T.H. and Wright, R.S. (1982) Seasonal changes in the levels of 11-oxotestosterone and testosterone in the serum of male salmon, Salmo salar L., and their relationships to growth and maturation cycle. J. Fish. Biol., pp. 105-119
| Species | Development state | Trait | Primary Data | Secondary Data |
| Salmo salar | Female | Oogenesis duration | March to August period, reflect the development of the gonad | 7.0 months |