King, H.R. and Pankhurst, N.W. and Watts, M. and Pankhurst, P.M. (2003) Effects of elevated summer temperatures on gonadal steroid production, vitellogenesis and egg quality in female Allantic salmon. Journal of Fish Biology, pp. 153-167
| Species | Development state | Trait | Primary Data | Secondary Data |
| Salmo salar | Egg | Oocyte diameter | Mean oocyte diameter 4-6 weeks before ovulation 5.4 mm | 5.0 mm |
| Salmo salar | Female | Onset of oogenesis | Mean GSI increased significantly in October [In Tasmania, 6 months out-of-phase from northern hemisphere] | ['October'] |
| Salmo salar | Female | Intensifying oogenesis activity | Mean GSI increased most markedly in February and March [In Tasmania, 6 months out-of-phase from northern hemisphere] | ['February', 'March'] |
| Salmo salar | Female | Maximum GSI value | 17% in late March [In Tasmania, 6 months out-of-phase from nothern hemisphere] | 17.0 percent |