Bromage, N. and Elliott, J.A.K. and Springate, J.R.C. and Whitehead, C. (1984) The effects of constant photoperiods on the timing of spawning in the rainbow trout. Aquaculture, pp. 213-233
| Species | Development state | Trait | Primary Data | Secondary Data |
| Oncorhynchus mykiss | Egg | Oocyte diameter | 5.0 ± 0.2 [For controls] | 5.0 mm |
| Oncorhynchus mykiss | Female | Relative fecundity | 2.370 ± 0.089 [Controls] | 2.37 thousand eggs/kg |
| Oncorhynchus mykiss | Spawning conditions | Spawning season | The controls under the simulated natural seasonal cycle spawned in January/February at the same time as fish of the same strain in outside tanks under ambiant day-length | ['January', 'February'] |