Swift, D.R. (1965) Effect of temperature on mortality and rate of development of the eggs of Windermere char (Salvelinus alpinus). Journal of the Fisheries Research Board of Canada, pp. 913-917
| Species | Development state | Trait | Primary Data | Secondary Data |
| Salvelinus alpinus | Egg | Incubation time | 96.7 ± 1.0 [At 4°C]; 75.7 ± 0.2 [6°C]; 53.7 ± 0.3 [8°C]; 41.3 ± 0.3 [10°C] and 35.5 ± 0.2 [12°C] | 96.7 days |
| Salvelinus alpinus | Egg | Temperature for incubation | Excessive mortality occurred at temperatures above 8°C, total mortality above 12°C. | 8.0 °C |
| Salvelinus alpinus | Egg | Degree-days for incubation | 380-450 [Rate of development varied with the water temperature, eggs taking on an average 45 days to hatch at 10°C and 95 days at 4°C] | 415.0 °C * day |