Sobocinski, A. and Winnicki, A. (1974) Influence of NaCl solutions at various concentrations on hardening of egg membranes of trout - Salmo trutta L. Acta Ichthyologica et Piscatoria [ACTA ICHTHYOL. PISC.], pp. 11-17
| Species | Development state | Trait | Primary Data | Secondary Data |
| Salmo trutta fario | Egg | Temperature for incubation | The water temperature during the experiments amounted to 10 ± 1°C | 10.0 °C |