No detailed citation.
Species | Development state | Trait | Primary Data | Secondary Data |
Salmo trutta fario | Female | Relative fecundity | Relative fecundity of females in Czech brown trout populations ranges from 2000 to 3000 eggs.kg-1 | 2000.0 thousand eggs/kg |
Salmo trutta fario | Female | Age at sexual maturity | It matures at age 2 and 4 years and males usually mature one year earlier than females. | 2.0 years |
Salmo trutta fario | Egg | Degree-days for incubation | Related to water temperature, the egg development time from fertilization to hatching ranges from 260 to 520 degree-days […]Duration of egg incubation of wild females and farmed females was the same (355-380 DD) | 367.5 °C * day |
Salmo trutta fario | Egg | Egg size after water-hardening | Egg diameter mean ± S.D. : 4.57 ± 0.28 [Wild females] and 4.34 ± 0.16 [Farmed females] in 2002 | 4.57 mm |
Salmo trutta fario | Spawning conditions | Spawning season | Reproduction of the farmed fish annually occurred in November, which was the usual period under conditions corresponding to this latitude | ['November'] |
Salmo trutta fario | Larvae | Temperature during larval development | Mean water temperature in the hatchery was 8.9 ± 3.6°C during the period from hatching until the death of the last specimens | 8.9 °C |
Salmo trutta fario | Female | Age at sexual maturity | It matures at age 2 and 4 years and males usually mature one year earlier than females. | 2.0 year |
Salmo trutta fario | Spawning conditions | Parity | It lives for 3 to 5 years and older individuals are less abundant | No category |