Randak, 2006



Citation


No detailed citation.

Associated characteristics


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