... accelerating effect of heat shock may interfere with and compensatepotential slowing down due to consanguinity, if any. In rainbow trout however,gynogenesis by retention of ... between 10 and 90 % of hatched fry. Mean time of hatching (TH)was defined as being the time in (°C.d) when 50 % of the fry hatched, and duration of hatching (DH) as ... centromere mapping in rainbowtrout : high interference over long map distances. Genetics, 103, 771-783.Timing and duration of hatching in gynogenetic, triploid,tetraploid, and hybrid...