2003 Volume 69 Issue 1 Pages 101-109
Loss of within-population genetic diversity by genetic drift is related to stocking. In order to reduce it, selective use of wild-born individuals for hatchery broodstock is proposed. Its effectiveness is evaluated by the analytical method and numerical simulation. Results indicated that it is effective, especially when the ratio of released hatchery-produced individuals is high in the natural population. Loss of within-population genetic diversity by a few other strategies of broodstock preparation is also analyzed by numerical simulation and the effectiveness of these is also discussed.
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