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首页> 外文期刊>Aquaculture >Comparison of genetic diversity in the recently founded Connecticut River Atlantic salmon population to that of its primary donor stock, Maine's Penobscot River
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Comparison of genetic diversity in the recently founded Connecticut River Atlantic salmon population to that of its primary donor stock, Maine's Penobscot River

机译：最近建立的康涅狄格河大西洋鲑鱼种群与其主要捐赠者缅因州的彭诺斯科特河的遗传多样性比较

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摘要

Anadromous Atlantic salmon returning to the Connecticut River (CR) from 1996 to 1999 were assayed for variability at nine microsatellite DNA loci. Heterozygosity and allele frequencies were compared to the anadromous Atlantic salmon returning to Maine's Penobscot River from 1998 to 2000. The Penobscot River was the primary source of the salmon used to found the previously extirpated Population in the Connecticut River. While there were no significant differences in heterozygosity between the source population and the Connecticut River sea-run spawners, microsatellite allele frequencies were significantly different between the populations. Two techniques of estimating effective population size (N-c) suggested a healthy level of genetic variation in the Connecticut River population of anadromous Atlantic salmon. This is significant because the sea-run population is maintained almost entirely through hatchery production. Healthy ratios of N-c to N indicate that hatchery production has not resulted in excessive inbreeding to date.
机译：分析了1996年至1999年返回康涅狄格河（CR）的大西洋大西洋鲑的微卫星9个基因座的变异性。比较了杂合度和等位基因频率与1998年至2000年返回缅因州Penobscot河的大西洋大西洋鲑的比较。Penobscot河是用来在康涅狄格河中发现先前灭绝的种群的鲑鱼的主要来源。尽管源种群与康涅狄格河海产卵之间的杂合度没有显着差异，但种群之间的微卫星等位基因频率却存在显着差异。两种估算有效种群规模的技术（N-c）表明，康涅狄格河鲑鱼种群的遗传变异处于健康水平。这很重要，因为海产种群几乎完全通过孵化场生产得以维持。 N-c与N的健康比率表明，迄今为止，孵化场的生产尚未导致近亲繁殖。

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