Genetic Differentiation within Commercial Quail Populations.
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概要
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To evaluate a degree of genetic differentiation among commercial quail populations and to compare it with that of laboratory quail populations, 25 enzymes and proteins encoded by 34 presumed loci were examined by starch or agar gel electrophoresis. Six Japanese and one French commercial quail populations were analysed in the present survey. From the preceding reports, data of one Canadian commercial and four Canadian laboratory quail populations (KIMURA et al., 1990: CHENG et al., 1992), one Japanese commercial quail population (KIMURA et al., 1990) and three wild quail populations (KIMURA & FUJII, 1989) were quoted and included for the calculation.Mean and standard deviation of the proportion of polymorphic loci (Ppoly) and of the average heterozygosity per individual (H) estimated for the nine commercial populations were 0.302±0.055 and 0.101±0.010, respectively. These values are approx-imately 1.25 times higher than those estimated for the four Canadian laboratory quail populations.The fixation index (FST) value of 0.055 was calculated for the commercial and 0.155 for the laboratory quail populations. The result suggests no significant differentiation among the commercial quail populations.According to the genetic distance and the results of principal component analyses, the quail populations examined in the present survey could be classified into following four clusters: (1) three wild quail populations, (2) seven Japanese commercial and one Canadian laboratory quail populations, (3) two Canadian laboratory quail populations and (4) three quail populations selected for heavy body weight.
- 日本家禽学会の論文
日本家禽学会 | 論文
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