血液型および血清蛋白質型の遺伝子頻度と個体識別因子としての有効性 (豚の血液型に関する研究-5,6-)

概要

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In this report, blood groups and serum protein types belonging to 13 loci were investigated in Yorkshire, Landrace and Berkshire breeds reared in Japan, and the calculation of their gene frequencies was performed. Secondly, the probability that two individuals chosen at random will have different genotypes was calculated by using their gene frequencies, and the usefulness of each locus as marker gene and the difference of genetic variability among the three breeds were discussed.The results were summarized as follows:1) The difference of gene frequencies among the three breeds was remarkable in E, F, H, S 7 , Pa and Hp loci, and the degree of genetic variability with all the loci was abandant in the order of Berkshire, Yorkshire and Landrace. Moreover, it became clear that the difference of genetic variability among the three breeds was mainly based on that of serum protein types.2) The calculation of the probability of distinguishing individuals was performed by using the formulae showing probability corresponding to each locus. Consequently, the calculated probabilities were above 50% at E, H, K and A loci in Yorkshire, E, K, A, H, Hp and Pa loci in Landrace and E, F, Tf and Pa loci in Berkshire. Moreover, the probability calculated from all the loci combined was almost 100% in the three breeds.
社団法人日本畜産学会の論文