Blood Protein Gene Constitution of the Japanese Saanen Breed of Goat

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  • 日本ザーネン種山羊における血液蛋白の遺伝子構成
  • ニホン ザーネンシュ ヤギ ニ オケル ケツエキ タンパク ノ イデンシ コウ

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Abstract

Genetic variabilities within and between 7 populations, totaled 245 individuals, of the Japanese Saanen breed of goat reared in Japan were estimated by using gene frequency date obtained from the starch-gel electrophoretic examinations at 27 genetic loci controlling the structure of 25 kinds of enzymatic and non-enzymatic blood proteins. Genetic polymorphisms were observed at 11 loci, that is, hemoglobin-β, transferrin, plasma non-specific esterase, alkaline phosphatase, prealbumin-3, amylase, cell esterase D, phosphohexose isomerase (PHI), cell esterase-1, adenylate kinase and peptidase B, In addition, PHI deficiency was found in 3 individuals (Fig. 1). The numerical values of proportion of polymorphic loci were in a range 11.1-29.6%, that of the probability of heterozygosity per individual were in a range 3.3-6.2%, and Nei's genetic distances between the populations were in a range 0.0004-0.0065(average: 0.0031). It could be considered from the genetic analyses that the gene constitution of the Japanese Saanen breed of goat was fairly uniform in comparison with other domestic animal species.

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