TAILIEUCHUNG - báo cáo khoa học: "Genetic disequilibria between the α β-, κ-casein -, S1 and the β-lactoglobulin loci of the Bavarian Brown and Bavarian Simmental cattle"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Genetic disequilibria between the α β-, κ-casein -, S1 and the β-lactoglobulin loci of the Bavarian Brown and Bavarian Simmental cattle(1) | Génét. Sél. Evol. 1986 18 1 1-10 Genetic disequilibria between the aSi P K-casein and the p-lactoglobulin loci of the Bavarian Brown and Bavarian Simmental cattle 1 R. GRAML J. BUCHBERGER and F. PIRCHNER Lehrstuhl fur Tierzucht der Technischen Universitdt Miinchen D-8050 Freising-Weihenstephan Institut fur Chemie und Physik der Siiddeutschen Versuchs-und Forschungsanstalt fur Milchwirtschaft der Technischen Universităt Munchen D-8050 Freising-Weihenstephan Summary Genetic disequilibria between 3 casein loci and between them and the p-lactoglobulin locus were estimated for a Simmental and a Braunvieh sample of about 2 000 cows each. Between the casein loci disequilibria were statistically significant but between them and the independent lactoglobulin locus disequilibria were smaller and statistically insignificant. In general sign and magnitude of the casein loci disequilibria were similar between the 2 breeds. Key words Linkage disequilibrium gamete frequency casein -lactoglobulin cattle. Resume Déséquilibres génétiques entre les locus asl P- K-caséine et ệ-lactoglobuline chez les bovins des races Brune et Simmental de Bavière On a estimé les déséquilibres génétiques entre 3 locus des caséines et entre ceux-ci et le locus de la 3-lactoglobuline dans des échantillons Simmental et Braunvieh d environ 2 000 vaches chacun. Les deséquilibres entre les locus des caséines sont statistiquement significatifs mais entre ceux-ci et le locus indépendant de la lactoglobuline les déséquilibres sont plus faibles et statistiquement non significatifs. En general le signe et 1 importance des déséquilibres entre les locus des caséines sont similaires dans les 2 races. Mots clés Déséquilibre de linkage frequence gamétique caséine -lactoglobuline bovins. 1 The investigation was supported by the Deutsche Forschungsgemeinschaft. 2 R. GRAML J. BUCHBERGER F. PIRCHNER I. Introduction Neutral alleles at different loci should be in Hardy-Weinberg and in linkage equilibrium in large panmictic

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