Korean Journal of Veterinary Research 2000;40(4):683-689.
Studies on blood types in Thoroughbred horses
Gil-jae Cho1, Bong-hwan Kim2
1Equine Blood Typing Laboratory, Korea Racing Association
2College of Veterinary Medicine, Kyungpook National University
더러브렛 말의 혈액형에 관한 연구
조길재1, 김봉환2
1한국마사회 혈액형검사실
2경북대학교 수의과대학
Abstract
The present study was carried out to investigate the blood markers of Thoroughbred horses (TB) The blood red cell types and blood protein types (biochemical polymorphisms) were tested from 1,125 Thoroughbred horses by serological and electrophoretic procedures, and their phenotypes, gene frequencies, heterozygosity, polymorphic information content values and exclusion probability were estimated. The blood group and biochemical polymorphism phenotypes observed with high frequency were Aaf(91.7%), Ca(94.7%), K-(94.5%), Ua(75.9%), P-(50.6%), Qabc(82.6%), ALB-BB(67.7%), GC-FF(92.7%), AIB-KK(99.6%), ES-II(77.9%), TF-DF1(23.6%), PI-LL(23.2%), HB-B2B2(73.6%), PGD-FS(45.4%) and genotypes Dcgm/dk(16.9%), Dbcm/cgm(13.6%), Dbcm/dk(11.9%), Dcegmn/cegmn(10.0%), Dcgm/cgm(8.7%) in TB. Alleles observed with high frequency were Aaf(0.796), Ca(0.769), Ddk(0.266), Dcgm(0.261), Dbcm(0.211), K-(0.972), P-(0.710), Qabc(0.565), Q-(0.368), Ua(0.509), $HB^{B2}$(0.858), $PGD^F$(0.634), $ALB^B$(0.825), $GC^F$(0.927), $AIB^K$(0.998), $ES^I$(0.881), $TF^{F1}$(0.346), $TF^D$(0.319), $TF^{F2}$(0.184), $PI^L$(0.479), $PI^N$(0.214), $PI^U$(0.116) in TB. The heterozygosity, polymorphic information content (PIC) and exclusion probability (PE) were calculated. The mean heterozygosity and PIC value were 0.3899 and 0.3375, respectively. The highest heterozygosity and PIC were estimated 0.7834 and 0.7492 in blood group D locus, respectively. The cumulated PE obtained by blood groups and biochemical polymorphisms was 0.9813.
Key Words: allele, blood groups, biochemical polymorphism, heterozygosity


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