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Anim Biosci > Volume 34(4); 2021 > Article
Animal Breeding and Genetics
Animal Bioscience 2021;34(4): 482-488.
DOI: https://doi.org/10.5713/ajas.19.0881    Published online May 12, 2020.
Identification of markers associated with estimated breeding value and horn colour in Hungarian Grey cattle
Attila Zsolnai1,*  , András Kovács1  , Endre Kaltenecker2  , István Anton1 
1NAIK-Research Institute for Animal Breeding, Nutrition and Meat Science, Gesztenyés u. 1., 2053 Herceghalom, Hungary
2Association of Hungarian Grey Cattle Breeders, Lőportár u. 16.,1134 Budapest, Hungary
Correspondence:  Attila Zsolnai, Tel: +36-23-319-133, Fax: +36-23-319-133(120), Email: attila.zsolnai@gmail.com
Received: 20 November 2019   • Revised: 24 February 2020   • Accepted: 29 April 2020
This study was conducted to estimate effect of single nucleotide polymorphisms (SNP) on the estimated breeding value of Hungarian Grey (HG) bulls and to find markers associated with horn colour.
Genotypes 136 HG animals were determined on Geneseek high-density Bovine SNP 150K BeadChip. A multi-locus mixed-model was applied for statistical analyses.
Six SNPs were identified to be associated (–log10P>10) with green and white horn. These loci are located on chromosome 1, 3, 9, 18, and 25. Seven loci (on chromosome 1, 3, 6, 9, 10, 28) showed considerable association (–log10P>10) with the estimated breeding value.
Analysis provides markers for further research of horn colour and supplies markers to achieve more effective selection work regarding estimated breeding value of HG.
Keywords: Hungarian Grey; Horn Colour; Estimated Breeding Value; Single Nucleotide Polymorphism (SNP); Genom-Wide Association Study (GWAS)

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