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- Article] Morphological and Genomic Differences Between Cutting and Racing Lines of Quarter Horses
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DocNo of ILP: 725
Doc. Type: Article
Title: Morphological and Genomic Differences Between Cutting and Racing Lines of Quarter Horses
Authors: Meira, CT; Curi, RA; Silva, JAIIV; Correa, MJM; de Oliveira, HN; da Mota, MDS
Full Name of Authors: Meira, Camila Tangari; Curi, Rogerio Abdallah; Vasconcelos Silva, Josineudson Augusto I. I.; Monteiro Correa, Marcio Jose; de Oliveira, Henrique Nunes; Silveira da Mota, Marcilio Dias
Keywords by Author: Physical traits; Horse; Genome-wide association study; SNPs
Keywords Plus: WIDE ASSOCIATION; THOROUGHBRED HORSE; SELECTION; SEQUENCE; GENE; OSTEOCHONDROSIS; PERFORMANCE; QUALITY; TRAITS; CATTLE
Abstract: To investigate morphological and genomic differences between cutting and racing lines of Quarter Horses, 120 racing and 68 cutting animals of both sexes, registered at the Brazilian Association of Quarter Horse Breeders, were used. Blood samples were collected, and the following physical traits were measured: weight; height at withers; body length; length of the shank, pastern, rump, head, and neck; and chest, shank, and hoof circumference. For analysis of genomic differences, 54,602 single-nucleotide polymorphisms (SNPs) were genotyped using the Equine SNP50 BeadChip, and the quality of individual and SNP genotype data were evaluated. The fixation index, F-ST, was used to identify genome regions that were altered in the lines by selection. The results showed significant differences between the lines in all physical traits. Quality control led to the exclusion of four cutting animals with a call rate of <0.95. After filtering, 12,544, 13,815, and 13,370 SNPs were excluded for the whole population (n = 184), the 120 racing animals, and the 64 cutting animals, respectively. The number of informative polymorphisms detected in each line and in the whole population indicated that the Equine SNP50 BeadChip can be used in genetic studies of Quarter Horses. The fixation index, F-ST, identified 2,558 genome regions that may have been modified by divergent selection. (C) 2013 Elsevier Inc. All rights reserved.
Cate of OECD: Veterinary science
Year of Publication: 2013
Business Area: other
Detail Business: medicine & science
Country: USA
Study Area:
Name of Journal: JOURNAL OF EQUINE VETERINARY SCIENCE
Language: English
Country of Authors: [Meira, Camila Tangari; de Oliveira, Henrique Nunes] Univ Estadual Paulista, Fac Ciencias Agr & Vet, BR-14884900 Sao Paulo, Brazil; [Curi, Rogerio Abdallah; Vasconcelos Silva, Josineudson Augusto I. I.; Monteiro Correa, Marcio Jose; Silveira da Mota, Marcilio Dias] Univ Estadual Paulista, Fac Med Vet & Zootecnia, BR-14884900 Sao Paulo, Brazil
Press Adress: Meira, CT (reprint author), Univ Estadual Paulista, Fac Ciencias Agr & Vet, BR-14884900 Sao Paulo, Brazil.
Email Address: camilatangari@zootecnista.com.br
Citaion: OLIVEIRA, HENRIQUE/0000-0002-3181-1223;
Funding: Fundacao de Amparo a Pesquisa do Estado de Sao Paulo; Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior
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Number of Citaion: 33
Publication: ELSEVIER SCIENCE INC
City of Publication: NEW YORK
Address of Publication: 360 PARK AVE SOUTH, NEW YORK, NY 10010-1710 USA
ISSN: 0737-0806
29-Character Source Abbreviation: J EQUINE VET SCI
ISO Source Abbreviation: J. Equine Vet. Sci.
Volume: 33
Version: 4
Start of File: 244
End of File: 249
DOI: 10.1016/j.jevs.2012.07.001
Number of Pages: 6
Web of Science Category: Veterinary Sciences
Subject Category: Veterinary Sciences
Document Delivery Number: 125IU
Unique Article Identifier: WOS:000317534300005
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