Type

Journal Article

Authors

E W Hill
L M Katz
D E MacHugh
B A McGivney
K F Gough
P A McGettigan
G Farries

Subjects

Psychiatry

Topics
genetic horses age training genome wide association studies adaptation traits density

Genetic contributions to precocity traits in racing Thoroughbreds. (2017)

Abstract Adaptation to early training and racing (i.e. precocity), which is highly variable in racing Thoroughbreds, has implications for the selection and training of horses. We hypothesised that precocity in Thoroughbred racehorses is heritable. Age at first sprint training session (work day), age at first race and age at best race were used as phenotypes to quantify precocity. Using high-density SNP array data, additive SNP heritability (hSNP2) was estimated to be 0.17, 0.14 and 0.17 for the three traits respectively. In genome-wide association studies (GWAS) for age at first race and age at best race, a 1.98-Mb region on equine chromosome 18 (ECA18) was identified. The most significant association was with the myostatin (MSTN) g.66493737C>T SNP (P = 5.46 × 10
Collections Ireland -> University College Dublin -> PubMed

Full list of authors on original publication

E W Hill, L M Katz, D E MacHugh, B A McGivney, K F Gough, P A McGettigan, G Farries

Experts in our system

1
Emmeline W Hill
University College Dublin
Total Publications: 31
 
2
Lisa M Katz
University College Dublin
Total Publications: 22
 
3
David E. MacHugh
University College Dublin
Total Publications: 82
 
4
Beatrice A McGivney
University College Dublin
Total Publications: 14
 
5
Paul A. McGettigan
University College Dublin
Total Publications: 46