GENETIC-ANALYSIS OF THOROUGHBRED RACING PERFORMANCE IN SPAIN

被引：20
|
作者：
CHICO, MD
机构：
来源：
ANNALES DE ZOOTECHNIE | 1994年 / 43卷 / 04期
关键词：
GENETIC ANALYSIS; PERFORMANCE; THOROUGHBRED; HERITABILITY; REPEATABILITY;
D O I：
10.1051/animres:19940409
中图分类号：
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号：
0905 ;
摘要：
Variance components of Spanish thoroughbred racing performance are estimated by REML using 2 models. The performance characteristics studied are speed, earnings, and rank for each race. The first model considered (model 1) includes the following fixed effects: jockey; sex; weight; age; distance; race course; and race year. A single race effect is substituted for the last 3 effects of model 1 in the second model 2. Heritability and repeatability estimates are close to zero for speed while they range from 0.07 to 0.17 and from 0.19 to 0.26 respectively for rank and earnings.
引用
收藏
页码：393 / 397
页数：5
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