Báo cáo khoa hoc:" Genetic parameters of beef traits of Limousin and Charolais progeny-tested AI sires" pdf

... certainly also be due to errors when scoring fatness on live animals or Original article Genetic parameters of beef traits of Limousin and Charolais progeny-tested AI sires Marie-Noëlle ... change of variance of the traits under selection (0), the true heritability of these traits and the magnitude and the sign of the true...

Ngày tải lên: 09/08/2014, 18:21

... results on genetic parameters of live performance of young bulls of the French beef breeds fattened in feed lot. Apart from birth diffi- culty, all the traits, and particularly ... specialized breeds or lines were progeny-tested : 65, 36 and 38 from Blond d’Aquitaine (BA), Charolais (Ch) and Li- mousin (Li) breeds and 38 and 21...

Ngày tải lên: 09/08/2014, 22:23

... B ONAITI B., B IBE B., G ILLARD P., M ENISSIER F., R ENAND G., 1982. Comparisons between fattening and slaughter performance of Charolais, Limousin, Maine-Anjou and Hereford ... affecting tenderness of beef. J. Anim. Sci., 20 (Abstr.). C UNNINGHAM E.P., BRO DE R IC K T., 1969. Genetic and environmental parameters of growth and carcass...

Ngày tải lên: 09/08/2014, 22:23

... and post-partum anestrus, in: 2nd WCGALP, Madrid, Spain, 1982, pp. 338-347. [38] Robertson A., Lerner LM., The heritability of all-or-none traits: viability of poultry, Genetics ... a trait that is easy to define and to measure. First, for practical reasons, such as interaction with reproduction, cost and workload, the dates of onset and e...

Ngày tải lên: 09/08/2014, 18:21

... both heritability and genetic variability for PC were higher, and both the genetic association between PC and PY and the genetic opposition between milk yield and FC were stronger. 4. ... Caprigene France for financial support and the CTIG for provid- ing the data. Note Genetic parameters of dairy traits in the Alpine and Saanen g...

Ngày tải lên: 09/08/2014, 18:21

... testing of stallions form the Dutch Warmblood riding horse popula- tion. 1. Estimated genetic parameters of scored traits and the genetic relation with dressage and jumping competition form offspring ... estimation of parameters for n polygenic binary traits, Génet. Sél. Évol. 19 (1987) 197–224. [4] Gerber Olsson E., Arnason T., Näsholm A., Philipsson J., Genetic param...

Ngày tải lên: 09/08/2014, 18:21

... number of levels of genetics effects to be estimated. This lack of information and the complexity of the random regression model seem to be the main reasons for the slow mixing of Gibbs chains of genetic (co)variances. ... estimates of phenotypic daily variances. These estimates of genetic and phenotypic daily variance were used to calculate heritabilities for weekly m...

Ngày tải lên: 09/08/2014, 18:21

Ngày tải lên: 09/08/2014, 18:21

... simply-inherited and mapped traits are useful for various purposes, such as the analysis of natural varia- bility and of mating systems, the control of man-made crosses and of products of ... identification of varie- ties, control of breeding material, and the assesment of specific purity would be possible with a series of en- viron...

Ngày tải lên: 09/08/2014, 03:24

... similar to (other traits) average literature values. Some genetic antagonism was evidenced between production traits, particularly W4w, W8w and ABT, and reproductive traits. pigs / genetic parameters ... a trait. Genetic parameters of a Chinese × European pig line. I 49 Table IV. REML estimates of genetic correlations between male and female perfor- mance and betwe...

Ngày tải lên: 09/08/2014, 18:21