Báo cáo khoa hoc:" Genetic parameters of spontaneous spring ovulatory activity in Mérinos d’Arles sheep Hanocq Loys Bodin Jacques Thimonier Jacques Teyssier Benoit Malpaux Philippe Chemineau " pptx

... of spontaneous spring ovulatory activity in Mérinos d’Arles sheep Eric Hanocq Loys Bodin Jacques Thimonier Jacques Teyssier Benoit Malpaux c Philippe Chemineau a Département de ... cyclic ewes before joining [18]. Thus, the purpose of our study was to estimate the genetic parameters of spontaneous spring ovulatory activity...

Ngày tải lên: 09/08/2014, 18:21

... fattening at a fixed weight clearly reduced the variability of final weight but without eliminating it entirely.

Ngày tải lên: 09/08/2014, 22:23

... the genetic parameters of live performance from data gathered in these progeny testing stations. The aim of the present article is to estimate the genetic parameters of ... showed that simultaneous genetic improvement of these 2 groups of criteria can be obtained only by the use of combined selection indexes. The genetic relations...

Ngày tải lên: 09/08/2014, 22:23

... not have been taken into account since adding the corresponding amount of information (the whole contemporary group in the herd of origin) made a joint analysis unfeasible ... Design of testing procedures in the French AI programmes In each of the specialised beef breeds in France, two types of programmes exist for selecting AI bulls...

Ngày tải lên: 09/08/2014, 18:21

... between genetic parameters of both breeds were rather low, the estimates suggest a higher potential for genetic progress in protein content and protein yield in the Alpine ... aims at updating the estimates of genetic parameters for milk, fat and protein yields, fat and protein contents, in the Alpine and Saanen populations using an...

Ngày tải lên: 09/08/2014, 18:21

... of horses in the 2 disciplines 1% 15% 12% % of horses in eventing only 84% 42% 2% % of horses in the other discipline only 15% 43% 86% Number of sires with offspring in the two disciplines 882 ... competition in that discipline have completely Genetic parameters of eventing in Horses 177 Table I. Data used for analysis. Discipline Eventing Eventing / Eventing / Event...

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. ... explains less than one percent of the variance in feed intake curves, which is negligible. Selection for higher feed intake in the beginning of the te...

Ngày tải lên: 09/08/2014, 18:21

Ngày tải lên: 09/08/2014, 18:21

... a study of the genetic determinism of a large set of wood prop - erties in a half diallel. Genetic parameters including heritabilities and genetic correlations are presented and a breeding strategy ... quality”, using density as the main selection criterion, while maintaining levels of gain in the traditional targeted traits is not realistic. An effi - cient way of integ...

Ngày tải lên: 08/08/2014, 14:20

... at all genetic levels. RESULTS Sampling of genetic entities The study of the influence of the sample size (number of trees within genetic entity) on the strength of the relationship ... and simulating the silvicultural influence. Can J For Res 23, 2587-2593 Zobel B, Jett J (1995) Genetics of Wood Production. Springer-Verlag (Springer series...

Ngày tải lên: 08/08/2014, 18:21