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Titolo:
Genetic parameter estimates for carcass traits in the inra401 composite sheep strain
Autore:
Moreno, C; Bouix, J; Brunel, JC; Weisbecker, JL; Francois, D; Lantier, F; Elsen, JM;
Indirizzi:
INRA, Stn Ameliorat Genet Anim, F-31326 Castanet Tolosan, France INRA Castanet Tolosan France F-31326 m, F-31326 Castanet Tolosan, France INRA, F-18390 Osmoy, France INRA Osmoy France F-18390INRA, F-18390 Osmoy, France INRA, Pathol Infect & Immunol Lab, F-37380 Nouzilly, France INRA Nouzilly France F-37380 ect & Immunol Lab, F-37380 Nouzilly, France
Titolo Testata:
LIVESTOCK PRODUCTION SCIENCE
fascicolo: 3, volume: 69, anno: 2001,
pagine: 227 - 232
SICI:
0301-6226(200106)69:3<227:GPEFCT>2.0.ZU;2-0
Fonte:
ISI
Lingua:
ENG
Soggetto:
LAMBS;
Keywords:
genetic parameters; sheep genetics; carcass traits; INRA401 breed;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
15
Recensione:
Indirizzi per estratti:
Indirizzo: Moreno, C INRA, Stn Ameliorat Genet Anim, BP27, F-31326 Castanet Tolosan, France INRA BP27 Castanet Tolosan France F-31326 tanet Tolosan, France
Citazione:
C. Moreno et al., "Genetic parameter estimates for carcass traits in the inra401 composite sheep strain", LIVEST PROD, 69(3), 2001, pp. 227-232

Abstract

An experimental population (1216 lambs from 30 sires) of INRA401 sheep wascreated to detect QTL controlling salmonellosis resistance, carcass traitsand wool traits. INRA401 is a composite line developed from crosses between Berrichon du Cher and Romanov breeds. This paper describes a quantitativeanalysis of the genetic variability for carcass traits. Controlled traits included body and carcass weights, conformation score, carcass dimension, fat and skeleton measurements, surface area of longissimus dorsi. Using appropriate, fixed effect adjustments, genetic correlations and heritabilities were estimated from classical animal models, Heritabilities were found to be high in comparison to previous studies, indicating both a good standardisation of the environment and a high genetic variability in this newly created breed. On the whole the study shows that thr data collected are promising in terms of QTL detection. (C) 2001 Elsevier Science B.V. All rights reserved.

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Documento generato il 22/10/20 alle ore 02:55:24