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Abstract

Cattle temperament has practical significance since it is related to human and cattle safety and welfare, herd productivity, and meat quality. Aiming to evaluate genetic factors on cattle temperament, we used two measurements, flight speed (FS) and agitation score (AS), in a Brazilian herd with 4...

Author(s)
Costa, M. J. R. P. da; Piovezan, U.; Cyrillo, J. N. S. G.; Razook, A. G.
Publisher
Institut National de la Recherche Agronomique (INRA), Montpellier, France
Citation
Proceedings of the 7th World Congress on Genetics Applied to Livestock Production, Montpellier, France, August, 2002. Session 14, 2002, pp 1-4
Abstract

This study was conducted to give continuity to the evaluations of correlated genetic changes on body measurements of Nelore cattle, as a result for yearling weight. Records of 5050 Nelore of the selection programme of the Experimental Station of Sertãozinho (SP), Brazil, born between 1978 and 2000...

Author(s)
Cyrillo, J. N. S. G.; Razook, A. G.; Mercadante, M. E. Z.; Figueiredo, L. A.; Ruggieri, A. C.
Publisher
Institut National de la Recherche Agronomique (INRA), Montpellier, France
Citation
Proceedings of the 7th World Congress on Genetics Applied to Livestock Production, Montpellier, France, August, 2002. Session 2, 2002, pp 0-4
Abstract

Since 1933 the Gir, Guzerá and Nelore Zebu breeds, have been preserved and selected at the Experimental Station of Sertãozinho (IZ-SP)-Brazil. The Station also received a small Caracu herd in an effort to save it from extinction in Brazil. The Caracu is a cattle of European origin, which has been...

Author(s)
Razook, A. G.; Figueiredo, L. A.; Bonilha Neto, L. M.; Cyrillo, J. N. S. G.; Mercadante, M. E. Z.; Trovo, J. B. F.; Ruggieri, A. C.; Packer, I. U.
Publisher
Institut National de la Recherche Agronomique (INRA), Montpellier, France
Citation
Proceedings of the 7th World Congress on Genetics Applied to Livestock Production, Montpellier, France, August, 2002. Session 24, 2002, pp 1-4
Abstract

Data from a growth selection experiment, carried out in Brazil, was analysed in order to evaluate the effects of the selection for body weight on size and reproductive traits of the cows. The experiment started in 1978, with 3 lines of Nelore cattle, selection (NeS), traditional (NeT), both...

Author(s)
Mercadante, M. E. Z.; Packer, I. U.; Razook, A. G.; Cyrillo, J. N. S. G.; Figueiredo, L. A.
Publisher
Institut National de la Recherche Agronomique (INRA), Montpellier, France
Citation
Proceedings of the 7th World Congress on Genetics Applied to Livestock Production, Montpellier, France, August, 2002. Session 19, 2002, pp 1-4