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AbstractFull Text

Heritabilities for age at first calving (AFC), interval calving to first service (ICFS), interval calving to conception (ICC), number of services per conception (NSC) and calving interval (CI) in a Brown Swiss herd were estimated. Also the relationship between sire's Predicted Transmitting Ability...

Author(s)
Estrada-León, R.; Magaña, J.; Segura, J. C.
Publisher
Instituto Prociência, Minas Gerais, Brazil
Citation
Proceedings of the 8th World Congress on Genetics Applied to Livestock Production, Belo Horizonte, Minas Gerais, Brazil, 13-18 August, 2006, 2006, pp 16-13
AbstractFull Text

Genetic parameters and genetic trends for birth weight (BW, n=1447), adjusted 205 days weight (WW205, n=1716) and average preweaning daily gain (ADG, n=1493) were estimated in a Brahman herd in Yucatan, Mexico, using restricted maximum likelihood methodology applied to an univariate animal model....

Author(s)
Estrada, R.; Magaña, J.; Segura, J.
Publisher
Instituto Prociência, Minas Gerais, Brazil
Citation
Proceedings of the 8th World Congress on Genetics Applied to Livestock Production, Belo Horizonte, Minas Gerais, Brazil, 13-18 August, 2006, 2006, pp 16-14
Abstract

Growth of 15 and 17 European (Holstein-Friesian or American Brown Swiss) × zebu potential sires from birth to 5 years of age was studied. Data sets were statistically analysed by using a sigmoid model equal to y=a+b/(1+exp(-(x-c)/d)) where: y=body growth, kg; a=birth weight, kg; b=mature weight,...

Author(s)
Castillo-Rojas, H.; Juárez-Lagunes, F.; Domínguez, J.; Castañeda, O. G.; Fajardo, J.; Avila, A.; Vega-Murillo, V. E.
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 11, 2002, pp 0-3