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Abstract

This article discusses the implementation of progeny testing; breeding programme; molecular markers; genotyping; morphological conformation; genetic improvement; zootechnical performance; and distribution of semen progeny test of Girolando dairy bulls in Brazil.

Author(s)
Silva, M. V. G. B. da; Paiva, L. de C.; Cembranelli, M. de A. R.; Martins, M. F.; Rodrigues, W. B. R.; Arbex, W. A.; Bruneli, F. A. T.; Panetto, J. C. do C.; Costa, C. N.; Santos, G. G. dos; Carvalho, B. C. de
Publisher
Embrapa Gado de Leite, Juiz de Fora, Brazil
Citation
Documentos - Embrapa Gado de Leite, 2012, No.154, pp 52 pp.
Abstract

This article summarizes the selection programme; increased production through the development or improvement of the genetic potential of the animals; and compliance of the guidelines on productivity, quality and sustainability of Holstein dairy bulls in Brazil.

Author(s)
Costa, C. N.; Cobuci, J. A.; Marques, A.; Ribas Neto, P. G.; Valloto, A. A.; Horst, J. A.; Mendonça Júnior, C. F. de; Oliveira, F. O. F.; Bruneli, F. Â. T.; Panetto, J. C. do C.; Campos, L. S.; Rigon, J. L.; Pereira, V. H. M.; Silva, M. V. G. B. da; Martins, M. F.; Freitas, A. F. de
Publisher
Embrapa Gado de Leite, Juiz de Fora, Brazil
Citation
Documentos - Embrapa Gado de Leite, 2012, No.158, pp 40 pp.
Abstract

This paper presents the activities of the Association of Brazilian Cattle Breeders and the dairy performance, milk recording results, conformation, genetic analysis for 2010 and importance of Holstein-Friesian cattle in the dairy industry of Brazil.

Author(s)
Costa, C. N.; Freitas, A. F. de; Cobuci, J. A.; Valloto, A. A.; Ribas Neto, P. G.; Silva, M. V. G. B. da; Guimarães, M. F. M.; Horst, J. A.; Mendonça Júnior, C. F. de; Campos, L. de S.; Marquez, A.; Souza, M. A. de
Publisher
Embrapa Gado de Leite, Juiz de Fora, Brazil
Citation
Documentos - Embrapa Gado de Leite, 2010, No.140, pp 68 pp.
Abstract

In 1998, a total of 150.27 million zebu cattle was counted in Brazil, of which 64.7, 20.6, 13.8 and 0.9% respectively were beef, milk, dual-purpose and draught animals. Between 1939 and 1998, 66.67, 11.58, 8.39, 5.0 and 4.12% of herdbook animals were of the Nelore, Gir, Polled Nelore,...

Author(s)
Machado, C. H. C.; Costa, C. N.
Publisher
EMBRAPA, Gado de Leite , Juiz de Fora, Braxil
Citation
Anais do 2o Minas Leite. Avanços tecnológicos para o aumento da produtividade leiteira, 2000, pp 41-45
Abstract

Recent developments in and the current state and future prospects of America's dairy industry are assessed. Different aspects of dairy herd management are discussed in relation to nutrition, disease diagnosis and control, breeding and reproduction, and genetic evaluation.

Author(s)
Costa, C. N.; Teixeira, N. M.; Durães, M. C.; Castro, R. P. de
Publisher
EMBRAPA, Gado de Leite, Juiz de Fora, Brazil
Citation
Anais do VI Congresso Holstein de Las Americas, São Paulo, Brazil, 24-27 April 2001, 2001, pp 168 pp.
AbstractFull Text

The effects of sire-environment interaction on genetic evaluation was investigated using 108 702 records of milk yield (305 ME) of Holstein cows from the states of Minas Gerais, Sao Paulo, Parana, Santa Catarina and Rio Grande do Sul, Brazil. A multivariate animal model was applied to estimate the...

Author(s)
Falcão, A. J. da S.; Martins, E. N.; Costa, C. N.; Mazucheli, J.
Publisher
Universidade Estadual de Maringá, Maringa, Brazil
Citation
Acta Scientiarum - Animal Sciences, 2008, 30, 2, pp 225-231
Abstract

This paper describes the creation of SISBOV, the Brazilian system for the traceability of cattle. Its entailment with the information dissemination of cattle breeding is investigated by analysing the action of the certificadoras, organizations authorized by the Ministry of Agriculture to certify...

Author(s)
Lima, V. M. B.; Bornstein, C. T.; Costa, C. N.; Cukierman, H. L.
Publisher
Sociedade Brasileiro de Informática Aplicada a Agropecuária e Agroindústria (SBI-Agro), Londrina, Brazil
Citation
Agronegócio, tecnologia e inovação. Anais do V Congresso Brasileiro de Agroinformática e II Simpósio Brasileiro de Tecnologia da Informação no Agronegócio Cooperativo, Londrina, PR, 28 a 30 de setembro de 2005. Tome I, 2006, pp 517-525
Abstract

Data on the dairy performance of 780 000 daughters of Holstein bulls, tested in Brazil in 2006, were analysed. Age at first calving averaged 28.5 months, average lactation milk, milk fat and milk protein yield was 6210, 204.6 and 211.8 kg, respectively; the heritability of the above traits was...

Author(s)
Costa, C. N.; Teixeira, N. M.; Freitas, A. F. de; Cobuci, J. A.; Valloto, A. A.; Ribas Neto, P. G.; Barra, R. B.; Campos, L. de S.; Haguihara, K.; Marques, A.
Publisher
Embrapa Gado de Leite, Juiz de Fora, Brazil
Citation
Documentos - Embrapa Gado de Leite, 2006, No.110, pp 68 pp.
Abstract

The data which consisted of 263 390 test day records (PDC) of the 32 448 first lactation Holstein cows were used to compare three random regression test-day models (RR), a repeatability test-day model (RM) and a 305-d lactation model (P305) for breeding value (EBV) prediction of milk yield. One RR...

Author(s)
Melo, C. M. R. de; Packer, I. U.; Costa, C. N.; Machado, P. F.; Patrício, M.
Publisher
Sociedade Brasileira de Zootecnia, Viçosa, Brazil
Citation
Revista Brasileira de Zootecnia, 2007, 36, 5, pp 1295-1303
Abstract

Data consisting of 3531 test day records of 620 first parity Jersey cows were used to estimate genetic parameters for milk yield. Covariance components were estimated by repeatability and random regression animal models. The Wilmink function was used in the random regression model to fit the fixed...

Author(s)
Dionello, N. J. L.; Silva, C. A. S. da; Costa, C. N.; Cobuci, J. A.
Publisher
Sociedade Brasileira de Zootecnia, Viçosa, Brazil
Citation
Revista Brasileira de Zootecnia, 2006, 35, 4, Supplement, pp 1646-1652

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