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Abstract

Important information about the Brazilian agribusiness, population and economy are presented in this paper, as well as details of beef production, market, industry and production system, to inform people involved in meat industry about details on demography, production, economy and production...

Author(s)
Ferraz, J. B. S.; Felício, P. E. de
Publisher
Elsevier, Oxford, UK
Citation
Meat Science, 2010, 84, 2, pp 238-243
Abstract

The association of OPU-IVEP is an important instrument to drive genetic progress. In vitro embryo production (IVEP) has remarkably expanded in the last decade compared to in vivo embryo production. Because of the high repeatability of oocyte retrieval within oocyte-donors, studies exploring the...

Author(s)
Watanabe, Y. F.; Souza, A. H. de; Mingoti, R. D.; Ferreira, R. M.; Batista, E. O. S.; Dayan, A.; Watanabe, O.; Meirelles, F. V.; Nogueira, M. F. G.; Ferraz, J. B. S.; Baruselli, P. S.
Publisher
Colégio Brasileiro de Reprodução Animal, Belo Horizonte, Brazil
Citation
Animal Reproduction (Belo Horizonte), 2017, 14, 3, pp 635-644
AbstractFull Text

The aim of this study was to evaluate the differences between lineages of Nellore breed for carcass and meat quality traits. Thirteen lineages of Nellore breed were evaluated from data of carcass and meat quality of 516 animals for estimating the expected progeny difference for hot carcass weight,...

Author(s)
Bonin, M. de N.; Ferraz, J. B. S.; Eler, J. P.; Luz e Silva, S. da; Rezende, F. M. de; Cucco, D. de C.; Carvalho, M. E.; Silva, R. C. G. da; Oliveira, E. C. de M.
Publisher
Centro de Ciências Rurais, Universidade Federal de Santa Maria, Santa Maria, Brazil
Citation
Ciência Rural, 2014, 44, 10, pp 1860-1866
AbstractFull Text

The assessment of the postpartum body condition score in beef cattle may be a useful tool to recommend technologies to improve reproductive efficiency based on better nutrition and reproductive management. The variability and repeatability of body condition scores between 60-90 d postpartum was...

Author(s)
Moraes, J. C. F.; Souza, C. J. H. de; Brauner, C. C.; Pimentel, M. A.; Benavides, M. V.; Ferraz, J. B. S.
Publisher
Asociación Latinoamericana de Producción Animal, Maracaibo, Venezuela
Citation
Archivos Latinoamericanos de Producción Animal, 2013, 21, 3, pp 149-155
Abstract

The objective of the present study was to identify genetic variation in heifer pregnancy due to heat stress in Nelore cattle during the breeding season. The Nelore heifers were born between 2003 and 2013 on six farms located in three Brazilian States. Heifer pregnancy (HP) was analyzed as a binary...

Author(s)
Santana Júnior, M. L.; Eler, J. P.; Oliveira Júnior, G. A.; Bignardi, A. B.; Pereira, R. J.; Ferraz, J. B. S.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Livestock Science, 2018, 218, pp 101-107
Abstract

In tropical production systems, beef cattle are raised in highly heterogeneous environments. Heterogeneity is, therefore, expected to exist in the (co)variance components for traits of economic interest in different production environments. The main objective of the present study was to estimate...

Author(s)
Santana Júnior, M. L.; Eler, J. P.; Bignardi, A. B.; Boligon, A. A.; Ferraz, J. B. S.
Publisher
CSIRO, Collingwood, Australia
Citation
Animal Production Science, 2018, 58, 7, pp 1201-1209
Abstract

The objective of this study was to investigate, in a population of crossbred cattle, the obtainment of the non-additive genetic effects for the characteristics weight at 205 and 390 days and scrotal circumference, and to evaluate the consideration of these effects in the prediction of breeding...

Author(s)
Bueno, R. S.; Torres, R. de A.; Ferraz, J. B. S.; Lopes, P. S.; Eler, J. P.; Mourão, G. B.; Almeida e Silva, M. de; Mattos, E. C. de
Publisher
Sociedade Brasileira de Zootecnia, Viçosa, Brazil
Citation
Revista Brasileira de Zootecnia, 2012, 41, 5, pp 1140-1145
Abstract

The preweaning calf survival (SW) is one of the main economic bottlenecks of beef cattle rearing systems, however there is still few quantitative studies approaching this issue. Being a binary trait, genetic parameters for SW can be estimated considering continuous or categorical data under...

Author(s)
Azevedo Junior, J.; Petrini, J.; Mourão, G. B.; Ferraz, J. B. S.
Publisher
Canadian Center of Science and Education, Toronto, Canada
Citation
Journal of Agricultural Science (Toronto), 2017, 9, 8, pp 51-62
Abstract

The objective of this study was to identify the genetic variation in the weaning weight (WW) of beef cattle as a function of heat stress. The WWs were recorded at approximately 205 days of age in three Brazilian beef cattle populations: Nelore (93 616), Brangus (18 906) and Tropical Composite (62...

Author(s)
Santana Júnior, M. L.; Bignardi, A. B.; Eler, J. P.; Ferraz, J. B. S.
Publisher
Wiley-Blackwell, Berlin, Germany
Citation
Journal of Animal Breeding and Genetics, 2016, 133, 2, pp 92-104
AbstractFull Text

The animal breeding programs of beef cattle in Brazil have focused on selection for weight traits due to the fact that they are measures easily obtained. Within this context, it was analyzed data of 74,547 animals to evaluate the mature weight (MW) and the mature weight with repeated measurements...

Author(s)
Pedrosa, V. B.; Eler, J. P.; Ferraz, J. B. S.; Silva, J. A. II de V.; Ribeiro, S.; Silva, M. R.; Pinto, L. F. B.
Publisher
Escola de Medicina Veterinária, Universidade Federal da Bahia, Bahia, Brazil
Citation
Revista Brasileira de Saude e Producao Animal, 2010, 11, 1, pp 104-113

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