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Abstract

The objective of this study was to investigate the population genetic structure and the effects of inbreeding on growth traits of Nellore breed animals from the Amazon biome. The database used for the analyzes contained records of 1,402,287 animals born between the years of 1950 and 2012 and weight ...

Author(s)
Dotta, J. C.; Falcão, A. J. da S.; Carneiro, P. L. S.; Conti, A. C. M.; Rezende, M. P. G. de
Publisher
CIPAV Foundation, Cali, Colombia
Citation
Livestock Research for Rural Development, 2019, 31, 2, pp Article 17
Abstract

Inbreeding depression is caused by breeding between closely related individuals and can have a significant negative impact on cattle production. It can be estimated at the population level using pedigree analysis or molecular markers. Such estimations can then be used to better manage the genetic...

Author(s)
Amaral, R. dos S.; Malhado, C. H. M.; Martins Filho, R.; Malhado, A. C. M.; Rezende, M. P. G.; Ambrosini, D. P.; Carneiro, P. L. S.
Publisher
Universidade Federal do Paraná, UFPR, Palotina, Brazil
Citation
Archives of Veterinary Science, 2019, 24, 3, pp 68-78
Abstract

We evaluate genotype × environment (G × E) interactions for age at first calving (AFC) and calving interval (CI) of Nellore cattle in northeastern Brazil using four hierarchical reaction norm models (HRNMs). The best-fit model for the traits was the one step heteroscedastic hierarchical reaction...

Author(s)
Ambrosini, D. P.; Malhado, C. H. M.; Martins Filho, R.; Cardoso, F. F.; Carneiro, P. L. S.
Publisher
Springer, Amsterdam, Netherlands
Citation
Tropical Animal Health and Production, 2016, 48, 7, pp 1401-1407
AbstractFull Text

The objective, in this study, was to estimate the genetic parameters and to evaluate both genetic and phenotypic trends for the weight at 205 (W205) and 365 (W365) days of age in Indubrazil cattle, born between 1976 and 2006, raised in Sergipe. The variance components and genetic values were...

Author(s)
Caires, D. N.; Souza, L. de A.; Malhado, C. H. M.; Carneiro, P. L. S.; Martins Filho, R.
Publisher
Escola de Medicina Veterinária, Universidade Federal da Bahia, Bahia, Brazil
Citation
Revista Brasileira de Saude e Producao Animal, 2009, 10, 4, pp 813-820
AbstractFull Text

Author(s)
Lacerda, J. J. D.; Carneiro, P. L. S.; Martins Filho, R.; Malhado, C. H. M.
Publisher
Escola de Medicina Veterinária, Universidade Federal da Bahia, Bahia, Brazil
Citation
Revista Brasileira de Saude e Producao Animal, 2014, 15, 1, pp 10-19
Abstract

The goal of this study was to analyze the weight distribution at birth (BW) and adjusted at 205 (W205), 365 (W365) and 550 (W55O) days of age in Brazilian beef buffaloes. The genetic, environmental and phenotypic correlations of the traits were also estimated. Weight information from 5,169; 3,792;...

Author(s)
Malhado, C. H. M.; Ramos, A. de A.; Carneiro, P. L. S.; Azevêdo, D. M. M. R.; Martins Filho, R.
Publisher
Brazilian Northeastern Society of Animal Production, Teresina, Brazil
Citation
Revista Cientifica de Producao Animal, 2008, 10, 1, pp 69-80
Abstract

The objective of this work was to estimate the genetic, environmental and phenotypic correlations on birth weight (WB), and weights at 205 (W205), 365 (W365) and 550 (W550) days of age of Polled Nelore cattle from Bahia, Brazil. The analyses were carried out using the software MTDFREML. The genetic ...

Author(s)
Santos, P. F.; Malhado, C. H. M. M.; Carneiro, P. L. S.; Martins Filho, R.; Azevêdo, D. M. M. R.; Cunha, E. E.; Souza, J. C.; Ferraz Filho, P. B.
Publisher
Universidade Federal do Paraná, Curitiba, Brazil
Citation
Archives of Veterinary Science, 2005, 10, 2, pp 55-60

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