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Abstract

The Guzerá National Milk Improvement Programme is a work carried out by Embrapa Gado de Leite and the Brazilian Centre for Genetic Improvement of Guzerá. It involves the participation of several public and private orgranizations. This programme is based on the integration of modern animal breeding...

Author(s)
Bruneli, F. A. T.; Peixoto, M. G. C. D.; Santos, G. G. dos; Arbex, W. A.; Penna, V. M.; Zadra, L. E. F.; Josahkian, L. A.; Verneque, R. da S.; Machado, M. A.; Panetto, J. C. do C.; Lôbo, R. B.; Carvalho, M. R. S.
Publisher
Embrapa Gado de Leite, Juiz de Fora, Brazil
Citation
Documentos - Embrapa Gado de Leite, 2018, No.218, pp 77 pp.
Abstract

The document of the Bulls′ Progeny Test Results of June 2018 presents innovative tools and resources for professionals and producers such as molecular information for genes of interest like the β-casein A1 or A2, and genetic age at first calving and milk production of the Girolando bull progenies.

Author(s)
Silva, M. V. G. B. da; Martins, M. F.; Cembranelli, M. de A. R.; Panetto, J. C. do C.; Paiva, L. de C.; Gonçalves, G. S.; Machado, M. A.; Faza, D. R. de L. R.
Publisher
Embrapa Gado de Leite, Juiz de Fora, Brazil
Citation
Documentos - Embrapa Gado de Leite, 2018, No.220, pp 65 pp.
Abstract

Background: The lack of information on population structure is one of the main obstacles to develop breeding and conservation programs for animal genetic resources. Objective: To characterize the population structure of Crioula Lageana cattle breed (Bos taurus) in order to assess its genetic...

Author(s)
Pezzini, T.; Mariante, A. S.; Martins, E.; Paiva, S.; Seixas, L.; Costa Júnior, J. B.; Rolo, J.; McManus, C.
Publisher
Universidad de Antioquia, Medellín, Colombia
Citation
Revista Colombiana de Ciencias Pecuarias, 2018, 31, 2, pp 93-192
Abstract

The objectives of this study were to propose behavioral-based definitions for the adjectives used in an observer rating method, and to use this approach to characterize temperament over time in cattle kept under rotational stocking method. We also analyzed the feasibility of the rating method under ...

Author(s)
Góis, K. C. R.; Ceballos, M. C.; Sant'Anna, A. C.; Costa, M. J. R. P. da
Publisher
Sociedade Brasileira de Zootecnia, Viçosa, Brazil
Citation
Revista Brasileira de Zootecnia, 2016, 45, 9, pp 501-508
Abstract

Test-day milk, fat and protein yields and somatic cell score (SCS) of Brazilian Holstein cattle were used to study the effect of fixed (HTDF) vs random (HTDR) contemporary groups (herd-test-date) with or without unknown parent groups (UPG) using an autoregressive test-day animal model for genetic...

Author(s)
Silva, D. A. da; Costa, C. N.; Silva, A. A. da; Fonseca e Silva, F.; Lopes, P. S.; Santos, G. G. dos; Thompson, G.; Carvalheira, J.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Livestock Science, 2019, 220, pp 1-7
Abstract

The purpose of this review isto show the increase in number of research on covariance components and genetic evaluation using random regression models (RRM) for growth traits of Nellore cattle. Random regression models (RRM), also known as infinite-dimension models have been used to estimate...

Author(s)
Fonseca, W. J. L.; Evangelista, A. F.; Borges, L. da S.; Vogado, G. M. S.; Cavalcante, D. H.; Oliveira, M. R. A. de; Campelo, J. E. G.; Carvalho, M. D. F. de
Publisher
Fundacao Educacional de Ituverava, Sao Paulo, Brazil
Citation
Nucleus Animalium, 2016, 8, 2, pp 45-54
Abstract

The Red Sindhi cattle breed was imported to Brazil in small numbers. Nowadays, the herds of this breed are distributed in the Northeast, Southeast and Midwest regions of the country. In this study, DNA samples of animals originating from 15 herds in the Northeast and Southeast regions have been...

Author(s)
Panetto, J. C. C.; Silva, M. V. G. B.; Leite, R. M. H.; Machado, M. A.; Bruneli, F. A. T.; Reis, D. R. L.; Peixoto, M. G. C. D.; Verneque, R. S.
Publisher
FUNPEC, Brazil
Citation
Genetics and Molecular Research, 2017, 16, 1, pp 16019501
Abstract

The objective of this study was to estimate allele frequencies of the g.98535683A > G:BTAU7 SNP in the CAST gene in different genetic groups of beef cattle produced in Brazil (Nellore and their crosses with Bos taurus), and to evaluate associations between this polymorphism and meat traits. Five...

Author(s)
Enriquez-Valencia, C. E.; Pereira, G. L.; Malheiros, J. M.; Silva, J. A. I. I. de V.; Albuquerque, L. G.; Oliveira, H. N. de; Chardulo, L. A. L.; Curi, R. A.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Meat Science, 2017, 123, pp 64-66
Abstract

Evaluating phenotypic diversity makes it possible to identify discrepancies in aptitudes among animals of different genetic bases, which is an indicator of adaptive or selective differences between populations. The objective of this work was to evaluate the morphofunctional diversity of 452 male...

Author(s)
Rezende, M. P. G. de; Souza, J. C. de; Carneiro, P. L. S.; Bozzi, R.; Jardim, R. J. D.; Malhado, C. H. M.
Publisher
Springer Berlin, Heidelberg, Germany
Citation
Tropical Animal Health and Production, 2018, 50, 5, pp 1033-1040
Abstract

Improving reproductive indexes is of extreme importance in beef cattle production systems, as well as investigating new methodologies and traits in order to increase genetic gains for reproduction. Reproductive efficiency directly affects the profitability and productivity of herds, being an...

Author(s)
Kluska, S.; Silva, L. O. C.; Maia, F. M. C.; Lourenco, D. L.; Stivanin, T. E.; Baldi, F.; Peripolli, E.; Martins, E. N.
Publisher
CIPAV Foundation, Cali, Colombia
Citation
Livestock Research for Rural Development, 2018, 30, 5, pp Article 82

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