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Abstract

Water is the most important nutrient in animal nutrition; however, water intake is rarely measured. The objective of this study was to determine whether previously published water intake (WI) equations for beef cattle would accurately predict WI from four experiments conducted under tropical...

Author(s)
Zanetti, D.; Prados, L. F.; Menezes, A. C. B.; Silva, B. C.; Pacheco, M. V. C.; Silva, F. A. S.; Costa e Silva, L. F.; Detmann, E.; Engle, T. E.; Valadares Filho, S. C.
Publisher
Oxford University Press, Cary, USA
Citation
Journal of Animal Science, 2019, 97, 3, pp 1364-1374
AbstractFull Text

Injuries to bovine hooves are highly painful and lead to serious health problems when left untreated, directly affecting animal productivity and welfare. The prevalence of these diseases is already well established in dairy cattle, but little is known about their occurrence in beef cattle from...

Author(s)
Viana, R. B.; Monteiro, B. M.; Melo, W. de O.; Oliveira, D. R. de; Daher, L. C. C.; Ribeiro Filho, J. D.
Publisher
Pontificia Universidade Católica do Paraná, São José dos Pinhais, Brazil
Citation
Revista Acadêmica: Ciência Animal, 2018, 16, Special edition, pp e163005
AbstractFull Text

The objective of this study was to evaluate the SNPs rs471462296, rs456245081 and rs438495570 of the DGAT1 gene in 109 Nellore cattle in Brazil. Genomic DNA extraction was performed from the blood of the animals using the Illustrated Blood Genomic Prep Mini Spin kit (GE Healthcare, UK). The...

Author(s)
Freire, K. M. B.; Silva, C. C.; Duarte, S. S. M.; Teodoro, L. S.; Costa, E. O. A.; Silva, D. C.; Godoy, F. R.; Cruz, A. D. da; Cruz, A. S. da
Publisher
FEPMVZ - Editora, Belo Horizonte, Brazil
Citation
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2019, 71, 2, pp 720-721
AbstractFull Text

The objective of this study was to evaluate the carcass and meat characteristics of Aberdeen Angus steers surgically castrated at two ages or immunocastrated with two protocols. Forty-eight calves we used, monitored from birth and weaned, with age and initial mean weight of six months and 160±16.54 ...

Author(s)
Machado, D. S.; Alves Filho, D. C.; Argenta, F. M.; Brondani, I. L.; Viana, A. F. P.; Volpatto, R. S.; Oliveira, L. M.; Klein, J. L.; Moura, A. F.; Frasson, J. J. N.
Publisher
FEPMVZ - Editora, Belo Horizonte, Brazil
Citation
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2019, 71, 2, pp 658-666
AbstractFull Text

The intensification of beef cattle production systems, aiming to increase production rates, requires the use of technologies that favor the rational exploitation of livestock. Among the animal indicators, reproductive efficiency stands out because it is closely associated with the conditions of...

Author(s)
Sousa, R. T. de; Gonçalves, J. de L.; Santos, S. F. dos; Fernandes, A. M. F.; Ricci, G. dela
Publisher
Pubvet, Maringá, Brazil
Citation
PUBVET, 2018, 12, 5, pp RF2082
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
AbstractFull Text

This study aimed to demonstrate the effect of age on bull traits such as scrotal circumference, pelage color, and semen quality, from puberty to post sexual maturity. Data from 6607 breeding soundness examinations of pasture raised Nelore bulls were used. The animals presented different age groups...

Author(s)
Fonseca, V. O.; Souza, C. F.; Azevedo, N. A.; Oliveira, L. Z.; Monteiro, G. A.; Cavalcanti, L. F. L.; Molina, L. R.
Publisher
FEPMVZ - Editora, Belo Horizonte, Brazil
Citation
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2019, 71, 2, pp 385-392
Abstract

We aimed to evaluate the impact of using embryo transfer (ET) information on weaning weight estimated breeding values (EBV) and its accuracy. Data from Hereford and Braford cattle, raised under extensive conditions in Southern Brazil, were used. A model that included ET information in addition to...

Author(s)
Junqueira, V. S.; Lopes, P. S.; Resende, M. D. V. de; Fonseca e Silva, F.; Lourenço, D. A. L.; Yokoo, M. J. I.; Cardoso, F. F.
Publisher
Sociedade Brasileira de Zootecnia, Viçosa, Brazil
Citation
Revista Brasileira de Zootecnia, 2018, 47, pp e20170033
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.
AbstractFull Text

The aim of the present study was to evaluate biometric measures of Crioula Lageana cattle breed at different ages, to establish patterns of variation of these measures, contributing to the phenotypic characterization of the breed. Body measurements (body length, shoulder height, thoracic perimeter, ...

Author(s)
Pezzini, T. G.; Mariante, A. S.; Martins, E.; Paiva, S.; Rôlo, J.; Seixas, L.; Peripolli, V.; Tanure, C. B. G. S.; McManus, C.
Publisher
Instituto de Zootecnia, Facultad de Veterinaria, Córdoba, Spain
Citation
Archivos de Zootecnia, 2018, 67, 260, pp 604-608

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