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Abstract

This study describes the semen colletion by manual stimulation of the penis in the bull. A Nellore bull was used unconditioned for any semen collection method. The technique developed consisted of massage of the perineal region until the animal presented erection, followed by pressure in the glans...

Author(s)
Weiss, R. R.; Abreu, A. C. M. R.; Busato, E. M.; Galan, T. G. B.; Bertol, M. A. F.; Bortoleto, C.; Lara, N. S. S. de
Publisher
Universidade Federal do Paraná, UFPR, Palotina, Brazil
Citation
Archives of Veterinary Science, 2019, 24, 2, pp 55-60
Abstract

The selection of beef cattle should not only evaluate the body weight, but also its distribution in the body structure of the animal. The visual evaluation can contribute as indicative of the proportion of different tissues, allowing to identify functional body biotypes. The objective of this study ...

Author(s)
Souza, J. C. de; Vargas, M. S.; Rezende, M. P. G. de; Coelho Filho, R. S.; Barros, B. J. P.; Mota, M. F.; Arruda, R. M. da S. de; Ferraz Filho, P. B.; Souza, C. F. de; Malhado, C. H. M.
Publisher
CIPAV Foundation, Cali, Colombia
Citation
Livestock Research for Rural Development, 2019, 31, 5, pp Article 72
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 genetic evaluation of Gir cows in 2018 incorporates the genomic data analysis in its methodology. This technology provides the correction and enhancement of kinship estimates and increased reliabilities of predictions of genetic values, allowing the selection of genetically superior animals for ...

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.223, pp 35 pp.
Abstract

Forages play a key role on the performance of beef cattle in feedlot systems. Twenty-four non-castrated F1 Red Norte × Nelore males with an average initial body weight (BW) of 439.8±59.6 kg and 21.7±2.7 months of age were distributed in three experimental groups, and housed either in individual or...

Author(s)
Custodio, S. A. S.; Silva, D. A. L. da; Goulart, R. de O.; Dias, K. M.; Paim, T. do P.; Carvalho, E. R. de
Publisher
Universidade Federal do Paraná, UFPR, Palotina, Brazil
Citation
Archives of Veterinary Science, 2018, 23, 1, pp 33-43
Abstract

The aim of this study was to identify the neurological diseases that affected cattle in Paraná state between the years 2009 and 2015. The investigation took place, preferably, in the farms where cases occurred. Information on the evolution of the diseases in the affected cattle of the herd was...

Author(s)
Queiroz, G. R.; Oliveira, R. A. M. de; Flaiban, K. K. M. C.; Santis, G. W. di; Bracarense, A. P. F. R. L.; Headley, S. A.; Alfieri, A. A.; Lisbôa, J. A. N.
Publisher
Colégio Brasileiro de Patologia Animal, Rio de Janeiro, Brazil
Citation
Pesquisa Veterinária Brasileira, 2018, 38, 7, pp 1264-1277
Abstract

The identification of pain in cattle and your relief, are essential for animal welfare, however there is still no ideal test for this evaluation. Some researchers have used serum cortisol, heart and respiratory rates for this assessment, while others use scales based on behavior or facial...

Author(s)
Bertagnon, H. G.; Batista, C. F.; Bellinazzi, J. B.; Coneglian, M. M.; Mendes, A. F.; Libera, A. M. M. P. della
Publisher
Colégio Brasileiro de Patologia Animal, Rio de Janeiro, Brazil
Citation
Pesquisa Veterinária Brasileira, 2018, 38, 3, pp 436-443
Abstract

The present study was conducted with the objective to report an outbreak of photosensitization caused by Froelichia humboldtiana in dairy cattle in the State of Rio Grande do Norte, Brazil. Animals from a rural property with symptoms compatible with photodermatitis were examined. Peripheral blood...

Author(s)
Knupp, S. N. R.; Borburema, C. C.; Araújo, V. O.; Silva, T. K. F.; Riet-Correa, F.; Knupp, L. S.; Lucena, R. B.
Publisher
Colégio Brasileiro de Patologia Animal, Rio de Janeiro, Brazil
Citation
Pesquisa Veterinária Brasileira, 2018, 38, 5, pp 811-816
AbstractFull Text

Data of dry matter intake (DMI) individually measured in animals are critical to the feed efficiency (FE) indexes. This information guide the decisions made in breeding programs. Here, the objective was describes the technologies and protocols available to measure the DMI in cattle and the use of...

Author(s)
Baldassini, W. A.; Santos, A. C. R. dos; Feltrin, G. B.; Coutinho, M. A. da S.; Guimarães, A. L.; Mercadante, M. E. Z.; Chavez, A. S.; Lanna, D. P. D.
Publisher
Western Parana State University, Parana, Brazil
Citation
Scientia Agraria Paranaensis, 2016, 15, 1, pp 5-14
Abstract

Increasing food production without compromising the environment is a global concern. Researchers in the beef production chain have been searching for technologies in an attempt to address this concern by developing research related to management, sanitation, food and reproduction. Reproductive...

Author(s)
Colombo, A. H. B.; Cavalieri, F. L. B.; Andreazzi, M. A.; Moreski, D. A. B.; Botelho, A. C. F. de A.; Santos, J. M. G. dos
Publisher
Universidade Federal do Paraná, UFPR, Palotina, Brazil
Citation
Archives of Veterinary Science, 2017, 22, 1, pp 81-89

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