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Abstract

The objective of the present study was to estimate genetic parameters for stayability at 60 months of age (STAY60) and its association with first lactation cumulative milk yield (P305), age at first calving (AFC), and first calving interval (FCI), in order to adopt these traits as selection...

Author(s)
Silva, R. M. O.; Boligon, A. A.; Fernandes, A. R.; Vercesi Filho, A. E.; El-Faro, L.; Tonhati, H.; Albuquerque, L. G.; Fraga, A. B.
Publisher
FUNPEC, Brazil
Citation
Genetics and Molecular Research, 2016, 15, 1, pp 15016958
AbstractFull Text

The Rhipicephalus (Boophilus) microplus tick is responsible for considerable economic losses in Brazil, causing leather damage, weight loss and reduced milk production in cattle and results in the transmission of pathogens. Currently, the main method for controlling this tick is using acaricides,...

Author(s)
Higa, L. de O. S.; Garcia, M. V.; Barros, J. C.; Koller, W. W.; Andreotti, R.
Publisher
Colégio Brasileiro de Parasitologia Veterinária, São Paulo, Brazil
Citation
Brazilian Journal of Veterinary Parasitology, 2016, 25, 2, pp 163-171
Abstract

Leukosis and tuberculosis are diseases that affect cattle and entail considerable economic losses, due to theim pact on productivity, but there are few reports that they occur simultaneously. Therefore, aimed to evaluate the complications of these diseases in cattles laughtered in São Gotardo, MG,...

Author(s)
Ramos, G. B.; Gomes, D. O.; Souza, M. A. de; Bombonato, N. G.; Lima, A. M. C.
Publisher
Instituto Biológico, São Paulo, Brazil
Citation
Arquivos do Instituto Biológico (São Paulo), 2016, 83, pp e0152014
Abstract

The study evaluated the average return on invested capital (ROIC) in function of the variations in the historical prices of beef cattle and the odds of return on that capital gain within the system of beef cattle fattening on a farm in the state of Minas Gerais, Brazil, from 2004 to 2007. To...

Author(s)
Santana, R. A. V.; Barbosa, F. A.; Andrade, V. J. de; Molina, P. C.; Maia Filho, G. H. B.; Leão, J. M.
Publisher
Sociedade Brasileira de Zootecnia, Viçosa, Brazil
Citation
Revista Brasileira de Zootecnia, 2016, 45, 12, pp 788-793
AbstractFull Text

The aim of this research was to examine some of the heat stress indexes mentioned in the literature and to decide which ones best reflect the potential impact of meteorological conditions on the thermal homeostasis of half-blood dairy heifers bred in Uberlândia, Triângulo Mineiro area, Minas...

Author(s)
Brettas, P. K. de M.; Nascimento, M. R. B. de M.; Guimarães, E. C.; Souza, G. P.
Publisher
Universidade Federal do Rio Grande do Sul, Faculdade de Veterinária, Porto Alegre, Brazil
Citation
Acta Scientiae Veterinariae, 2017, 45, pp 1486
AbstractFull Text

This study aimed to evaluate the influence of body condition score (BCS) on the probability of pregnancy in Nellore cattle on programs of timed artificial insemination (TAI). The TAI protocol and visual evaluation of the BCS (being 1, too lean to 5, too fat) were developed on 5,082 females with...

Author(s)
Torres, H. A. L.; Tineo, J. S. A.; Raidan, F. S. S.
Publisher
Instituto de Zootecnia, Facultad de Veterinaria, Córdoba, Spain
Citation
Archivos de Zootecnia, 2015, 64, 247, pp 255-259
Abstract

The state of Minas Gerais is the largest milk producer in Brazil which accounts for 27.6% of national production. Although there is constant evolution in the milk production chain due to the need to increase production efficiency, there are always new challenges and profit reduction involved in the ...

Author(s)
Martins, M. F.; Mendonça, J. F. M. de; Fonseca, I.; Silva, M. V. G. B. da; Machado, M. A.; Arbex, W. A.; Panetto, J. C. do C.; Verneque, R. da S.
Publisher
Empresa de Pesquisa Agropecuária de Minas Gerais, Belo Horizonte, Brazil
Citation
Informe Agropecuario, 2015, 36, 286, pp 108-112
Abstract

The objectives of this work were to analyze and to quantify the influence of the production scale on the economic impact of mastitis in dairy cattle herds. The study was conducted through a simulation in the computer system 'CU$TO MASTITE' ('MASTITIS CO$T'), considering dairy cattle with 50; 100...

Author(s)
Demeu, F. A.; Lopes, M. A.; Rocha, C. M. B. M. da; Costa, G. M. da; Santos, G. dos; Franco Neto, A.
Publisher
Editora UFV, Universidade Federal de Viçosa, Viçosa, Brazil
Citation
Revista Ceres, 2015, 62, 2, pp 167-174
Abstract

INTRODUCTION: This study evaluated the effects of cattle removal on the Culicidae mosquito community structure in a tropical dry forest in Brazil. METHODS: Culicidae were collected during dry and wet seasons in cattle presence and absence between August 2008 and October 2010 and assessed using...

Author(s)
Santos, C. F.; Borges, M.
Publisher
Sociedade Brasileira de Medicina Tropical, Uberaba, Brazil
Citation
Revista da Sociedade Brasileira de Medicina Tropical, 2015, 48, 4, pp 474-478
AbstractFull Text

Neosporosis in cattle herds is associated with large economic losses, with abortion being the only clinical sign perceptible to the producer. Losses are estimated at over one billion dollars worldwide. This study aimed to estimate the abortion risk difference in seropositive animals using specific...

Author(s)
Nicolino, R. R.; Capanema, R. O.; Oliveira, C. S. F. de; Pastrana, M. E. O.; Lopes, L. B.; Haddad, J. P. A.
Publisher
Centro de Ciências Rurais, Universidade Federal de Santa Maria, Santa Maria, Brazil
Citation
Ciência Rural, 2015, 45, 9, pp 1629-1633

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