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AbstractFull Text

The objective of this study was to evaluate the technical and economic efficiency of different methods of cattle weighing, and to develop mathematical equations to estimate the breakeven point for the adoption of electronic weighing, i.e., to estimate how many animals are required for the...

Author(s)
Lopes, M. A.; Vieira, J. A.; Lima, F. H. S. de; Demeu, F. A.; Bruhn, F. R. P.; Pereira, A.; Vicente, F. H.; Casas, P. S.
Publisher
Universidade Estadual de Londrina, Londrina, Brazil
Citation
Semina: Ciências Agrárias (Londrina), 2018, 39, 3, pp 1167-1179
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

This study aimed to evaluate the frequency of the species of Giardia duodenalis species and the genus Cryptosporidium spp. in dairy calves at different ages during the post-weaning phase in a herd located in Boa Esperança, South of Minas Gerais State, Brazil, during the fall-winter season. It were...

Author(s)
Demeu, F. A.; Lopes, M. A.; Perazza, C. A.; Santos, G. dos; Carvalho, A. H. O. de; Ribeiro, A. D. B.; Pedrosa, M. F.; Guimarães, A. M.; Brhun, F. R. P.
Publisher
Departmento da Producao Animal, Secretaria da Agricultura, Industria e Comercio, Sao Paulo, Brazil
Citation
Boletim de Indústria Animal, 2011, 68, 1, pp 53-57
Abstract

The objective of this research was to evaluate the contamination of infecting larvae of parasitic nematodes in cattle on Cynodon sp. pasture. The research was conducted in a milk-production system situated in the town of Boa Esperança, in the southern region of Minas Gerais state, during the...

Author(s)
Perazza, C. A.; Lopes, M. A.; Carvalho, A. H. O. de; Demeu, F. A.; Santos, G. dos; Garcia, A. M.; Bruhn, F. R. P.
Publisher
Departmento da Producao Animal, Secretaria da Agricultura, Industria e Comercio, Sao Paulo, Brazil
Citation
Boletim de Indústria Animal, 2011, 68, 1, pp 59-65
AbstractFull Text

The scope of this research was to identify the strengths and weaknesses associated with the quality of milk in family farming properties, aiming at lifting and correcting gaps and, consequently, increasing productivity and profitability. Were analyzed 20 dairy cattle production systems, located in...

Author(s)
Reis, E. M. B.; Vieira, J. A.; Lopes, M. A.; Demeu, F. A.; Bruhn, F. R. P.
Publisher
Pubvet, Maringá, Brazil
Citation
PUBVET, 2017, 11, 9, pp 889-900
Abstract

It was aimed to calculate the production cost of Holstein bovine females breed in the weaning and post-weaning phases and to identify the components that exert greatest influence on the final operation costs. The data were collected on a dairy farm situated at Boa Esperança-MG. To calculate the...

Author(s)
Lopes, M. A.; Franco Neto, A.; Santos, G. dos; Demeu, F. A.; Lopes, L. M. F.; Rezende, S.
Publisher
Departmento da Producao Animal, Secretaria da Agricultura, Industria e Comercio, Sao Paulo, Brazil
Citation
Boletim de Indústria Animal, 2010, 67, 1, pp 9-15
AbstractFull Text

This study aimed to evaluate the effect of different anthelmintics in the control of gastrointestinal helminthiasis and weight gain of growing dairy calves. The experiment was conducted in a specialized system of milk production in the municipality of Boa Esperança, Minas Gerais, Brazil....

Author(s)
Bruhn, F. R. P.; Lopes, M. A.; Santos, G.; Demeu, F. A.; Perazza, C. A.; Neto, A. F.; Guimaraes, A. M.
Publisher
Asociación Latinoamericana de Producción Animal, Maracaibo, Venezuela
Citation
Archivos Latinoamericanos de Producción Animal, 2013, 21, 3, pp 173-180
AbstractFull Text

The frequency of species of the genus Eimeria in a dairy herd in the municipality of Boa Esperança, Southern region of the State of Minas Gerais was assessed. From 37 females of the Friesian breed aged three to seven months, 259 feces samples were analyzed between May and September 2008. The...

Author(s)
Bruhn, F. R. P.; Lopes, M. A.; Demeu, F. A.; Perazza, C. A.; Pedrosa, M. F.; Guimarães, A. M.
Publisher
Colégio Brasileiro de Parasitologia Veterinária, São Paulo, Brazil
Citation
Revista Brasileira de Parasitologia Veterinária, 2011, 20, 4, pp 303-307

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