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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
AbstractFull Text

We aimed to evaluate the technical efficiency and economic viability of the implementation and use of four cattle identification methods allowed by the Brazilian traceability system. The study was conducted in a beef cattle production system located in the State of Mato Grosso, from January to June ...

Author(s)
Lopes, M. A.; Junqueira, L. V.; Bruhn, F. R. P.; Demeu, A. A.; Silva, M. da D.
Publisher
Universidade Estadual de Londrina, Londrina, Brazil
Citation
Semina: Ciências Agrárias (Londrina), 2017, 38, 1, pp 467-480
Abstract

The objective of this study was to analyze pasture, nutrition, reproduction, sanitary and financial management, the good practices in milk production and evaluate their influence on the productivity of the herds from 15 families in the municipality of Tabuleiro-MG, selected in the Program Chamada...

Author(s)
Pires, M. A. S.; Almeida Júnior, G. A. de; Lopes, M. A.
Publisher
Universidade Federal Rural de Pernambuco, Recife, Brazil
Citation
Medicina Veterinária (Brasil), 2018, 12, 3, pp 222-231
Abstract

The objective of this study was to characterize family-owned dairy farms regarding aspects related to the rearing of calves. The data came from twelve farms, located in the Northwest region of Minas Gerais, in the municipality of Presidente Olegário; in the period between May and June 2016. The...

Author(s)
Pereira, J. dos R.; Almeida Júnior, G. A. de; Lopes, M. A.; Vieira, J. A.; Pereira, A. B.
Publisher
Universidade Federal Rural de Pernambuco, Recife, Brazil
Citation
Medicina Veterinária (Brasil), 2018, 12, 2, pp 115-125
Abstract

The objective of this study was to characterize family-owned dairy farms regarding aspects related to the rearing of heifers. The data came from 12 dairy farms, located in the Northwest region of Minas Gerais, in the municipality of Presidente Olegário, community of Cachoeirinha/Boa Vista; in the...

Author(s)
Pereira, J. dos R.; Almeida Júnior, G. A. de; Lopes, M. A.; Vieira, J. A.; Pereira, A. B.
Publisher
Universidade Federal Rural de Pernambuco, Recife, Brazil
Citation
Medicina Veterinária (Brasil), 2018, 12, 2, pp 126-135
Abstract

The management of costs is used as a performance indicator by private companies in various sectors and, more recently, in public institutions, which offer free products and services to society. This article aimed to analyze the costs and revenues generated from the Production and Practice Labs...

Author(s)
Corrêa, U.; Benedicto, G. C. de; Carvalho, F. de M.; Campos, R. S.; Lopes, M. A.; Ribeiro, B. P. V. B.
Publisher
Universidade Federal de Lavras, Lavras, Brazil
Citation
Ciência e Agrotecnologia, 2016, 40, 3, pp 337-346
AbstractFull Text

This work was intended to develop a computational system to aid both technicians and farmers to estimate the economic impact of mastitis in dairy herds; to develop a tool which enables the technician and or farmer to effect simulations involving a number of animal performance indices and parameters ...

Author(s)
Lopes, M. A.; Santos, G. dos; Costa, G. M. da; Demeu, F. A.; Lopes, N. M.
Publisher
Pubvet, Maringá, Brazil
Citation
PUBVET, 2016, 10, 4, pp 312-320
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
AbstractFull Text

The effect of some technical and management indexes on economic efficiency was studied in 20 demonstration units (UD), with different types of labour, participants in the "Balde Cheio" program, in Rio de Janeiro State from January to December 2011. The analysis was based on gross margin, liquid...

Author(s)
Moraes, F. de; Lopes, M. A.; Brunhn, F. R. P.; Carvalho, F. M.; Lima, A. L. R.; Reis, E. M. B.
Publisher
Asociación Latinoamericana de Producción Animal, Maracaibo, Venezuela
Citation
Archivos Latinoamericanos de Producción Animal, 2016, 24, 1, pp 29-38
Abstract

Background: thermal environment exerts a direct influence on animal performance. Environmental factors, in different circumstances, may affect milk production and fertility of animals, compromising the profitability of the activity. Under heat stress conditions dairy cows reduce feed intake and,...

Author(s)
Hernández Julio, Y. F.; Yanagi Junior, T.; Pires, M. F. Á.; Lopes, M. A.; Lima, R. R. de
Publisher
Universidad de Antioquia, Medellín, Colombia
Citation
Revista Colombiana de Ciencias Pecuarias, 2015, 28, 1, pp 42-53

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