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Abstract

The State of Minas Gerais is the main milk producer in Brazil, with 8756 billion liters per year and yield of 1555 kg milk per cow per year. It is very important to know the productive and reproductive behavior of dairy cows in different production systems in order to improve their efficiency. In...

Author(s)
Ruas, J. R. M.; Silva, E. A. da; Queiroz, D. S.; Menezes, A. de C.; Marcatti Neto, A.
Publisher
Empresa de Pesquisa Agropecuária de Minas Gerais, Belo Horizonte, Brazil
Citation
Informe Agropecuario, 2014, 35, Special, pp 113-120
AbstractFull Text

The objective of this study was to evaluate the effects of the climatic environment on the physiological responses, changes in the hair coat and milk production of F1 Holstein and Zebu cattle from different maternal bases in two different seasons of the year. The study was conducted at the...

Author(s)
Santos, L. V.; Carvalho, C. da C. S.; Ruas, J. R. M.; Diniz, T. A.; Silva, E. A. da; Moreira, S. de J. M.
Publisher
Universidade do Estado de Santa Catarina (UDESC), Santa Catarina, Brazil
Citation
Revista de Ciências Agroveterinárias, 2018, 17, 3, pp 368-376
AbstractFull Text

The objective was to evaluate the economic viability of a milk production system of F1 Holstein × Zebu cows of different maternal bases and calving order. Lactations data of F1 Holtein × Zebu cows (n=406) of different maternal bases, from the experimental field of the EPAMIG at Felixlândia county...

Author(s)
Martins Neto, T.; Silva, C. B.; Ruas, J. R. M.; Silva, E. A.; Queiroz, D. S.; Costa, M. D.; Gomes, V. M.; Santos, L. H. T.
Publisher
FEPMVZ - Editora, Belo Horizonte, Brazil
Citation
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2018, 70, 6, pp 1959-1969
Abstract

Most of the Brazilian milk production comes from mixed herds formed from the crossbreeding of European dairy cattle with zebu cattle, resulting in animals adapted to tropical climates which are able to provide milk and meat within an appropriate management of production called System Production of...

Author(s)
Mendes, G. A.; Rocha Júnior, V. R.; Ruas, J. R. M.; Gonçalves, M. E. P.; Costa, M. D. da; Caldeira, L. A.
Publisher
Empresa de Pesquisa Agropecuária de Minas Gerais, Belo Horizonte, Brazil
Citation
Informe Agropecuario, 2010, 31, 258, pp 101-110
Abstract

Among the products of the agricultural sector, milk stands, due to the volume produced and number of families involved in this activity. Despite this expression, productivity levels are still low. Therefore, there is a need to increase milk production sustainability and profitability. The EPAMIG...

Author(s)
Ruas, J. R. M.; Menezes, A. de C.; Carvalho, B. C. de; Queiroz, D. S.; Silva, E. A. da; Ferreira, J. J.
Publisher
Empresa de Pesquisa Agropecuária de Minas Gerais, Belo Horizonte, Brazil
Citation
Informe Agropecuario, 2010, 31, 258, pp 63-71
Abstract

The effect of the use of a system with four milkings in early lactation of crossbred cows on the profitability of dairy farming of a milk production system was analyzed by means of simulation. During the rainy season, in the summer season, the cows were kept on pastures and during the dry season,...

Author(s)
Teixeira Júnior, F. E. P.; Lopes, M. A.; Ruas, J. R. M.; Costa, M. D.; Rocha Júnior, V. R.
Publisher
Universidade Federal Rural de Pernambuco, Recife, Brazil
Citation
Medicina Veterinária (Brasil), 2017, 11, 1, pp 53-61
Abstract

The family farm has great importance in food production in the generation of income and jobs in rural areas. It is present in more than 80% of farms in Brazil and is responsible for about 60% of milk produced in the country. The operating cost associated with workers who reside in rural areas also...

Author(s)
Ruas, J. R. M.; Guimarães, A. de S.; Carvalho, B. C. de; Queiroz, D. S.; Silva, E. A. da
Publisher
Empresa de Pesquisa Agropecuária de Minas Gerais, Belo Horizonte, Brazil
Citation
Informe Agropecuario, 2010, 31, 256, pp 7-14
Abstract

Minas Gerais State is a major milk producer in Brazil. Nutrition programmes adopted by EPAMIG (Agricultural Research Enterprise of Minas Gerais) primarily based on pasture use for feeding of cattle herds are outlined. Breeding programmes by EPAMIG are also considered including crosses of Dutch or...

Author(s)
Ferreira, J. J.; Amaral, R.; Ruas, J. R. M.; Marcatti Neto, A.; Menezes, A. de C.; Barcelos, A. F.
Publisher
Empresa de Pesquisa Agropecuária de Minas Gerais, Belo Horizonte, Brazil
Citation
Boletim Tecnico - Empresa de Pesquisa Agropecuaria de Minas Gerais, 2007, No.83, pp 47 pp.

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