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Abstract

Lameness is a growing concern to the dairy industry worldwide. However, little is known about lameness and its causes in grazing cattle, especially in tropical climates. This study aimed to assess the prevalence of hoof lesions and lameness in dairy herds of all year-round grazing cattle under...

Author(s)
Moreira, T. F.; Nicolino, R. R.; Andrade, L. S. de; Facury Filho, E. J.; Carvalho, A. U. de
Publisher
Springer Berlin, Heidelberg, Germany
Citation
Tropical Animal Health and Production, 2018, 50, 8, pp 1829-1834
Abstract

Random regression models (RRM) differ in terms of the functions used to describe the shape of lactation curves. The aim was to compare random regression models under different functions to describe the lactation curves from Holstein cows in herds of the state of Minas Gerais. A database of 28,118...

Author(s)
Azevedo Junior, J.; Gonçalves, T. de M.; Souza, J. C. de; Rodriguez, M. A. P.; Costa, C. N.; Carvalheira, J. G. V.
Publisher
Canadian Center of Science and Education, Toronto, Canada
Citation
Journal of Agricultural Science (Toronto), 2018, 10, 2, pp 1-14
AbstractFull Text

Bovine mastitis is the most relevant disease in dairy cattle worldwide, causing significant losses to producers, the dairy industry and consumers. The objective of this study was to evaluate the economic impact of bovine mastitis on production and economy under Brazilian farm conditions. For this,...

Author(s)
Mesquita, A. A.; Borges, J.; Pinto, S. M.; Lugli, F. de F.; Castro, A. C. de O.; Oliveira, M. R. de; Costa, G. M. da
Publisher
Pubvet, Maringá, Brazil
Citation
PUBVET, 2018, 12, 6, pp 1-8
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 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 aim was to carry out a survey of dairy farms concerning aspects related to the pre-weaning and post-weaning of dairy cows. Interviews were conducted with 30 dairy farmers of different technological levels and milk production scale in the period of April to July of 2016. A semi-structured form...

Author(s)
Conceição, T. G. R.; Lopes, M. A.; Cardoso, M. G.; Vieira, J. A.; Pereira, A. B.
Publisher
Universidade Federal Rural de Pernambuco, Recife, Brazil
Citation
Medicina Veterinária (Brasil), 2018, 12, 3, pp 212-221
AbstractFull Text

This study aimed at correlating reproductive rates with milk production based on the evaluation of cows in different milk production levels in a commercial dairy herd located at Triângulo Mineiro region. A total of 241 cows of the following breeds were monitored: Holstein, Girolando, Jersey...

Author(s)
Gallo, S. B.; Graciosa, M. G.; Matarim, D. L.
Publisher
Faculdade de Ciências Agrárias e Veterinárias, Câmpus de Jaboticabal, UNESP, Jaboticabal, Brazil
Citation
Científica (Jaboticabal), 2016, 44, 3, pp 451-456
AbstractFull Text

The objective was to evaluate the productive and reproductive performances of F1 Holstein × Gir cows in the state of Minas Gerais. The herd during the summer was managed in a pasture based production system with supplementation of concentrate according to milk production and in the winter it was...

Author(s)
Ribeiro, L. S.; Goes, T. J. F.; Torres Filho, R. A.; Araújo, C. V.; Reis, R. B.; Saturnino, H. M.
Publisher
FEPMVZ - Editora, Belo Horizonte, Brazil
Citation
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2017, 69, 6, pp 1624-1634
Abstract

A simulation study was conducted to estimate the production costs of animals with different proportions of Holstein genes and annual return per cow in a herd from the northern region of Minas Gerais. Data from the zootechnical archive of Fazenda Queluz, Francisco Sá, MG, Brazil, comprising the...

Author(s)
Costa, M. D.; Ruas, J. M. N.; Martins Neto, T.; Rodriguez, M. A. P.; Venturin, R. P.; Mendes, L. J.; Gomes, W. F. R.
Publisher
Departmento da Producao Animal, Secretaria da Agricultura, Industria e Comercio, Sao Paulo, Brazil
Citation
Boletim de Indústria Animal, 2016, 73, 3, pp 244-251
AbstractFull Text

Somatic cell count (SCC) and milk production of crossbred Holstein x Gir were used to evaluate the estimated loss of milk production two methodologies, based on the average SCC of total closed lactation, or average SCC and weighing milk at different stages of lactation. In primiparous with SCC mL...

Author(s)
Costa, H. N.; Molina, L. R.; Lage, C. F. A.; Malacco, V. M. R.; Facury Filho, E. J.; Carvalho, A. Ú.
Publisher
FEPMVZ - Editora, Belo Horizonte, Brazil
Citation
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2017, 69, 3, pp 579-586

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