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AbstractFull Text

The aim of this study was to quantify the effects of the genetic group, heat stress and somatic cell count (SCS) on the milk production and composition of Holstein, Jersey and Girolando genotypes cows in subtropical climates. Were used 14181 milk test-day records from a seven years period in a...

Author(s)
Ludovico, A.; Trentin, M.; Rêgo, F. C. A.
Publisher
Instituto de Zootecnia, Facultad de Veterinaria, Córdoba, Spain
Citation
Archivos de Zootecnia, 2019, 68, 262, pp 236-243
AbstractFull Text

The objective of this work was to make a bibliographic survey of the main functions of selenium in cattle feeding, aiming at its occurrence in Brazilian pastures, the malfunctions of its deficiency or even intoxication and the sources and forms of supplementation for cattle. Selenium is a mineral...

Author(s)
Avante, M. G.; Padovam Junior, P. S.; Oba, E.; Chiacchio, S. B.; Reis, L. S. L. de S.
Publisher
Faculdade de Medicina Veterinária e Zootecnia, Universidade Estadual Paulista, Botucatu, Brazil
Citation
Veterinária e Zootecnia, 2018, 25, II Simpósio, pp 27-37
Abstract

Crosses between Holstein and Jersey breeds have been used by a growing number of farmers, but there are gaps in knowledge, especially in comparison of crossbreds with Jersey cows. In this sense, the objective of this study was to compare reproductive and productive performance of crossbred compared ...

Author(s)
Felippe, E. W.; Gomes, I. P. de O.; Thaler Neto, A.
Publisher
Universidade Federal do Paraná, UFPR, Palotina, Brazil
Citation
Archives of Veterinary Science, 2017, 22, 2, pp 48-54
AbstractFull Text

Mastitis is the main disease of livestock destined for dairy production, which affects the dairy producer and the dairy industry. In the first case the loss of production, and the second because of the lower industrial yield of dairy products. It is a multifactorial, multiple etiology, including...

Author(s)
Lopes, B. C.; Manzi, M. de P.; Langoni, H.
Publisher
Faculdade de Medicina Veterinária e Zootecnia, Universidade Estadual Paulista, Botucatu, Brazil
Citation
Veterinária e Zootecnia, 2018, 25, 1, pp 173-178
Abstract

The objective of the present study was to compare the accumulated milk production up to 305 days (P305), mean fat content (TGM) and mean protein (TPM) of crossbred females of the genetic compositions (CG) 1/2 HOL, 3/4 HOL and 5/8 HOL in a grass-fed milk production system. Data were collected from...

Author(s)
Lobo, M. H. S.; Saenz, E. A. C.; Silva, R. R.; Camargos, A. S.
Publisher
Universidade do Oeste Paulista (UNOESTE), Sao Paulo, Brazil
Citation
Colloquium Agrariae, 2017, 13, Especial 2, pp 118-123
AbstractFull Text

The aim was to evaluate diet composition factors that may interfere with intake, digestibility, milk yield and composition of crossbred Holstein × Zebus cows confined under Brazilian experimental conditions. The meta-analysis was used for the survey of scientific works of public domain, covering...

Author(s)
Alessio, D. R. M.; Velho, J. P.; Knob, D. A.; Silveira, V. C. P.; Velho, I. M. P. H.; Hess, A. F.; Thaler Neto, A.
Publisher
FEPMVZ - Editora, Belo Horizonte, Brazil
Citation
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2019, 71, 2, pp 667-676
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

Performance indicators of 159 dairy farms in the Triângulo Mineiro-Alto Paranaíba region of the Minas Gerais state, in 2007 and 2008, were evaluated. Data was obtained monthly by 18 private consultants. Milk yield was 770(697 L/d), from 81(54 lactating cows), and 109(75 ha were explored). Yearly...

Author(s)
Pereira, M. N.; Resende, J. C.; Pereira, R. A. N.; Silva, H. C. M.
Publisher
FEPMVZ - Editora, Belo Horizonte, Brazil
Citation
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2016, 68, 4, pp 1033-1042
AbstractFull Text

We identified which performance indicators determined the variation in profitability of 159 farms of the Triângulo Mineiro-Alto Paranaíba region of Minas Gerais. Profitability was measured by annual net income (RL), RL over assets value, and RL over gross income. The 119 farms with positive...

Author(s)
Resende, J. C.; Freitas, A. F.; Pereira, R. A. N.; Silva, H. C. M.; Pereira, M. N.
Publisher
FEPMVZ - Editora, Belo Horizonte, Brazil
Citation
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2016, 68, 4, pp 1053-1061
AbstractFull Text

Brazil ranks fifth among the world's largest milk producers. Goiás ranks fourth among the states that produce milk with increased prospects over the years. The objective of this study was to describe the effects of heat stress on the milk production of dairy cows. It was shown that heat stress...

Author(s)
Melo, A. F.; Moreira, J. M.; Ataídes, D. S.; Guimarães, R. A. M.; Loiola, J. L.; Sardinha, H. C.
Publisher
Pubvet, Maringá, Brazil
Citation
PUBVET, 2016, 10, 10, pp 721-730

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