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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

This publication discussed the different aspects of milk production specifically of Girolando cows (dairy cows) under an intensive system of dairy production. The different areas that were highlighted includes the description of the pasture area and location, pasture management, care of machines...

Author(s)
Teixeira, S. R.; Ribeiro, A. C. C. L.; Andrade, P. J. M.; Mendonça, L. C.; Campos, M. M.; Rocha, D. T. da; Morenz, M. J. F.; Salvati, J. A.; Carvalho, B. C. de
Publisher
Embrapa Gado de Leite, Juiz de Fora, Brazil
Citation
Comunicado Técnico - Embrapa Gado de Leite, 2018, No.92, pp 13 pp.
Abstract

The document of the Bulls′ Progeny Test Results of June 2018 presents innovative tools and resources for professionals and producers such as molecular information for genes of interest like the β-casein A1 or A2, and genetic age at first calving and milk production of the Girolando bull progenies.

Author(s)
Silva, M. V. G. B. da; Martins, M. F.; Cembranelli, M. de A. R.; Panetto, J. C. do C.; Paiva, L. de C.; Gonçalves, G. S.; Machado, M. A.; Faza, D. R. de L. R.
Publisher
Embrapa Gado de Leite, Juiz de Fora, Brazil
Citation
Documentos - Embrapa Gado de Leite, 2018, No.220, pp 65 pp.
AbstractFull Text

Research in specialized nutrition for zebu cattle in Brazil are somewhat advanced and widespread, specialize and deepen the scientific knowledge about the physiology and production characteristics of this group are of great value to breeders, since the livestock industry is becoming increasingly...

Author(s)
Silva, A. A.; Sousa, B. M. de; Reis e Silva, R.; Borges, A. L. C. C.; Costa, I. C.; Barata, F. G.; Carvalho, P. H. de A.; Silva, A. L. M.
Publisher
Pubvet, Maringá, Brazil
Citation
PUBVET, 2018, 12, 11, pp a211
Abstract

The productive performance and welfare of the dairy cattle is influenced by rural buildings destined to management in tropical climate, where high temperatures and moisture the air alter the physiological responses causing thermal stress. The dairy cow is a homeothermic animal with body temperature ...

Author(s)
Scatolon, J. D.; Boscoli, M. A. B.; Marques, T. A.; Rotondo, B. R.
Publisher
Universidade do Oeste Paulista (UNOESTE), Sao Paulo, Brazil
Citation
Colloquium Agrariae, 2017, 13, Especial, pp 222-228
Abstract

This work compared body measurements and body condition between Holstein × Jersey crossbred and Holstein cows. It was performed in four dairy herds with both Holstein and Holstein × Jersey cows, which was measured for 22 type traits and body condition score. There was measured lactating cows, with...

Author(s)
Parizotto Filho, R.; Thaler Neto, A.; França, M.; Camera, M.
Publisher
Universidade Federal do Paraná, UFPR, Palotina, Brazil
Citation
Archives of Veterinary Science, 2017, 22, 2, pp 55-64
Abstract

Brazil is the world's fourth largest milk producer and the molecular biology allows the genotyping of cattle ranchers seeking greater productivity and yield of protein levels. The aim was to genotype the K-CN gene in 18 cows in the dairy herd of Holstein, Gir and Mestizos by PCR, and compare the...

Author(s)
Veronezi, A. B. S.; Guaberto, L. M.; Araujo, D. S.; Martins, T. R.
Publisher
Universidade do Oeste Paulista (UNOESTE), Sao Paulo, Brazil
Citation
Colloquium Vitae, 2017, 9, 1, pp 45-51
Abstract

The aim was to evaluate the effect of different levels of palm oil on the protected form as supplement in dairy cows feeding, on body dynamics, milk production and composition, metabolic profile and reproduction. Assay was conducted from July to August 2013 in state of Paraná, Brazil. Twenty-seven...

Author(s)
Zatta, M. R.; Maeda, E. M.; Fluck, A. C.; Hill, J. A. G.; Silveira, A. L. F. da; Macedo, V. de P.; Carvalho, A. F. G.
Publisher
Veterinaria Organizacion S.L., Malaga, Spain
Citation
REDVET, 2017, 18, 9, pp 091747
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

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