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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 ophthalmological parameters were evaluated of 38 male Nelore bovine (n=19, GN group) and Gir (n=19, GG group), with 15 months age. The ophthalmological examinations by Schirmer 1 (TLS-1), aplanation tonometry, retinography and B-mode ultrasonography were done. The results of the TLS-1,...

Author(s)
Morais, T. L.; Neves, C. A.; Borges, N. C.; Lima, A. M. V.; Silva, L. F. L.; Castro, L. T. S.; Espindola, S. O.; Cunha, P. H. J.
Publisher
FEPMVZ - Editora, Belo Horizonte, Brazil
Citation
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2019, 71, 1, pp 177-186
AbstractFull Text

Milk production has high economic importance in dairy cattle production systems, which justifies its inclusion in genetic breeding programs. The objective of this study was to evaluate the genetic and phenotypic trends of dairy traits in Gyr (167 lactations) and Guzerá (148 lactations) breeds in...

Author(s)
Rangel, A. H. do N.; Araújo, T. P. M.; Lima, G. F. da C.; Borba, L. H. F.; Peixoto, M. G. C. D.; Lima Júnior, D. M. de
Publisher
Universidade Estadual de Maringá, Maringá, Brazil
Citation
Acta Scientiarum - Animal Sciences, 2018, 40, pp e35685
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

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 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
AbstractFull Text

The objectives of this study were to describe occurrences of Rhabditis spp. causing parasitic otitis in dairy cattle of Gir breed in the state of Espírito Santo, southeastern Brazil, and to evaluate the biological control of this nematode using the nematophagous fungi Duddingtonia flagrans (AC001)...

Author(s)
Sobral, S. A.; Ferreira, B. S.; Senna, C. C.; Ferraz, C. M.; Moreira, T. F.; Fidelis Junior, O. L.; Hiura, E.; Tobias, F. L.; Machado, R. Z.; Araújo, J. V. de; Braga, F. R.
Publisher
Colégio Brasileiro de Parasitologia Veterinária, São Paulo, Brazil
Citation
Brazilian Journal of Veterinary Parasitology, 2019, 28, 2, pp 333-337
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
AbstractFull Text

The objective of this study was to evaluate the ingestive behavior of five different genetic groups of F1 Holstein × Zebu (H × Z) cows during lactation during the summer. The evaluated groups were: Holstein × Gir, Holstein × Nelogir, Holstein × Guzonel, Holstein × Nelore and × Indubrasil. The...

Author(s)
Pereira, K. C. B.; Carvalho, C. da C. S.; Ruas, J. R. M.; Menezes, G. C. de C.; Castro, A. L. de O.; Costa, M. D. da
Publisher
Escola de Medicina Veterinária, Universidade Federal da Bahia, Bahia, Brazil
Citation
Revista Brasileira de Saude e Producao Animal, 2018, 19, 2, pp 207-215
Abstract

The aim of this study was to evaluate the effects of the feed supplements monensin, virginiamycin, or a combination of the two, on intake, digestibility, and methane emission in the male cattle breed F1 Holstein × Gir. We used a complete randomised design with four treatments consisting of the...

Author(s)
Fonseca, M. P. da; Borges, A. L. da C. C.; Reis e Silva, R.; Lage, H. F.; Ferreira, A. L.; Lopes, F. C. F.; Pancoti, C. G.; Rodrigues, J. A. S.
Publisher
CSIRO, Collingwood, Australia
Citation
Animal Production Science, 2016, 56, 7, pp 1041-1045

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