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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 identify genetic polymorphisms of leptin, β-lactoglobulin and pituitary transcription factor (PIT1) and to evaluate its effects on the chemical composition and milk somatic cell count of crossbred dairy cows living in a hot climate. A total of 291 crossbred dairy...

Author(s)
Ferreira, J. B.; Guilhermino, M. M.; Leite, J. H. G. M.; Sousa, J. E. R.; Araújo, B. V. S.; Vasconcelos, A. M.; Lara, M. A. C.; Façanha, D. A. E.
Publisher
FEPMVZ - Editora, Belo Horizonte, Brazil
Citation
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2019, 71, 2, pp 715-719
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

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
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

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

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
AbstractFull Text

The aim of the present study was to evaluate hock and knee injuries and locomotor disorders in 36 multiparous Holstein cows confined in a free-stall model system with two types of beds at Embrapa Dairy Cattle in the city of Coronel Pacheco/MG. Rubber composite beds and sand beds were compared and...

Author(s)
Cecchin, D.; Campos, A. T.; Pires, M. de F. Á.; Sousa, F. A.; Amaral, P. I. S.; Yanagi Junior, T.; Ferreira, S. A.; Souza, M. C. M.; Cecchin, D.
Publisher
Universidade Federal Rural do Semi-Árido (UFERSA), Mossoro, Brazil
Citation
Journal of Animal Behaviour and Biometeorology, 2016, 4, 1, pp 1-5
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 BoLA region (Bovine Lymphocyte Antigen), has been paid attention to because of its alleles having influence on immune functions and production traits. The present study aimed at the identification and association of BoLA-DRB3.2 gene polymorphisms in 145 5/8 Girolando and Holstein dairy cows, in ...

Author(s)
Vilaça, L. F.; Diniz, W. J. S.; Melo, T. F.; Oliveira, J. C. V.; Guido, S. I.; Brito, C. E. V. L.; Costa, N. A.; Santoro, K. R.
Publisher
Instituto de Zootecnia, Facultad de Veterinaria, Córdoba, Spain
Citation
Archivos de Zootecnia, 2016, 65, 249, pp 7-11

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