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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
Abstract

The objective was to estimate genetic correlations for persistency, milk yield and somatic cell score (SCS) in Holstein cattle in Brazil. A dataset with 190389 records of test-day milk and of test-day SCS from 21824 cows was used. Two-trait random regression model with a fourth order Legendre...

Author(s)
Padilha, A. H.; Alfonzo, E. P. M.; Daltro, D. S.; Torres, H. A. L.; Braccini Neto, J.; Cobuci, J. A.
Publisher
CSIRO, Collingwood, Australia
Citation
Animal Production Science, 2019, 59, 2, pp 207-215
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
Abstract

The fly Dermatobia hominis is a parasite of domestic animals and man, in the larval phase, causes nodular myiasis called berne. Among domestic animals, cattle are the most affected. This parasite originates from the American continent, and is present throughout Latin America. The main economic...

Author(s)
Dias, A. S.
Publisher
Federal University of Ceará, Fortaleza, Brazil
Citation
Revista Brasileira de Higiene e Sanidade Animal, 2018, 12, 4, pp 470-476
Abstract

The current study was carried out to evaluate the quality of raw milk, in rainy and dry seasons in 2012, 2013 and 2014, in Goiás State, Brazil, by means of the hygienic-sanitary indicators TBC and SCC, comparing with the legal limits of the Normative. A total of 1,600 dairy herds of Goias State,...

Author(s)
Neves, R. B. S.; Mesquita, A. J. de; Santos, M. V. dos; Nicolau, E. S.; Bueno, C. P.; Coelho, K. O.
Publisher
Universidade Federal do Paraná, UFPR, Palotina, Brazil
Citation
Archives of Veterinary Science, 2019, 24, 1, pp 10-23
Abstract

Fasciolosis is a zoonotic disease with a worldwide distribution caused by Fasciola hepatica, which leads to severe economic losses in cattle such as reducing meat and milk production, livers condemnation, growth retardation and increase in mortality. From October 2008 to April 2011, condemned...

Author(s)
Mendes, T. M. F.; Boas Filho, D. V.; Bataglioli, A. S.; Prado, A. P. do; Madi, R. R.; Ueta, M. T.; Pinto, M. C.; Allegretti, S. M.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Veterinary Parasitology: Regional Studies and Reports, 2019, 17, pp 100293
Abstract

A commercial feed additive, OmniGen-AF® (OMN; Phibro Animal Health, Teaneck, NJ), has shown positive impacts on thermoregulation and milk production in confined dairy cows. This study was carried out to evaluate whether OMN has similar effects on grazing dairy cows. For the latter purpose, feed...

Author(s)
Gandra, J. R.; Takiya, C. S.; Valle, T. A. del; Orbach, N. D.; Ferraz, I. R.; Oliveira, E. R.; Goes, R. H. T. B.; Gandra, E. R. S.; Pereira, T. L.; Batista, J. D. O.; Araki, H. M. C.; Damiani, J.; Escobar, A. Z.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Livestock Science, 2019, 221, pp 28-32
Abstract

Genetic associations were estimated between 305-day cumulative milk yield (MY305) and maximum somatic cell score (SCS) in the first lactation, stayability in the herd at 60 months of age (Stay60), and linear udder and feet and legs traits. First-lactation records of Holstein cows reared in...

Author(s)
Stefani, G.; El-Faro, L.; Santana Júnior, M. L.; Tonhati, H.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Livestock Science, 2018, 218, pp 1-7
Abstract

This study aimed to characterize the profile of milk cattle farmers of the Northwest region of Minas Gerais State regarding the use of artificial insemination (AI) and see the most relevant factors in the perception of farmers for the adoption process of AI. From January to April 2014, 97 milk ...

Author(s)
Cunha, J. C. da; Araújo, I. C. S. de; Resende Filho, N. J.; Carvalho, G. R. de
Publisher
Sociedade Brasileira de Zootecnia, Viçosa, Brazil
Citation
Revista Brasileira de Zootecnia, 2018, 47, pp e20170196
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

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