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AbstractFull Text

The objective was to verify and describe the main weaknesses presented by a beef cattle production system and to organize the relevant aspects that should be altered to increase productivity through management tools. The data collected are results of a property, located in Acrelândia, Acre, in the...

Author(s)
Diniz, N. J.; Diniz, W. P.; Reis, E. M. B.
Publisher
Pubvet, Maringá, Brazil
Citation
PUBVET, 2020, 14, 1,
Abstract

This report describes a case of tracheobronchitis caused by Aspergillus fumigatus in a cow. A 4-year-old Jersey cow was submitted for necropsy examination. Grossly, the mucosa of the trachea and bronchi was diffusely reddened and was covered by a moderate amount of yellow, caseous material,...

Author(s)
Costa, L. S. da; Santiani, F.; Marian, L.; Spanamberg, A.; Pisetta, N. L.; Cristo, T. G. de; Ferreiro, L.; Casagrande, R. A.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Journal of Comparative Pathology, 2020, 176, pp 165-169
AbstractFull Text

In Brazil, animal welfare has been neglected for a long time, however, the topic is in a prominent position, due to worldwide recommendations for the consumption of animal foods. One of the most discussed approaches among those cited in the five animal welfare freedoms is maintaining the health of...

Author(s)
Grunitzky, L.; Centenaro, J. R.; Oliveira, A. G.; Cheffer, I. M.; Braz, P. H.
Publisher
Pubvet, Maringá, Brazil
Citation
PUBVET, 2020, 14, 6,
Abstract

Background: Somatic cell score is an important parameter to predict milk quality and health of cows. However, in countries like Brazil, this trait is still not selected on a large scale, and no genetic parameters are reported in the literature. Objective: To estimate the variance components and...

Author(s)
Romano, G. S.; Pinto, L. F. B.; Valloto, A. A.; Horst, J. A.; Pedrosa, V. B.
Publisher
Universidad de Antioquia, Medellín, Colombia
Citation
Revista Colombiana de Ciencias Pecuarias, 2020, 33, 1, pp 60-70
AbstractFull Text

The objective of this work was to detect groups of bacteria in the rumen content of buffaloes and cattle using molecular biology techniques. The samplings were carried out in the Fridge Mararu, in the city of Santarém-PA. Were collected 10 samples of ruminal fluid, being 5 to buffaloes and 5 of ...

Author(s)
Souza, L. L. de; Azevedo, M. M. R.; Hager, A. X.
Publisher
Universidade Estadual do Ceará, Faculdade de Veterinaria, Ceará, Brazil
Citation
Ciência Animal, 2019, 29, 4, pp 158-164
AbstractFull Text

Body weight records of 231,416 Nellore females obtained from the Brazilian Association of Zebu Breeders were used to determine a linear combination between visual appraisal scores (body structure, precocity and muscling) using principal components analysis (PC), and to verify their genetic...

Author(s)
Freitas, F. B.; Araújo, C. V.; Menezes, F. L.; Silva, F. G.; Araújo, S. I.; Ventura, H. T.
Publisher
FEPMVZ - Editora, Belo Horizonte, Brazil
Citation
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2020, 72, 3, pp 955-960
AbstractFull Text

The objective of this work was to evaluate the genetic diversity of the HSP-70.1 gene and to associate the polymorphisms found with the performance of Holstein, Girolando (5/8H-G) and Sindi dairy cows raised in region of the Brazilian semiarid. Polymorphisms were identified and evaluated using the...

Author(s)
Araújo, M. D. S.; Luna, E. P. M.; Oliveira, J. C. V.; Guido, S. I.; Silva, E. C.; Barbosa, S. B. P.; Santoro, K. R.
Publisher
FEPMVZ - Editora, Belo Horizonte, Brazil
Citation
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2020, 72, 3, pp 985-992
Abstract

Brazil is the world's fourth largest milk producer; this activity extends throughout the national territory, with productions of approximate 34 billion liters of milk per year. The objective of this work was to evaluate the genotype-environment interaction (GEI) in purebred Holstein cows for milk...

Author(s)
Santos, J. C.; Malhado, C. H. M.; Cobuci, J. A.; Rezende, M. P. G. de; Carneiro, P. L. S.
Publisher
Springer Berlin, Heidelberg, Germany
Citation
Tropical Animal Health and Production, 2020, 52, 5, pp 2425-2432
Abstract

Autoregressive (AR) and random regression (RR) models were fitted to test-day records from the first three lactations of Brazilian Holstein cattle with the objective of comparing their efficiency for national genetic evaluations. The data comprised 4,142,740 records of milk yield (MY) and somatic...

Author(s)
Silva, D. A.; Costa, C. N.; Silva, A. A.; Silva, H. T.; Lopes, P. S.; Silva, F. F.; Veroneze, R.; Thompson, G.; Aguilar, I.; Carvalheira, J.
Publisher
Wiley, Berlin, Germany
Citation
Journal of Animal Breeding and Genetics, 2020, 137, 3, pp 305-315
Abstract

Cow stayability plays a major role on the overall profitability of the beef cattle industry, as it is directly related to reproductive efficiency and cow's longevity. Stayability (STAY63) is usually defined as the ability of the cow to calve at least three times until 76 months of age. This is a...

Author(s)
Ramos, P. V. B.; Fonseca e Silva, F.; Silva, L. O. C. da; Santiago, G. G.; Menezes, G. R. de O.; Viana, J. M. S.; Torres Júnior, R. A. A.; Gondo, A.; Brito, L. F.
Publisher
Wiley, Berlin, Germany
Citation
Reproduction in Domestic Animals, 2020, 55, 3, pp 266-273

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