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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
Abstract

Propolis is a substance produced by bees, especially Apis mellifera, from resins of plant shoots. It possesses numerous biological properties, such as antimicrobial and anti-inlammatory. Activities such as organic dairy farming show high demand for natural products with proprieties like those of...

Author(s)
Klahr, G. T.; Isola, J. V. V.; Giehl, D. Z.; Rosa, C. S. da; Martins, A. A.; Bartmer, M. E.; Segabinazzi, L. R.
Publisher
Centro de Ciências Biológicas - UFSC, Santa Catarina, Brazil
Citation
Biotemas, 2019, 32, 1, pp 1-10
AbstractFull Text

Haptoglobin is the main acute phase protein in ruminants, and its use is being widely investigated in animal clinics as an early biomarker of inflammation, infection, tissue damage and stress conditions. This occurs due to the fact that this protein presents blood values close to 0.05 mg/ml in...

Author(s)
Bastos, B. L.; Rocha-Filho, J. T. R.; Santana, Í. P.; Meyer, R.; Guimarães, J. E.
Publisher
Pubvet, Maringá, Brazil
Citation
PUBVET, 2018, 12, 3, pp unpaginated
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
AbstractFull Text

The aim of this study was to evaluate the frequency of isolation of agents causing subclinical mastitis in a herd and to estimate production losses associated with SCC >200,000 cells/mL. Three 7-day interval microbiological cultures were performed in all lactating animals from the same farm that ...

Author(s)
Costa, H. N.; Lage, C. F. A.; Malacco, V. M. R.; Belli, A. L.; Carvalho, A. U.; Facury, E. J.; Molina, L. R.
Publisher
FEPMVZ - Editora, Belo Horizonte, Brazil
Citation
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2019, 71, 2, pp 393-403
AbstractFull Text

Mastitis caused by Mycoplasma spp., regardless of species, are considered highly contagious pathogens and, usually was not responsive to antimicrobial therapy. Five dairy herds, comprising 489 animals and 1,956 mammary glands, were used in this study. Milk samples were obtained from bulk tanks and...

Author(s)
Joaquim, S. F.; Guimarães, F. F.; Salina, A.; Junqueira, N. B.; Gomes, E. N.; Langoni, H.
Publisher
FEPMVZ - Editora, Belo Horizonte, Brazil
Citation
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2018, 70, 6, pp 1793-1797
Abstract

Bovine mastitis is the most frequent disease worldwide in dairy herds, causing high economic losses to producers and industry, as well as having implications for public health due to the zoonotic potential of some agents involved in its etiology and the increased risk of antimicrobial residues in...

Author(s)
Mesquita, A. A.; Rocha, C. M. B. M.; Bruhn, F. R. P.; Custódio, D. A. C.; Braz, M. S.; Pinto, S. M.; Silva, D. B.; Costa, G. M.
Publisher
Colégio Brasileiro de Patologia Animal, Rio de Janeiro, Brazil
Citation
Pesquisa Veterinária Brasileira, 2019, 39, 5, pp 308-316
AbstractFull Text

The use of efficient methods for the early diagnosis of subclinical mastitis is of great importance in milk production. By using an electrical conductivity meter (EC), the efficiency of subclinical mastitis diagnosis was evaluated in dairy farms in northern Parana, Brazil, and the results were...

Author(s)
Ribeiro, A. B. da C.; Santos, J. S. dos; Zanol, D.; Lombarde, L. N. L.; Bruzaroski, S. R.; Ludovico, A.; Santana, E. H. W. de
Publisher
Centro Nacional de Sanidad Agropecuaria, La Habana, Cuba
Citation
Revista de Salud Animal, 2016, 38, 2, pp 131-135
AbstractFull Text

This study aims to detect the main virulence and antimicrobial resistance genes in Stapylococcus aureus from bovine mastitic milk as well as classifying them according to agr typing. A total of 55 strains from six dairy unities in the state of Rio de Janeiro were selected, of these 27.3% presented ...

Author(s)
Soares, B. S.; Melo, D. A.; Motta, C. C.; Marques, V. F.; Barreto, N. B.; Coelho, S. M. O.; Coelho, I. S.; Souza, M. M. S.
Publisher
FEPMVZ - Editora, Belo Horizonte, Brazil
Citation
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2017, 69, 4, pp 843-850
AbstractFull Text

Three cases of clinical mastitis were reported in Jersey cows at a farm located in western Parana, with a history of refractory treatment with antimicrobials. Milk sample cultures presented Prototheca zopfii, an aclorophylated, unicellular algae, present in organic matter and resistant to...

Author(s)
Carvalho, F. H. de; Zimmermann, A. M.; Ataíde, G. de S.; Prado, I. L.; Paliosa, G. M.
Publisher
Universidade Paranaense, Umuarama, Brazil
Citation
Arquivos de Ciências Veterinárias e Zoologia da UNIPAR, 2017, 20, 4, pp 233-236

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