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AbstractFull Text

In order to identify the pathogenic microorganisms responsible for subclinical mastitis in a tropical region, 214 cows from 6 production units were used, 4 in dual purpose systems formed of local creole breeds and 2 family dairy systems with adapted European breeds. The farms were classified by...

Author(s)
Cervantes, P.; Portela, S.; Hernández, A.; Domínguez, B.; Gómez-Boucrin, F.; Villagómez-Cortes, J. A. S.; Barrientos, M.
Publisher
Red CONBIAND, Córdoba, Spain
Citation
Actas Iberoamericanas de Conservación Animal, 2017, 10, pp 103-109
Abstract

Thirty-two farms (n=535 cows) located in the state of Guanajuato, Mexico, were sampled. Pathogens from bovine subclinical mastitis (SCM) and clinical mastitis (CLM) were identified by 16S rDNA and the sensitivity to both antibiotics and bacteriocins of Bacillus thuringiensis was tested. Forty-six...

Author(s)
León-Galván, M. F.; Barboza-Corona, J. E.; Lechuga-Arana, A. A.; Valencia-Posadas, M.; Aguayo, D. D.; Cedillo-Pelaez, C.; Martínez-Ortega, E. A.; Gutierrez-Chavez, A. J.
Publisher
Hindawi Publishing Corporation, Sylvania, USA
Citation
BioMed Research International, 2015, 2015, pp Article ID 615153
AbstractFull Text

The present work is a large epidemiological study aiming to detect the prevalence of subclinical mastitis and to investigate the major udder pathogens in Jalisco State, western Mexico. For this purpose, 2205 dairy cows, representing 33 Mexican dairy herds, were involved. Of 2205 cows, 752 mastitic...

Author(s)
Castañeda Vázquez, H.; Jäger, S.; Wolter, W.; Zschöck, M.; Castañeda Vazquez, M. A.; El-Sayed, A.
Publisher
FEPMVZ - Editora, Belo Horizonte, Brazil
Citation
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2013, 65, 2, pp 377-382
Abstract

Mastitis is the mammary gland infection, in which more than 130 organisms may be etiologic agents. Subclinical mastitis is the responsible for great economic losses, it present high somatic cell count, decreased milk production without apparent changes. The research was conducted in Marquelia,...

Author(s)
Muñoz Santiago, J.; Hernández Andrade, L.; Arrieta Ballesteros, E.; Camacho Díaz, L. M.; Hernández Valenzuela, D.
Publisher
Veterinaria Organizacion S.L., Malaga, Spain
Citation
REDVET, 2012, 13, 7, pp 071215
AbstractFull Text

The presence of the methicillin resistance gene (mecA) in oxacillin-resistant Staphylococcus aureus strains (ORSA) was analysed in dairy cows with subclinical mastitis using polymerase chain reaction (PCR). 22 β-lactam-resistant S. aureus field strains from a dairy herd in Toluca Valley, Mexico,...

Author(s)
Lagunas Bernabé, S.; Velázquez Ordoñez, V.; Vázquez Chagoyán, J. C.; Saltijeral Oaxaca, J.
Publisher
BEL Studio sp. z.o.o, Warsaw, Poland
Citation
Animals and environment, Volume 1: Proceedings of the XIIth ISAH Congress on Animal Hygiene, Warsaw, Poland, 4-8 September 2005, 2005, pp 308-310
Abstract

The caudal fold tuberculin test was performed in 521 Holstein cows with history of Mycobacterium bovis infection in Baja California, Mexico during January 1997. Of these, 277 cows (53%) had positive test results. Staphylococcus aureus was the commonest isolate. 369 cows (71%) had a lactation...

Author(s)
Hernández, J.; Baca, D.
Citation
Journal of the American Veterinary Medical Association, 1998, 213, 6, pp 851-854
Abstract

800 Holstein dairy cows from 2 farms from Huamantla were studied in order to identify the organisms causing mastitis. The California ring test was used to detect clinical mastitis and when this was positive, a milk sample was sent to the laboratory for identification of the bacterial and antibiotic ...

Author(s)
Calva, R. B.; Cortés, F. R.; Aja-Guardiola, S.
Publisher
Società Italiana di Buiatria, Bologna, Italy
Citation
Proceedings 18th World Buiatrics Congress: 26th Congress of the Italian Association of Buiatrics, Bologna, Italy, August 29-September 2, 1994. Volume 1., 1994, pp 721-723
Abstract

Milk samples giving reactions of 3+ in the California Mastitis test were cultured. From 32 farms 374 milk samples were selected and 420 bacterial isolates identified. The organisms most frequently isolated were:- Staphylococcus aureus (27%), Streptococcus agalactiae (19%), Bacillus spp. (other than ...

Author(s)
Madariaga Aguilar, O. E.; Lopez-Alvarez, J.
Citation
Veterinaria, Mexico, 1979, 10, 4, pp 213-219

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