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Title: Prevalencia de mastitis bovina en el cañón de anaime, región lechera de Colombia, incluyendo etiología y resistencia antimicrobiana
Author: del Pilar Sánchez Bonilla M.
Murillo N.P.G.
Almanza I.J.P.
Keywords: Antibiotics; Escherichia coli; Mammals; Staphylococcus aureus; Antimicrobial resistances; California; Clinical mastitis; Coagulase-negative staphylococci (CNS); Descriptive statistics; Diffusion method; Klebsiella pneumoniae; Subclinical mastitis; Diseases
Resume: The aim of this study was to determine the prevalence of bovine mastitis and the antimicrobial resistance of the pathogens involved in a dairy region of Colombia. Mammary quarters of 348 cows were examined and evaluated using the California Mastitis Test (CMT). CMT-positive samples were cultured for bacteriological isolation and susceptibility to antibiotics by the disk diffusion method. Descriptive statistics and prevalence ratio were calculated. The results indicate that 158 (45.4%) of the cows were positive for CMT. Clinical mastitis was found in seven cows (2.0%) and subclinical mastitis in 151 cows (43.4%). The coagulase-negative staphylococcus (CNS) group was the main pathogen found in 46.7% of the isolates, followed by Staphylococcus aureus (31.1%) and Streptococcus spp (20.7%). Klebsiella pneumoniae and E. coli had a low occurrence (0.5%). CNS, Staphylococcus aureus and Streptococcus spp presented a high degree of resistance to penicillin G and erythromycin, in addition to multiresistance. © 2018 Universidad Nacional Mayor de San Marcos. All Rights Reserved.
Type: info:eu-repo/semantics/article
Other Identifiers:
Full text: Revista de Investigaciones Veterinarias del Peru
ISSN: 16823419
ISSN: 16099117
Appears in Collections:Artículos Científicos

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