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Título : The unexpected discovery of Brucella abortus Buck 19 vaccine in goats from Ecuador underlines the importance of biosecurity measures
Autor : Ron Román, Jorge
Berkvens, Dirk
Barzallo Rivadeneira, Daniela
Angulo Cruz, Alexandra
González Andrade, Pablo
Minda Aluisa, Elizabeth
Benítez Ortiz, Washington
Brandt, Jef
Rodríguez Hidalgo, Richar
Saegerman, Claude
Palabras clave : BRUCELOSIS
CABRAS
VACUNAS
BIOSEGURIDAD
ECUADOR
Fecha de publicación : 2017
Editorial : Berlin: Springer
Citación : Ron Román, Jorge y otros (2017). The unexpected discovery of Brucella abortus Buck 19 vaccine in goats from Ecuador underlines the importance of biosecurity measures. Revista Tropical Animal Health Production, 49(3), pp. 569-574
Resumen : Very few, mostly old, and only preliminary serological studies of brucellosis in goats exist in Ecuador. In order to assess the current epidemiological situation, we performed a cross-sectional serological study in the goat populations of Carchi (n = 160 animals), Pichincha (n = 224 animals), and Loja provinces (n = 2024 animals). Only two positive serological results (RB negative and SAT-EDTA ≥400 IU/ml) were obtained in lactating goats from the same farm in Quito (Pichincha province). Additionally, milk was sampled from 220 animals in Pichincha province. The present study indicates a low apparent prevalence in Pichincha province and absence in Carchi and Loja provinces. A total of 25 positive milk ring tests (MRT) were obtained in Pichincha province yielding a prevalence of MRT of 11.16%. Subsequent culture was performed on the positive MRT samples. All results were negative, apart from a single sample, obtained from a serologically positive goat in Quito, that was positive for Brucella abortus strain 19 (B19). Several hypotheses are forwarded concerning this unexpected result. The most likely hypothesis is the possible accidental use of a needle, previously used for vaccination of cattle with the said vaccine, for the administration of drug treatment to the goat. This hypothesis underlines the necessity of biosecurity measures to prevent this type of accidents.
URI : http://www.dspace.uce.edu.ec/handle/25000/11548
ISSN : 1573-7438
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