Listeria spp. and L. monocytogenes IN RAW GOAT’S MILK
Journal Title: Revista MVZ Cordoba - Year 2008, Vol 13, Issue 2
Abstract
Objective. To test non-pasteurized goat’s milk from the village of ‘la Garita’, Northern Santander, for Listeria monocytogenes. Material and methods. 90 samples of nonpasteurized goat’s milk were obtained over a 4 month period; pH and temperature of each sample were measured. The INVIMA technique was used to isolate L. monocytogenes; the species was confirmed by PCR. Results. The study showed that eight goat milk providers of the zone neither had refrigeration nor pasteurized the milk. The prevalence of L. monocytogenes was 3%; 15% of the samples had other species of Listeria. The milk obtained from this zone contained the pathogen that may cause listeriosis in children less than 5 years of age, pregnant women, adults and immunologically compromised patients. Conclusions. This study shows the occurrence of this pathogen in goat’s milk and identified areas of risk for those people who drink goat’s milk.
Authors and Affiliations
Yolanda Albarracín C, M. Sc| Universidad de Pamplona, Grupo de Investigación Recursos Naturales, Instituto de Investigación en Ciencias Naturales y Biotecnología, Ciudadela Universitaria. Kilómetro 1 Vía Bucaramanga., Raúl Poutou P, Ph. D| Laboratorio de Microbiología de Alimentos. Grupo de Biotecnología Ambiental e Industrial. Departamento de Microbiología. Facultad de Ciencias. Carrera 7 no 43-82, Bogotá, D.C., Colombia., Ana Carrascal C, M. Sc *| Laboratorio de Microbiología de Alimentos. Grupo de Biotecnología Ambiental e Industrial. Departamento de Microbiología. Facultad de Ciencias. Carrera 7 no 43-82, Bogotá, D.C., Colombia.Correspondencia: acarrasc@javeriana.edu.co
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