Occurrence of Listeria monocytogenes and other Listeria spp. in raw caprine milk

Journal of Dairy Science
P GayaM Nunez

Abstract

Samples of caprine milk from bulk tanks of 405 farms in central Spain were analyzed for Listeria spp. once per season over a 1-yr period. Listeria monocytogenes and Listeria innocua were detected in 2.56 and 1.73% of the 1445 samples, respectively. Listeria ivanovii (0.21% samples) and Listeria seeligeri (0.07% samples) were rarely isolated. Only 6 milk samples were contaminated by more than one Listeria species. Most farms (92.59%) produced milk that was apparently free from L. monocytogenes throughout the sampling period, and 88.40% produced milk that was apparently free from Listeria spp. Milk contamination by Listeria spp. was seasonal; incidence in autumn (9.33%) and winter (5.14%) samples was higher than incidence in spring (0.85%) and summer (0.85%) samples. Occurrence of Listeria spp. was lower in samples from mountain farms (1.25%) than in samples from plateau farms (7.03%).

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Citations

Sep 18, 2012·Applied and Environmental Microbiology·Per Sand RosshaugMarianne Halberg Larsen
Dec 25, 2009·Emerging Infectious Diseases·Christelle GuilletMarc Lecuit
Nov 21, 2017·Journal of Dairy Science·Stephanie Clark, María Bárbara Mora García
Jul 24, 2010·Journal of Applied Microbiology·M S SchvartzmanK Jordan
Sep 10, 2011·Journal of Food Protection·Samir MahgoubMahmoud Sitohy
Sep 13, 2000·Journal of Food Protection·A A Abou-EleininC W Donnelly
Aug 30, 2008·Journal of Food Protection·Dennis J D'AmicoCatherine W Donnelly
Nov 22, 2020·International Journal of Molecular Sciences·Cora ChmielowskaDariusz Bartosik

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