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Peer-reviewed veterinary case report

Prevalence of antibodies to Leptospira hardjo in bulk tank milk from unvaccinated dairy herds in the south-west region of Poland.

Journal:
Berliner und Munchener tierarztliche Wochenschrift
Year:
2014
Authors:
Rypuła, Krzysztof et al.

Abstract

Bulk tank milk samples were collected from 309 randomly selected dairy cattle herds from the south-western region of Poland in 2010-2011. Samples were tested for antibodies against Leptospira hardjo using DAS-ELISA. Herd level seroprevalence of antibodies against this serovar was low (3.2%). Sample value related to positive control value (S/P ratio) results were highest in herds with 51-100 and 101-500 animals, being 4.6 and 4.1% respectively. The S/P ratio of positive samples indicated a low percentage of infected animals in positive herds.

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Original publication: https://pubmed.ncbi.nlm.nih.gov/24881277/