Journal Article


L. O'Grady
R Sayers
E O' Doherty



salmonella antibodies irish dairy salmonella spp milk leptospira interrogans serovar hardjo neospora temporal

Temporal trends in bulk milk antibodies to Salmonella, Neospora caninum, and Leptospira interrogans serovar hardjo in Irish dairy herds. (2011)

Abstract Bulk milk samples were collected from 309 Irish dairy herds at four time points during 2009 and tested for antibodies to Salmonella spp., N. caninum, and L. hardjo, three abortifacient agents in Irish dairy herds. Of the 312 study herds, 49% vaccinated against Salmonella and 76% vaccinated against L. hardjo. In unvaccinated herds, the overall prevalence of antibody positive herds was 49% for Salmonella, 19% for N. caninum and 86% for L. hardjo. There was no association between both testing positive for and incidence of Salmonella or L. hardjo on sample date and calving season. A significant association was found between sample date and both testing positive for [p=<0.0001 OR=2.41 (95% CI 1.54-3.80)] and incidence [p=0.001 OR=3.10 (95% CI 1.72-5.57)] of N. caninum. No association with region of Ireland was found for either testing positive for or incidence of N. caninum, or L. hardjo. There was however a tendency towards a higher incidence of Salmonella in regions of Ireland with higher cattle densities.
Collections Ireland -> Teagasc -> PubMed

Full list of authors on original publication

L. O'Grady, R Sayers, E O' Doherty

Experts in our system

Luke O'Grady
University College Dublin
Total Publications: 54
Riona Sayers
Total Publications: 56