Coxiella burnetii seroconversion in neonatal calves in an infected dairy herd attributable to ingestion of imported colostrum replacer rather than vertical transmission

Ana Rabaza, Matías A. Dorsch, Mark C. Eisler, Caroline da Silva Silveira, Melissa Macías-Rioseco, Virginia Aráoz, Anderson Saravia, Darío Caffarena, Camila Ferrando, Alejandro Mendoza, Martín Fraga, Leticia Zarantonelli, Federico Giannitti

Journal of Veterinary Diagnostic Investigation

Published online on March 03, 2026

Abstract

Journal of Veterinary Diagnostic Investigation, Volume 38, Issue 3, Page 446-450, May 2026.
In April–June 2017, a cluster of 4 third-trimester abortions caused byCoxiella burnetiiwas diagnosed on a dairy farm with 356 Holstein cows in Uruguay. We investigated 1) the seroprevalence ofC. burnetiiin cows delivering normal calves in this herd, 2)...