Paratuberculosis, is a disease caused by Mycobacterium avium subsp. paratuberculosis (MAP) that affects mainly ruminants. MAP can disseminate from the intestine to the genital tract. Therefore infection has been associated with decreased fertility but not directly with abortion in goats. The aim of this study was to obtain the evidence required to exploit the potential association between MAP-infection and abortion. For this purpose we have focused on three caprine herds geographically unrelated and keeping records of paratuberculosis and abortion of unspecified etiology. We collected in total 178 serum, milk, and fecal samples from 63, 2-4 years old, female goats. This material was processed for cultivation, ELISA, and Real Time PCR (RT-PCR). No statistically significant association was recorded between abortionrecord and RT-PCR positivity to MAP of fecal or milk samples. However ELISA - positivity was linked at a statistically significant level (p = 0.0275) with abortion. Goats that reacted positively by ELISA were 3.24 times more likely to abort than those with no detectable antibody titer. This study provides the first indications of the potential association of MAPinfection in goats and abortion-record, and suggests that a more extensive investigation should preferably rely on serology.
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