Neospora caninum infection as a cause of reproductive failure in a sheep flock

Table 1 Seropositivity for single and mixed infections with N. caninum and T. gondii in two consecutive years

Year	n	*N. caninum*		*T. gondii*		*N. caninum* + *T. gondii*
Year	n	Seropositivity n (%)	PP¹mean ± SD	Seropositivity n (%)	Titer²Range	Seropositivity n (%)	PP; Titer mean ± SD; Range
2011	265	91 (34.3)^***	70.5 ± 23.8	27 (10.2)	64-256	15 (5.7)	75.0 ± 20.5; 64-256
2012	245	43 (17.5)³	74.0 ± 32.2	21 (8.6)	64-256	6 (2.4)	44.9 ± 37.6; 64-128

¹cut-off percentage of positivity (PP) for in-house ELISA = 7.0%; ²cut off titre for Mast Toxoreagent test® = 64; ³this number came from 38 seropositive ewes that remained after culling in 2011 + 5 ewes that seroconverted in 2012. ***Statistically significant at p < 0.001.

ISSN: 1297-9716