Journal
VETERINARY PARASITOLOGY
Volume 110, Issue 1-2, Pages 17-23Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0304-4017(02)00309-6
Keywords
Neospora caninum; ELISA; Paraguay; seroprevalence
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Seroprevalence of Neospora caninum in 879 beef and dairy cattle in different locations of Paraguay was determined by an ELISA. In the survey, 262 (29.8%) cattle were positive to N. caninum, and animals with anti-Neospora antibody titre were observed in all the locations tested in the country. Serum samples taken from a herd that exhibited persistent abortion had the highest percentage of animals being positive to the parasite (17/30, 56.7%). In the same herd, abortion was significantly more likely in animals with high anti-Neospora antibody titre. Inummoblot analysis demonstrated that the banding pattern from positive Paraguayan cattle was similar to that seen with the positive control sample. In conclusion, N. caninum infection is present among Paraguayan beef and dairy cattle, and it may be an important cause of bovine abortion in Paraguay. (C) 2002 Elsevier Science B.V. All rights reserved.
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