Vet Med - Czech, 2014, 59(1):22-28 | DOI: 10.17221/7241-VETMED

Effects of Neospora caninum on reproductive performance and the efficacy of treatment with a combination of sulphadiazine-trimethoprim and toltrazuril: a longitudinal field studyOriginal Paper

H.E. Canatan, I.M. Polat, R. Bayramoglu, S. Kuplulu, M.R. Vural, E. Aktug
Faculty of Veterinary Medicine, University of Ankara, Ankara, Turkey

This study was designed to determine the prevalence of Neospora caninum, the effect of infection on abortion and fertility parameters and the efficacy and outcomes with combination treatment in a dairy farm with high abortion rates and low fertility parameters. Four hundred and eighty-six cows were tested using the immunofluorescence antibody test (IFAT). The seroprevalence of N. caninum was 19%. Sulphadiazine-trimethoprim and toltrazuril were administered to the seropositive animals. The risk of abortion increased 19-fold in animals infected with N. caninum (P < 0.05), and N. caninum-induced abortions occurred more often between the fourth and the sixth months of gestation. N. caninum infection also had an adverse influence on the number of inseminations to conception (P < 0.05) and calving to conception interval (P < 0.05). The treatment protocol improved the fertility parameters. Although, it is not a radical approach, this combination therapy may be recommended as the primary treatment in neosporosis.

Keywords: neosporosis; dairy cow; abortion; fertility; treatment

Published: January 31, 2014  Show citation

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Canatan HE, Polat IM, Bayramoglu R, Kuplulu S, Vural MR, Aktug E. Effects of Neospora caninum on reproductive performance and the efficacy of treatment with a combination of sulphadiazine-trimethoprim and toltrazuril: a longitudinal field study. Vet Med - Czech. 2014;59(1):22-28. doi: 10.17221/7241-VETMED.
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