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

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

Veterinární medicína, 2014, vol. 59, issue 1, 22-28

Abstract: 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 (search for similar items in EconPapers)
Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlvet:v:59:y:2014:i:1:id:7241-vetmed

DOI: 10.17221/7241-VETMED

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