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Turkish Journal of Veterinary & Animal Sciences

DOI

10.3906/vet-1307-11

Abstract

Both cattle and dogs were examined in modern and rural dairy farms that had a history of abortion over 5%. The blood samples were collected from 427 aborted cattle and the sera were tested using a commercial ELISA test kit. Additionally, a necropsy procedure was carried out on the fetuses and calves dead within 2 months after birth; the tissue samples were evaluated by histopathologic, immunoperoxidase, and PCR techniques. Eighteen dogs in close contact with the cattle in the same field were included in the study and blood and feces samples were collected. The feces samples were analyzed by copro-PCR and the sera were tested by indirect fluorescent antibody test. As a result, 161 out of 427 sera samples (37.7%) were found positive for N. caninum. In cattle, the lowest seropositivity was 6.7% and the highest seropositivity was 74.24%. Neosporosis seroprevalence in integrated holdings was lower than those of rural dairy cattle facilities (66.7%). The seropositivity for N. caninum in dogs was determined as 72.7% in rural holdings and 28.6% in integrated holdings. According to the risk analysis, N. caninum-seropositive cows had greater exposure to N. caninum-seropositive dogs in rural family holdings and integrated holdings (P = 0.054, odds ratio = 0.929; and P= 0.008, odds ratio = 0.986, respectively).

First Page

161

Last Page

168

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