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Neospora caninum associated with epidemic abortions in dairy cattle: The first clinical neosporosis report in Turkey by Oğuz Kul; Nalan Kabakci; Kader Yildiz; Naci Öcal; Hakan Kalender; N. Aycan İlkme is a Immunology and Microbiology article available to read on EtoBox.

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Neospora caninum, a protozoan parasite, has been considered as one of the most important etiological agents responsible for abortion in dairy cattle throughout the world since it was first identified in dogs in 1988. In this report, characteristics of neosporosis, detected in a dairy cow ranch having epidemic abortions as high as 18.4%, were described. Blood samples were collected from 25 infertile or aborted dairy cattle, 6 calves born in 2006 and 40 heifers that were born in 2005 and raised in the same ranch. Necropsy was conducted in a 20-day-old Simmental calf that exhibited neurological signs including incoordination, head shaking, hyperextension in forelimbs and hindlimbs and tremor. The seroprevalance in aborted or infertile dairy cattle, heifers, and calves was 60%, 40%, and 33.3%, respectively. The mothers of seropositive two calves including clinically affected calf and its dam were N. caninum seropositive. In immunoperoxidase examinations, N. caninum antigen immunopositivity was observed in the degenerative and necrotic neurons in the brain, cerebellum as well as neurons in dorsal root ganglia of the cervical and thoracic regions of the spinal cord. In the heart, myocyte

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Author

Oğuz Kul; Nalan Kabakci; Kader Yildiz; Naci Öcal; Hakan Kalender; N. Aycan İlkme

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0304-4017)

Published

2009

Language

EN

Field

Immunology and Microbiology (Life Sciences)