Feray ALKAN, MEHMET ÖZKAN TİMURKAN, İlke KARAYEL

Rotavirus diarrhea Outbreaks in Arabian thoroughbred foals in a stud farm, Turkey

Bu çalışmada, bir at yetiştiriciliği işletmesinde bulunan safkan arap taylarındaki ishal olgusunun etiyolojik ajanının tespiti ve moleküler karakterizasyonu bildirildi. İshal semptomlu yedi taydan sağlanan materyallerin beşinde RT-PCR tekniği ile rotavirus VP6 geni yönünden pozitiflik saptandı. Daha sonra enfeksiyona neden olan virusun VP6, VP7, VP4 ve NSP4 gen bölgelerini kodlayan gen bölgelerinin dizi analizi yapıldı. Elde edilen verilere dayanılarak söz konusu at yetiştiriciliği işletmesinde enfeksiyona neden olan ERV saha suşunun E2 NSP4 ve I6VP6 ile ilişkili G3P[12] genotipinde olduğu belirlendi. Bu çalışma, Türkiyede atlardaki grup A rotavirusların G ve P genotiplerinin bildirildiği ilk çalışmadır.

Türkiyede bir arap atı işletmesindeki taylarda rotavirus ishali salgını

In this study, the aetiological agent of diarrhea in Arabian thoroughbred foals housed in a stud farms and its molecular characterization were reported. Out of sampled seven foals with diarrhoea, five were detected positive by RT-PCR depending on the amplification of the VP6 gene of rotavirus. Then the aetiological agent was characterized genetically by sequence analysis of the genome segments encoding VP6, VP7, VP4 and NSP4 of rotavirus. Findings revealed that the Turkish equine rotavirus circulating within this stud farm belongs to G3 and P[12] genotype with E2 NSP4 and I6VP6. This is the first study to report the G and P genotypes of equine group A rotaviruses in Turkey.

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