Kemal PEKMEZ, Murat KAPLAN, Buket ÖZKAN, Gülnur KALAYCI

Türkiye'nin batısındaki küçükbaş hayvanlarda OvHV-2 virusunun araştırılması

Malignanat Katharal Fever (MCF) ölümcül bir geviş getiren hastalığıdır ve dünya çapında bir dağılıma sahiptir. MCF virusu (MCFV) grubunun şu anda 10 üye içerdiği bilinmektedir. Ovine Herpes virus-2 (OvHV-2), MCFV grubunun üyelerinden biridir ve sığırlarda ekonomik olarak öneme sahiptir. Koyunlar, OvHV-2'nin rezervuar konağıdır ve keçiler ise doğal olarak duyarlı türdür, ancak enfeksiyon genellikle keçilerde asemptomatiktir. Bu çalışmada, OvHV-2'nin Türkiye’nin batısında yer alan Ege Bölgesindeki koyun ve keçilerdeki varlığı nested-PCR yöntemi ile araştırılmıştır. Yetmiş üç tam kan, 39 iç organ ve 26 abort fetüsten oluşan toplam 138 koyun ve keçi örneği incelendi. Otuz yedi kan örneği, dört abort fötus ve yedi iç organ örneği OvHV-2 virusu yönünden pozitif bulunmuştur. Toplam koyun örneklerinin %45,1 I pozitif olarak bulunurken sadece bir keçi örneği pozitif bulunmuştur. Önceki çalışmalar ile benzer olarak keçilerde OvHV-2 prevalansının koyunlardan daha düşük olduğunu görülmüştür.

Anahtar Kelimeler:

Keçi, koyun, malignant katharal fever (MCF), ovine herpesvirus 2 (OvHV-2)

Investigation of OvHV-2 virus in small ruminants in Western Turkey

Malignant catarrhal fever (MCF) is a fatal disease of ruminants and has a worldwide distribution. The MCF virus (MCFV) group has currently known to contain 10 members. Ovine gammaherpesvirus 2 (OvHV-2) is one of the members of MCFV group and has economically importance in cattle. Sheep is the reservoir host of OvHV-2 while domestic goat is naturally susceptible species, although infection is generally asymptomatic in goat. In this study, the presence of OvHV-2 was investigated in sheep and goats by hemi-nested PCR in Aegean Region of west Turkey. Total of 138 sheep and goat samples which consist of 73 whole blood, 39 internal organs and 26 aborted fetuses were investigated. Thirty-seven blood samples, four fetal samples, and seven internal organ samples were found to be OvHV-2 positive. While 45.1% of the total sheep samples were found to be positive, only one goat sample was found positive. Similarly, previous studies have showed that prevalence of OvHV-2 in goats lower than sheep.

Keywords:

Goat, malignant catarrhal fever (MCF), ovine herpesvirus 2 (OvHV-2), sheep,

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