Mandalarda Bulunan Sarcocystıs Türleri ve Gelişmeleri

Bu çalışmada, Sarcocystis levinei 'nin biyoloji ve patojenitesinin incelenmesi amaçlanmıştır. Bu amaçla, Çubuk ilçesi mezbahasında Aralık 1993-Temmuz 1994 tarihleri arasında 125 manda muayene edilmiştir. Bu mandaların özefaguslannda %3 9.2 oranında makroskopik, %81.6 oranında da mikroskop ik Sarcocystis kistlerine rastlanmıştır. Sadece, mikroskopik Sarcocystis kistleri ile enfekte manda özefagusu yedirilen 6 köpekte S.levinei'nin p.repatent döneminin 13 (1 1-15) gün, patent döneminin ise 107 (99-115) gün olduğu ve 1 gram dışkıda ortalama 30.6 adet sporokist bulunduğu saptanmışıtr. İnokulasyondan 5 gün sonra ölen bir köpeğin bağırsağında parazitin gelişme şekilleri bulunamazken, inokulasyondan sonraki 30. günde otopsisi yapılan diğer köpeğin ince bağırsaklarında makrogametler ve sporokistler bulunmuştur. S.levinei'nin 100.000 'er adet sporokisti ile inokule edilen iki malak inokulasyondan sonra ölmemiş ve klinik olarak hiç bir semptom göstermemişlerdir. İnokulasyondan sonra 45 . günde kesilen malağın çeşitli organlannda şizontlara, kalp ve çizgili kaslarında ise kistlere rastlanmış, karaciğer ve akciğerde kanama odakları görülmüştür.

Anahtar Kelimeler:

Manda, Sarcocystıs, Sarcocystıs Türleri ve Gelişmeleri, Bengi DÜNDAR, Edip ÖZER, 1996, Etlik Veteriner Mikrobiyoloji Dergisi

Sarcocystis Species and Their Developments İn Buffaloes

The aim of this sutdy is to investigate of the life cycle and pathogenicity of S.levinei. For this purpose, between December 1993-July 1994, 125 buffaloes were examined at slaughterhouse located in Çubuk Town in Ankara. 39.2% of the animals were found to be infected with macroscopic S.fusiformis cysts which were located on oesophagus. 6 pups were fed with buffalo oesophagus infected with only rnicroscopic S.levinei cysts. All ofthe pups started to discharge sporocyst intheir feces on 13 (11-15) daysafter feeding. Discharging of sporocyst in feces continued until ı 07 (99- 115) day and it was found that the avarage number of sporcysts were 30.6 per gram feces . Development stages of Sarcocystis were not present in the intestine of the pupy killed 5 days after infection, but macrogamets and sporocysts were found in the smail intestines of I pupy killed after 30 days of inoculation. N one of two buffaloes inoculated with 100.000 sporocysts of S .Ievinei showed clinical symptoms and died. S.levinei cysts were found in the heart, skeletal muscles and its schizonts were found in brain, kidney, spleen and heart in the buffalo which was necropsied on 45 . day. In addition, petechial haemorrhagia in liver and lung were detected.

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