Gökben ÖZBAKIŞ BECERIKLISOY, Ceren AŞTI, BAHADIR GÖNENÇ

Marmara denizi Atlantik uskumrularındaki (Scomber scombrus, Linnaeus 1758) Anisakis spp. enfeksiyonu

Bu çalışmada balık örneklerinde paraziter enfeksiyonların belirlenmesi amaçlandı. Marmara denizi balıkçıları tarafından paraziter enfeksiyon şüpheli on adet Atlantik uskumrusu (Scombrus scombrus) gönderildi. Balıklara ait deri, yüzgeçler, gözler, ağız boşluğu ve solungaçlar ektoparazitler yönünden incelenirken, iç organların da endoparazitler yönünden araştırmaları yapıldı. Gönderilen on adet balığın yedisi enfekte olduğu saptandı. Balıkların karın boşluğundan toplam 27 nematod larvası tespit edildi. Saptanan nematod larvaları % 0.9'luk izotonik tuzlu su ile yıkandı ve gliserin-alkol içinde saklandı. Sonrasında, örneklerin anterior ve posterior uçları laktofenolde şeffaflandırıldı. Larvaların ön kısmında belirgin bir kesici diş (boring tooth) görüldü. Larvaların vücut özellikleri (boy uzunluğu, özefagus uzunluğu, ventrikül ve mucron uzunluğu) ışık mikroskopu altında ölçüldü (x10-x40). Morfolojik analizler sonucu tüm örneklerinin Anisakis Tip I larvaları (L3) olduğu saptandı. Anisakiasis balık-kaynaklı (fish-borne) zoonotik hastalıkların en önemlilerinden biri olarak bilinmektedir. Ayrıca, bu nematod türlerinin daha önce Türk sularında farklı balık türlerinde de bulunduğu bildirilmiştir. Bu çalışma ile, Anisakis spp.’nin Türkiye'deki ara konaklarından biri hakkında değerli bilgi elde edilecektir.

Anahtar Kelimeler:

Anisakidae, Anisakis spp., Larva 3

Anisakis spp. infection in Atlantic mackerel (Scomber scombrus, Linnaeus 1758) from the Sea of Marmara

This study was aimed to determine the parasite infection of fish samples. Ten Atlantic mackerel (Scomber scombrus), which were suspected with parasite infection, were sent from the fisherman at the Sea of Marmara, Turkey. The skin, fins, eyes, buccal cavity, and gills were examined regarding ectoparasites, while internal organs were investigated concerning endoparasites. Seven of 10 fish were infected with endoparasites. A total of 27 nematode larvae were detected from the abdominal cavity of fish. The detected nematode larvae were rinsed in 0.9 % isotonic saline and preserved in glycerine-alcohol until used. After that anterior and posterior end of samples were cleared in lactophenol. The larvae had a prominent boring tooth at the anterior end. The body features of the larvae were measured (body width, oesophagus length, ventriculus length and mucron length) on a light microscope (10x-40x). Morphological analysis showed that all samples were identified as Anisakis Type I larvae (L3). It is known that anisakiasis is one of the important fish-borne zoonotic diseases. Also, this nematode species had been previously reported in Turkish water from different fish species. The present case contributes valuable information about one of the intermediate hosts of Anisakis spp. in Turkey.

Keywords:

Anisakidae, Anisakis spp., L3 stages,

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