Contracaecum cinsi (Ascaridida: Anisakidae), dünyanın birçok bölgesindeki balık yiyen su kuşlarının nematod parazitidir. Hayvan hastanesine travma teşhisi ile getirilen ve herhangi bir tedaviye başlamadan ölen bir tepeli pelikanın (Pelecanus crispus) nekropsisinde yoğun miktarda Contracaecum sp. görülmüştür. Kuşun proventrikülüsünün bu parazitlerle dolu olduğu, hatta özefagusun son bölümüne ve duodenuma kadar uzandığı gözlenmiştir. Bu olgu parazitin yoğunluğu bakımından ilginç bulunmuş olup, Türkiye'de bir su kuşunda olgun Contracaecum sp.'nin ilk bildirimidir
Contracaecum genus (Ascaridida: Anisakidae) is a nematode parasite of the fish-eating birds throughout the world. A heavy infection of Contracaecum sp. was detected at the necropsy of a Dalmatian pelican (Pelecanus crispus) that had been referred to an animal hospital due to trauma and died before the initiation of any treatment. Intense parasitic infection was seen in the proventriculus and within the lumen of oesophagus to duodenum. This is the first case of intense adult Contracaecum sp. infection in a piscivorous bird in Turkey
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