التأثيرات الأمراضية للدودة الكلابية L. Lernaea cyprinacea في أسماك الكارب الإعتيادي Cyprinus carpio L.

Abstract EN

The pathological effects of anchor worm on skin of common carp were studied.

The gross examination of fishes revealed the presence of the skin lesions ranged from 0.3-0.6 cm, in some cases this parasite caused loss of scales in site of infection.

Microscopical examination of lesions revealed the presence of the parasiteۥs anchors embedded in dermis layer surrounded by infiltration inflammatory cells such as Macrophages, Lymphocytes, small number of Eosinophiles and large number of red blood cells extravasicular (Haemorrhage) due to blood vessel destroyed by parasite.