نسبة و شدة الإصابة بالطفيلي Ichthyophthirius multifiliis Fouquet, 1876 لأسماك الكارب الاعتيادي Cyprinus carpio من أقفاص تربية الأسماك في نهر الفرات. المسيب العراق

Abstract EN

84 samples of common carp Cyprinus carpio that bird in cages of fishes birding in AlForat River Al-Mussayab was examined for a period of January until June 2017 .

The fishes was examined for the presence of Ichthyophthirius multifiliis parasite on the skin, Fins and gills.

The percentage and total mean intensity infection%14.28, 5.6 ،% 20.23, 6.2,% 27.38 11.5 respectively the monthly changes was Studied and the part of the fish body was chosen according to sex and we recording the highest percentage of infection from April 53.33% and highest intensity in August were the percentage was 21.6%.

There was no recording of differences in chosen of site of infection and also in sex and host either in skin, Fins and gills.