محاضرات امراض اسماك مرحلة خامسة bacterial diseases Lec.1 bacterial diseases Lec. 1 & 2 Bacterial dis. Lec.3 fungal dis. Lec. 4 Non infectious 5 parasitic dis. Lec. 6 parasitic dis Lec. 7 parasitic dis. Lec. 8 parasitic dis. Lec. 9 FISH DISEASE PREVENTION Lec. 11 Prevention of Lec. 12