This study was carried out to detect the bacteria which caused Carp
Erythrodermatitis in the governorate of Hama, by using bacterial
isolation ,and polymerase chain reaction (PCR) , the bacterial species
were defined by biochemical Tests
The study was conducted in a fish laboratory in the college of
veterinary medicine during the period between the months of
March and September. The experiments of this study were
performed in laboratory conditions. Five dosage levels of
Ivermectin were administered.
This study aimed to investigate the effect of frozen live food (Daphnia magna) and artificial diets on growth performance, feed conversion ratio and survival of Cyprinus carpio fry reared in 25-liter glass aquaria. Duplicate groups of fry were fed o
n the tested diets three times a day to satiation for 21 days.
The results revealed that the growth rates (weight gain, % weight gain) were significantly (P<0.05) affected by the used diets. Fry fed on the frozen live food showed the worst growth rates, even their feed conversion ratio expressed the lowest value compared with the results obtained from fry fed on the artificial diets, although survival was not significantly (P>0.05) affected with the different diets. No significant differences (P>0.05) were noticed in the results obtained from fry fed on the different artificial diets.
التقصي عن الإصابة ببعض انواع الأوالي الطفيلية الداخلية عند أسماك الكارب العادي Cyprinus carpio في مزرعة السن
