دانلود مقاله Investigation on health situation of Kutum (Rutilus frisii kutum) fingerlings In country’s rice research center farm released into Guilan province nland waters
سال انتشار: ۱۳۸۴
محل انتشار: ششمین همایش علوم و فنون دریایی
تعداد صفحات: ۱
Asgharnia M. – Iran Aquaculture Institute (inland water bodies), P.O.Box: 66 Bandar Anzali, Iran Aquatic health and diseases department
D.V.M. Mehdizadeh G. –
Dactylogyrus sp. with prevalence rate of 41.9 percent has the most occurrence and, Gyrodactylus sp. with prevalence of 1.4 percent has the lest occurrance. Maximum intensity range of parasite was seen in Trichodina sp. (2-15) and minimum intensity range was calculated in, yrodactylus sp.(1-2). Also the highest mean intensity(6.4) was related to Trichodina sp. and the lowest mean intensity(1.3) belonged to monogenic Gyrodactylus sp. with attention to relatively prevalence and infection intensity, particularly due to Dactylogyrus sp. and Trichodina sp. its necessary that with utilizing external treatments and applying appropriate methods of hygienic and health management such as consuming tricholorofen disinfectant or draining and during contaminated ponds, improvement of fish stocking density in ponds and prevention of pool water contamination by exceeding overstandard organic material, and finally, by keeping the pools without fish after supplying with water within a week, we would be able to enterprise toward control and improve the sanitary statue of such these aquaculture farms.