عنوان مقاله [English]
نویسندگان [English]چکیده [English]
The nutrition Biomar convention, calf heart, tubifex, blood worm, gammarus and artemia that the common aquarium fish shops as a common food nutrition of ornamental fish. This study was done to determine the best indicators of growth and survival on Severum that is one of the economic value and importance among the ornamental fish are found in Iran were investigated to determine which of the foods used in the growth of the most fish will Severum. This study for 8 weeks and 12 aquariums with 20 numbers of fish in each aquarium and the four treatments included: treatment 1: biomar, treatment 2: calf heart, treatment 3: tubifex, treatment 4: blood worm, treated 5: gammarus and six treatments: artemia with average weight 0.398 andplusmn; 0.16 g was performed. Amount of food required according to the weight of the biomass and 15 percent of body weight four times a day in hours 8, 12.16 and 20 were imported to any aquarium. Finally, data of each treatment were analyzed by one-way ANOVA and analysis of correlation. When differences were significant (P andlt;0.05), Duncan test was done to mean comparison between treatments. There were significant differences between weight and body length of fishes (P andlt;0.05). So that the maximum increase in body weight and length belong to treatment 1 and minimum belongs to treatment 5. The results also were identified between treatments studied in terms of FCR, CF, SGR, BWI and GR is significant difference (P andlt;0.05). Based on the results of this study can be said that among the six types of food used biomar best effect on fish growth indicators severum and generally used for foods highest efficiency severum is as follows: biomar andgt; calf herartandlt; tubifexandlt; blood wormandlt; artemia andlt; gammarus.