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Information Journal Paper

Title

EFFECT OF REARING TANK COLOR ON FISH SURVIVAL AND GROWTH FACTORS ON RUTILUS RUTILUS CASPICUS

Pages

 Start Page 77 | End Page 84

Abstract

 The COLOR REARING TANKs is an important factor that can attract fish meal may have to use it to fish growth and SURVIVAL is greater. This experiment was conducted for 8 weeks in the center propagation of fish bone in Syjuval, Bandar Turkman, Golestan province. The tests conducted on 5 treatments and 3 replications were as follows: treatment, 1: red tank, treatment, 2: blue tanks, treatment 3: white tanks, treatment 4: black tanks. Feeding rate was 10% of total body weight of fingerlings. Physical and chemical factors were so controlled through the experiment that the amount of dissolved oxygen was fixed on 5.75±0.25 ppm, the temperature 26±2oC and pH 7.75±0.25. RUTILUS RUTILUS CASPICUS were fed during the experimental period with SFC foods containing: 8.7% moisture, 11.2% ash, 32% protein and 10.5% fat. According to the results of this study, it was shown that various color tanks affect body weight and length gain of fish and these differences are significant (P<0.05). Maximum weight and length of body was in treatment 4 with black. Results also showed that there is significant difference in the rate of SGR, BWI%, GR and CF (P<0.05). However, there were no significant differences with regard to the amount of FCR and SURVIVAL (P>0.05). This study showed that use of black tanks make better growth in R. r. caspicus.

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