Comparison of effects in different enzymic levels Immnowall indices of growth, survival rate and body composition in (Rutilus firisii kutum) fingerlings

Subject Areas : Breeding and Aquaculture Sciences Journal

Abbas Barari ¹ , Mohammad Mehdi Abbaszadeh ² , Rahim Farnia ³ , Taghi Mohamamdi Fotemi ⁴ , Mazdak Pakzad Soraki ⁵ , Niloofar Fallah ⁶ , Mohammad Reza Imanpour ⁷

1 - Ph.D. Candidate in Agricultural Sciences and Natural Resources of Gorgan, Iran
2 - Ph.D. Candidate in Fishery, Babol Branch, Islamic Azad University, Babol, Iran
3 - Department of Fisheries of Mazandaran Province, Babolsar, Iran
4 - Ph.D. Candidate in Fishery, Babol Branch, Islamic Azad University, Babol, Iran
5 - Department of Fisheries of Mazandaran Province, Babolsar, Iran
6 - Ph.D. Candidate in Fishery, Babol Branch, Islamic Azad University, Babol, Iran
7 - Professor of Agricultural Sciences and Natural Resources University, Gorgan, Iran

Received: 2017-12-17 Accepted : 2018-01-16 Published : 2017-11-22

Keywords: Growth indices, Survival, body composition, Kutum (Rutilus frissi kutum), Immnowall,

Abstract :

This study was undertaken to evaluate the effects of Immnowall on feed intake, weight gain, food conversation ratio, specific growth rate, total length and survival of juvenile Kutum, Rutilus frisii kutum. For this purpose, 300 fish were stocked in three replications at the VENIRO tanks and fed twice daily by 0.5, 1 and 1.5 g/Kg of Immnowall for 8 weeks. Results showed that growth factors including: weight gain, specific growth rate, growth rate, feed conversion ratio and body weight index for fish administrated by 0.15 percent Immnowall showed a statistical significant differences (P<0.05) by control. Protein rate increased in probiotic treatment ( 4,5 and 6 with 0.05, 0.1 and 0.15 percent Immnowall in diet )of carcass analysis and showed a statistical significant differences (P<0.05) by control. Moreover, fish fed by 0.05 percent Immnowall and 0.15 percent Immnowall multienzyme showed a significant difference (P<0.05) in higher survival rate than control.

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