The Influence of Some Fodder Additives on the Growth Indices and Survival Rate of Common Carp (Cyprinus carpio L.) and Grass Carp (Ctenopharyngodon idella L.) Juveniles
Keywords:
Allzyme SSF, Bio-Mos, common carp, enzymatic complex, grass carp, growth rateAbstract
The goal of this research was to evaluate the effects of some additives in common carp (Cyprinus carpio) and grass carp (Ctenopharyngodon idella) feeds on the growth indices and survival rate. Experimental period was 122 days for common carp and 115 days for grass carp in Martineşti farm, Cluj County. Four groups were implied: LM-control group; L1E-group (Allzyme®SSF); L2E-group (Bio-Mos®); L3E-group (Allzyme®SSF plus Bio-Mos®), 50 common carp Lausitz var., 50 Galitian var., 50 grass carp juveniles/group. The initial body weight was 1.6g/specimen for common carp and 2.6g/specimen for grass carp. The best results regarding the growth indices for Galitian var. were recorded at group L2E (263±6.84g/specimen body weight) comparative with Control group(241±5.18g). The best survival rate was registered at group L3E (96%). Regarding Lausitz var. the best growth performances were noticed at group L2E 305±12.93g/specimen. The best survival rate was noticed at groups L1E, L3E with 94% comparative with Control group (287±3.69g/specimen body weight, 90% survival rate). For the grass carp the best results were recorded at group L3E (134±2.66g/specimen body weight, 90% survival rate) compared with Control group(120±5.09g/specimen body weight, 84% survival rate ). These results show that supplementation of common carp and grass carp feeds with Allzyme®SSF and Bio-Mos led to a better growth and survival rate.
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