Effect of photoperiod and feeding frequency on growth and feed utilization of fingerlings Persian sturgeon (Acipenser persicus)

作者: Mehdi Zolfaghari , Mohammad Reza Imanpour , Esfandyar Najafi

DOI: 10.1111/J.1365-2109.2010.02749.X

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摘要: The effects of photoperiod (12L:12D and 18L:6D) feeding frequency (three, four five evenly spaced daily feedings) 10% biomass per day during light hours on growth stress response Persian sturgeon (Acipenser persicus) fingerlings were evaluated. interaction between was not significant (P>0.05). Faster observed in fish exposed to an 18L:6D (P 0.05) faster than when fed only three meals 0.05). Stress indicators (cortisol, glucose haematocrit) did differ photoperiods (P<0.05). results showed that 0.9–8.0 g should be reared with times obtain good FCE.

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