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KÅ‚yszejko B., 1998. Influence of ammonia on performance ability of the common bream (Abramis brama L.). Acta Ichthyol. Piscat. 28 (1): 59-65.

Influence of NH3 in doses of 0.1-0.5 mg/dm3 on performance ability of the common bream was studied at 15 and 20°C using a method of burdening the fish with predetermined physical effort. The ergometric readings revealed, that within the range of 0.12-0.13 mg of NH3/dm3 there was no effect of ammonia on lowering the performance ability of the fish. Within the concentration range of 0.37-0.39 mg of NH3/dm3, at 15°C the value of work declined to 54% and at 20°C-to 22% of the respective values of control group.

 

 

DOI: 10.3750/AIP1998.28.1.07

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