Supported by Guangdong Natural Science Foundation(S2013010013693,S2011010003451);Science and Technology Project of Guangdong Province(2013B020307016);Excellent Young Teachers Program of Guangdong(Yq2013152)
The juveniles of hybrid tilapia ( Oreochromis niloticus x Oreochromis areus) were exposed to ananonia-nitrogen (N) (0, 2.5, 5, 10 and 20 mg/L) for 0, 12, 24, 48 and 72 h to evaluate the effect of ammonia-N stres...