Significant level: N.S.=P>0.05, *=P≤0.05, ** P≤0.01. Water exchange rate=WER 1DO2=Dissolved oxygen, 2NH3=Unionized Ammoni |
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Table 2: Water temperature, water salinity, dissolved oxygen (DO2), pH and un-ionized ammonia (NH3) for earthen grow-out ponds stocked with shrimp (P.semisulcatus) post-larvae at three stocking densities and two rates of water exchange (WER). |