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Thishya Perera

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Effect of dissolved oxygen and aeration management on nitrification in catfish ponds

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By Brian Ott, Dakoda O. Chisolm, Thishya Perera
| Wiley Online Library Verified
1 INTRODUCTION Dissolved oxygen concentration is the initial water quality parameter that limits the production potential of ictalurid catfishes raised in ponds and can reduce feed consumption by up to 45% over a production cycle (Torrans, 2005). Total ammonia, and more specifically un-ionized (toxic) ammonia, is widely regarded as the second water quality parameter that reduces the production performance of ictalurid catfishes (Hargreaves & Tucker, 2003; Zhou & Boyd, 2015).
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