The literature has been reviewed and quantitative relationships have been derived to express the oxygen required, ammonia, BOD, and suspended solids production as a function of fish length. The temperature dependence of feeding rate and nitrification capacity has been incorporated into a nomograph which predicts the nitrification volume requirements for recycle. Another nomograph was constructed to predict water flow requirements and pollution resulting from trout hatchery operation.
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Richard E. Speece (1973) studied this question.