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Browsing by Author "Oborny, E. L. Jr."

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    Estimating Metabolism of Fish in Aquacultural Production Systems
    Neill, W. H.; Oborny, E. L. Jr.; Craig, Steven R.; Matlock, M. D.; Gatlin, D. M. (Commercial Fish and Shellfish Technologies Program, Virginia Tech, 2003-06-01)
    Open-system respirometry offers a practical approach for measuring metabolic rates of fish cultured at high densities in uncovered raceways. Central to this methodology is analysis of a dynamic mass-balance on oxygen supply and demand. Here, we present a validated mass-balance equation, describe minimally disruptive procedures for estimating its parameters, and illustrate its use in estimating the oxygen-uptake rate of fish as a group, in real time and under actual production conditions.