A bioassay for production capacity assessment
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Abstract
Given sufficient oxygen, fish production can be limited by a multiplicity of factors. Accurate determination of production capacity requires something other than an estimate of the biomass at which ambient un-ionized ammonia will reach a recommended, non-site-specific, maximum safe concentration. A chronic (1- to 2-month) bioassay can be used to determine the point at which metabolite buildup reduces growth by some predetermined proportion, or causes unacceptable tissue damage. The bioassay is conducted as a series reuse, single-pass system, in which incoming water to each rearing unit is aerated to 90% dissolved oxygen saturation. The assessment of production capacity is based on the relation between cumulative oxygen consumption and growth reduction.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | A bioassay for production capacity assessment |
| Series title | Aquacultural Engineering |
| DOI | 10.1016/0144-8609(88)90011-8 |
| Volume | 7 |
| Year Published | 1988 |
| Language | English |
| Publisher | Elsevier |
| Contributing office(s) | Leetown Science Center |
| Description | 8 p. |
| First page | 139 |
| Last page | 146 |
| Google Analytic Metrics | Metrics page |