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.
Citation Information
| Publication Year | 1988 |
|---|---|
| Title | A bioassay for production capacity assessment |
| DOI | 10.1016/0144-8609(88)90011-8 |
| Authors | J. W. Meade |
| Publication Type | Article |
| Publication Subtype | Journal Article |
| Series Title | Aquacultural Engineering |
| Index ID | 1014027 |
| Record Source | USGS Publications Warehouse |
| USGS Organization | Leetown Science Center |