Growth, survival and food conversion of Atlantic salmon reared at four different densities with common water quality
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Abstract
Our objective was to determine the maximum effective rearing density for Atlantic salmon (Salmo salar) at 17.5°C, a temperature typically used in hatcheries to accelerate growth. We reared 5.8‐g (mean weight) parr for 80 d to final rearing densities of 14–55 kg/m2 (rearing unit bottom area) or 80–310 kg/m3 (rearing unit volume). Weight gain was slightly depressed in fish at a final rearing density of 26 kg/m2 (146 kg/m3), but mortality, food conversion, and gain in length were not affected. At densities greater than 26 kg/m2, fish growth was slower and food conversion was higher, but mortality was unaffected. Atlantic salmon may be reared at 17.5°C to densities of at least 14 kg/m2 (80 kg/m3) without adverse effects on growth and health, but final rearing densities should not exceed 26 kg/m2.
Suggested Citation
Soderberg, R.W., Meade, J.W., and Redell, L.A., 1993, Growth, survival and food conversion of Atlantic salmon reared at four different densities with common water quality: Progressive Fish-Culturist, v. 55, no. 1, p. 29-31, https://doi.org/10.1577/1548-8640(1993)055%3C0029:GSAFCO%3E2.3.CO;2.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Growth, survival and food conversion of Atlantic salmon reared at four different densities with common water quality |
| Series title | Progressive Fish-Culturist |
| DOI | 10.1577/1548-8640(1993)055%3C0029:GSAFCO%3E2.3.CO;2 |
| Volume | 55 |
| Issue | 1 |
| Year Published | 1993 |
| Language | English |
| Publisher | Oxford Academic |
| Contributing office(s) | Leetown Science Center |
| Description | 3 p. |
| First page | 29 |
| Last page | 31 |