Amino acid supplementation of casein in diets of Atlantic salmon (Salmo salar) fry and of soybean meal for rainbow trout (Salmo gairdneri) fingerlings
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Abstract
Fry of Atlantic salmon (Salmo salar) fed a diet containing isolated fish protein grew significantly faster than those fed a diet containing casein without supplemental amino acids, and had improved feed conversion and lower mortality. Supplementing the casein diet with essential amino acids to the levels in the isolated fish protein diet significantly increased growth rate, reduced mortality, and improved feed conversion.When fingerling rainbow trout (S. gairdneri) were fed diets containing soybean meal as the sole source of protein, additions of amino acids to simulate those levels of essential amino acids in trout eggs and isolated fish protein significantly improved growth. Additions of methionine, lysine, histidine, and leucine individually and in several combinations had no effect.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Amino acid supplementation of casein in diets of Atlantic salmon (Salmo salar) fry and of soybean meal for rainbow trout (Salmo gairdneri) fingerlings |
| Series title | Journal of the Fisheries Research Board of Canada |
| DOI | 10.1139/f75-052 |
| Volume | 32 |
| Issue | 3 |
| Year Published | 1975 |
| Language | English |
| Publisher | Canadian Science Publishing |
| Contributing office(s) | Leetown Science Center |
| Description | 5 p. |
| First page | 422 |
| Last page | 426 |