The nutrition of salmonid fishes. II. Studies on production diets
Journal of Nutrition
By: E. M. Wood, W. T. Yasutake, A.N. Woodall, and J.E. Halver
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Abstract
In 69 production diets fed to hatchery salmonids, there was a wide variation in the ingredients of the diets and in their content of protein, fat, carbohydrate and ash. There was a close correlation between the body composition of hatchery-raised fish and the composition of the diets fed. The data indicated, however, that differences in hatchery management, such as level of feeding, were also important contributing factors in producing the observed body composition of hatchery fish. Wild fish had a markedly different body composition characterized by a much lower level of fat and relatively higher protein and mineral content
The effect on survival of differences in body composition between wild and hatchery fish is discussed. There is a clearly defined need for additional research on the nutritional requirements of salmonids, the relationship between body composition and ability to survive, and for quality control in hatchery nutrition.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | The nutrition of salmonid fishes. II. Studies on production diets |
| Series title | Journal of Nutrition |
| DOI | 10.1093/jn/61.4.479 |
| Volume | 61 |
| Issue | 4 |
| Year Published | 1957 |
| Language | English |
| Publisher | Elsevier |
| Contributing office(s) | Western Fisheries Research Center |
| Description | 10 p. |
| First page | 479 |
| Last page | 488 |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |