Table 1 Nutrient contents (%, DM) of dietary ingredients
Brown fishmeala | Tuna by-product mealb | |
|---|---|---|
Proximate composition | ||
Crude protein | 77.2 | 64.6 |
Crude lipid | 8.2 | 9.6 |
Ash | 13.7 | 21.4 |
Indispensable amino acids | ||
Arginine | 4.0 | 3.5 |
Cysteine | 0.7 | 0.6 |
Histidine | 2.9 | 1.7 |
Isoleucine | 3.1 | 2.5 |
Leucine | 5.1 | 4.1 |
Lysine | 5.5 | 4.3 |
Methionine | 2.2 | 1.8 |
Phenylalanine | 3.0 | 2.2 |
Threonine | 3.0 | 2.5 |
Valine | 3.6 | 2.7 |
Dispensable amino acids | ||
Alanine | 4.2 | 3.8 |
Aspartic acid | 6.3 | 5.0 |
Glutamic acid | 8.9 | 6.9 |
Glycine | 4.1 | 4.2 |
Proline | 2.8 | 3.4 |
Serine | 2.8 | 2.4 |
Tyrosine | 2.4 | 1.8 |