Effects of Antarctic Krill Products on Feed Intake, Growth Performance, Fillet Quality, and Health in Salmonids

Table 2

Typical nutrient composition of krill meal.

Nutrient	Values (%)
Fat	25
Crude protein	58
Ash	10
Water	7
Phospholipids	43
Triglycerides	45
Phosphatidylcholine	38
Cholesterol	1.4
Fatty acids (FA) (% of extracted fat)
n-3 FA	24
n-6 FA	2
EPA	12
DHA	7
Astaxanthin	124 mg/kg
Choline	1.3%
Water-soluble peptide size	More than 50% are <200 Da
Main amino acids (% of crude protein)
Aspartic acid	10
Glutamic acid	13
Lysine	7
Leucine	8
Arginine	6
Histidine	2
Alanine	5
Chitin	4
Main minerals (mg/kg)
Calcium	19600
Phosphorus	14200
Magnesium	4820
Copper	62
Zinc	46
Iron	33
Iodine	5
Selenium	4
TMAO	142 mg N/100 g
Main vitamins (μg/100 g)
Vitamin E	9360
Vitamin A	1250
Vitamin D3	0.2
Nucleotides/nucleosides (mg/kg)
IMP	1752
AMP	1374
Inosine	798
ADP	419
Hypoxanthine	165

The values are obtained from the analysis of a limited number of krill meal batches. Abbreviations: EPA: eicosapentaenoic acid; DHA: docosahexaenoic acid; IMP: inosine 5-monophosphate; AMP: adenosine monophosphate; ADP: adenosine diphosphate; TMAO: trimethylamine N-oxide.