Effects of Dietary Fish Meal Replaced by Fish Steak Meal on Growth Performance, Antioxidant Capacity, Intestinal Health and Microflora, Inflammatory Response, and Protein Metabolism of Large Yellow Croaker Larimichthys crocea

Table 2

The nutritional composition of fish meal (FM) and fish steak meal (FSM)¹.

Index	FM^2	FSM^2
Moisture (%)	7.64	7.09
Crude protein (%/dry matter)	72.28	54.15
Crude lipid (%/dry matter)	6.68	14.56
Amino acids (%/dry matter)
Essential amino acids
Arginine	4.35	3.68
Histidine	2.38	1.85
Isoleucine	3.26	2.35
Leucine	5.50	4.32
Lysine	5.76	4.57
Methionine	2.14	1.23
Phenylalanine	3.05	2.41
Threonine	3.11	2.45
Valine	3.83	2.64
Nonessential amino acids
Aspartic acid	6.4	4.38
Glutamic acid	10.53	9.76
Serine	2.87	2.05
Proline	2.67	2.49
Glycine	4.30	1.96
Alanine	4.76	2.53
Tyrosine	2.39	1.43
Cysteine	0.58	0.35

¹Data are means of triplicate. No tryptophan was detected because of acid hydrolysis. ²Fish meal (FM) and fish steak meal (FSM) were provided by the Fuzhou Haima Feed Co. Ltd., (Fuzhou, China).