Species Variations in the Proximate Composition, Amino Acid Profile, and Protein Quality of the Muscle Tissue of Grass Carp, Bighead Carp, Siberian Sturgeon, and Wels Catfish

Table 5

PDCAAS (Protein Digestibility-Corrected Amino Acid Score) for protein of grass carp, bighead carp, Siberian sturgeon, and wels catfish (%).

Amino acid	Grass carp	Bighead carp	Siberian sturgeon	Wels catfish	Standard
Ile	134	133	136	136	3.0
Leu	120	122	123	123	6.1
Lys	193	190	196	190	4.8
Met + Cys	128	104	109	92	2.3
Phe + Tyr	166	169	179	169	4.1
Thr	179	177	183	194	2.5
Try	430	433	256	282	0.66
Val	115	116	114	111	4.0
His	158	157	193	137	1.6

Recommended amino acid scoring pattern for adult.