Effects of the Replacement of Dietary Fishmeal by the Blend of Tenebrio molitor Meal, Chlorella Meal, Clostridium Autoethanogenum Protein, and Cottonseed Protein Concentrate on Growth, Protein Utilization, and Intestinal Health of Gibel Carp (Carassius gibelio, CAS Ⅴ)

Table 2

Amino acid (AA, % of dry matter) composition of the experimental diets.

Diets	Control	A33	A67	A100	B33	B67	B100	C33	C67	C100	Requirements
Essential amino acids
Lysine	2.16	2.15	2.20	2.26	2.20	2.18	2.23	2.13	2.10	2.11	3.30
Methionine	0.56	0.62	0.59	0.57	0.57	0.56	0.58	0.54	0.52	0.49	^#0.89
Threonine	1.31	1.32	1.35	1.35	1.35	1.34	1.34	1.32	1.31	1.33	^&1.70
Arginine	1.96	1.96	1.97	2.07	1.92	1.98	2.05	1.99	2.00	2.08	^‼1.50
Leucine	2.49	2.45	2.46	2.45	2.53	2.55	2.55	2.48	2.43	2.51	^&1.80
Isoleucine	1.46	1.48	1.47	1.45	1.43	1.49	1.46	1.41	1.41	1.49	^&1.30
Valine	1.55	1.54	1.52	1.53	1.59	1.58	1.55	1.51	1.55	1.60	^&1.70
Phenylalanine	1.48	1.51	1.45	1.49	1.57	1.50	1.52	1.45	1.47	1.57	^§1.10
Histidine	0.69	0.69	0.76	0.73	0.73	0.74	0.63	0.81	0.73	0.76	^§0.80
EAAI	95.83	97.07	97.52	97.71	97.78	97.86	97.50	96.34	94.86	97.26	—
DEAAI	79.07	82.39	79.22	78.71	81.42	83.19	83.75	80.39	80.15	81.66	—
Nonessential amino acids
Asparagine	2.77	2.73	2.76	2.73	2.83	2.76	2.82	2.83	2.77	2.84	—
Serine	1.29	1.33	1.36	1.31	1.31	1.31	1.35	1.34	1.33	1.32	—
Glutamic acid	5.57	5.58	5.55	5.61	5.54	5.54	5.68	5.60	5.60	5.65	—
Glycine	1.45	1.43	1.46	1.47	1.47	1.43	1.42	1.51	1.51	1.45	—
Alanine	1.57	1.60	1.63	1.63	1.56	1.59	1.61	1.61	1.62	1.58	—
Tyrosine	0.99	1.05	1.06	1.00	1.00	1.02	1.03	1.01	0.97	1.04	—
Proline	1.55	1.65	1.62	1.56	1.69	1.67	1.98	1.67	1.59	1.74	—
Cysteine	2.21	1.71	1.71	2.09	1.61	1.79	1.71	1.71	1.90	2.12	—

Essential amino acid index (EAAI, %) = 100 × . Digestible essential amino acid index (DEAAI, %) = 100 × . (a, b, c,…, i are the contents of lysine, methionine, threonine, arginine, leucine, isoleucine, valine, phenylalanine, and histidine in each experimental diet; A, B, C,…, I are the digestible contents of lysine, methionine, threonine, arginine, leucine, isoleucine, valine, phenylalanine, and histidine in each experimental diet; ar, br, cr,…., ir are the requirements of lysine, methionine, threonine, arginine, leucine, isoleucine, valine, phenylalanine, and histidine in gibel carp. n is the number of amino acids used). Ref from Zhou et al. [23]. ^#Ref from Jia et al. [24]. ^&Ref from Li [25]. ^‼︎Ref from Tu et al. [26]. ^§Ref from Ma [27].