Performance of Clarias gariepinus Fed Dried Brewer’s Yeast (Saccharomyces cerevisiae) Slurry in Replacement for Soybean Meal

Table 3

Amino acid requirements and chemical score of prepared diets.

Amino acid	Requirements (% protein) [32, 33]	Chemical score
		Diet 1	Diet 2	Diet 3	Diet 4	Diet 5
Arginine	4.3	158.97	154.17	148.41	142.66	136.90
Histidine	1.5	147.67	144.79	140.87	137.10	133.32
Isoleucine	1.56	301.68	295.15	286.01	276.88	267.74
Leucine	4.87	161.05	162.17	162.11	162.08	162.05
Lysine	4.49	142.34	154.34	165.33	176.31	187.31
Methionine	1.15	154.98	149.50	142.19	134.67	127.14
Cystine	1.15	121.81	101.34	79.53	57.77	35.97
Phenylalanine	2.5	187.88	184.71	180.06	175.45	170.83
Tyrosine	2.5	137.36	140.11	141.76	143.43	145.10
Threonine	2.04	200.08	203.32	204.98	206.58	208.17
Tryptophan	0.5	249.51	245.59	239.60	233.70	227.79
Valine	2.08	241.52	251.17	258.55	265.98	273.41