Table 1.

Composition and content of nutrients in different native chicken treatments.

Feed material	Treatment
	T1	T2	T3	T4	T5	T6
Yellow corn (%)	56.00	56.00	56.00	56.00	56.00	56.00
Rice bran (%)	21.00	20.60	20.50	20.85	21.50	20.35
Fishmeal (%)	9.00	9.00	9.00	9.00	9.00	9.00
Soybean meal (%)	9.50	9.50	9.50	9.50	9.50	9.50
Dl-methionine (%)	0.25	0.25	0.25	0.25	0.25	0.25
L-threonine (%)	0.80	0.80	0.80	0.80	0.80	0.80
L-tryptophan (%)	0.10	0.10	0.10	0.10	0.10	0.10
L-lysine HCl (%)	0.85	1.00	0.85	1.00	0.85	1.00
L-arginine (%)	0.50	0.75	1.00	0.50	0.75	1.00
Mineral premix (%)	0.30	0.30	0.30	0.30	0.30	0.30
Vitamin premix (%)	0.30	0.30	0.30	0.30	0.30	0.30
Calcium (%)	0.90	0.90	0.90	0.90	0.90	0.90
Phosphor (%)	0.40	0.40	0.40	0.40	0.40	0.40
Total (%)	100.00	100.00	100.00	100.00	100.00	100.00
Composition of nutrients
Metabolized energy (kcal/kg)1	2983.02	2974.10	2971.88	2979.67	2994.16	2968.54
Crude protein (%)1	17.92	17.88	17.87	17.91	17.98	17.85
Crude fat (%)1	5.39	5.36	5.35	5.38	5.44	5.34
Ash (%)1	7.84	7.80	7.79	7.82	7.89	7.77
Crude fiber (%)1	9.63	9.57	9.55	9.60	9.73	9.53
Methionine (%)	0.32	0.32	0.32	0.32	0.32	0.32
Threonine (%)	1.00	1.00	1.00	1.00	1.00	1.00
Tryptophan (%)	0.27	0.27	0.27	0.27	0.27	0.27
Lysine (%)	0.92	1.07	0.92	1.07	0.92	1.07
Arginine (%)	0.68	0.93	1.18	0.68	0.93	1.18
Calcium (%)	1.84	1.84	1.84	1.84	1.84	1.84
Available phosphor (%)	0.60	0.60	0.60	0.60	0.60	0.60

¹Analysis result of Biochemical Laboratory of the Faculty of Animal Husbandry UGM Yogyakarta, 2017