Table 1.

Crude protein and amino acid analysis of animal protein by-products, DM basis¹

	DM	CP	Arg	Cys	His	Ile	Leu	Lys	Met	Phe	Thr	Trp	Val
Blood meal
Average (n = 26)	90.91	100.72	4.29	0.96	6.70	1.28	12.77	9.20	1.05	6.88	4.05	1.71	8.54
SD	0.98	4.12	0.13	0.21	1.10	0.75	1.29	0.44	0.27	0.41	0.78	0.04	0.96
Lowest	88.52	94.38	3.99	0.59	5.34	0.55	10.99	8.40	0.73	6.21	3.07	1.63	7.16
Highest	92.33	105.89	4.51	1.25	7.99	2.48	14.21	9.94	1.46	7.58	5.15	1.81	9.55
Chicken by-product meal
Average (n = 19)	95.76	67.32	4.33	0.71	1.38	2.51	4.51	3.87	1.28	2.52	2.53	0.66	3.09
SD	0.61	6.17	0.47	0.08	0.17	0.31	0.52	0.60	0.19	0.25	0.29	0.09	0.33
Lowest	94.36	51.16	3.18	0.52	1.05	1.75	3.25	2.60	0.88	1.89	1.80	0.47	2.22
Highest	96.82	72.53	4.74	0.81	1.64	2.78	4.97	4.58	1.48	2.75	2.80	0.75	3.39
Chicken meal
Average (n = 9)	95.48	67.92	4.47	0.51	1.45	2.47	4.38	4.21	1.38	2.44	2.45	0.60	2.88
SD	0.96	2.14	0.15	0.08	0.11	0.17	0.29	0.30	0.09	0.14	0.15	0.06	0.18
Lowest	93.82	65.75	4.31	0.41	1.33	2.26	4.07	3.86	1.28	2.30	2.27	0.53	2.67
Highest	96.64	70.93	4.69	0.64	1.62	2.75	4.89	4.66	1.50	2.68	2.68	0.71	3.19
Feather meal
Average (n = 23)	92.13	92.07	6.26	4.36	1.00	4.36	7.63	2.31	0.65	4.51	4.30	0.66	6.76
SD	1.00	3.20	0.33	0.30	0.32	0.21	0.28	0.43	0.04	0.16	0.14	0.08	0.29
Lowest	90.45	87.98	5.83	3.77	0.70	4.06	7.04	1.90	0.58	4.16	4.05	0.58	6.33
Highest	94.22	97.61	6.81	4.83	1.75	4.74	8.06	3.34	0.74	4.75	4.55	0.87	7.29
Meat and bone meal
Average (n = 97)	94.93	56.93	3.82	0.67	1.14	1.75	3.51	2.98	0.82	2.03	1.93	0.38	2.48
SD	1.02	3.39	0.25	0.05	0.13	0.16	0.25	0.26	0.10	0.14	0.14	0.05	0.16
Lowest	91.90	48.03	3.36	0.53	0.80	1.26	2.77	2.29	0.59	1.61	1.50	0.25	2.02
Highest	97.11	64.77	4.33	0.84	1.44	2.12	4.17	3.60	1.06	2.38	2.30	0.50	2.93
Meat meal
Average (n = 16)	95.85	58.56	3.89	0.69	1.28	1.92	3.76	3.22	0.92	2.15	2.07	0.44	2.63
SD	0.76	3.32	0.26	0.06	0.15	0.15	0.30	0.21	0.08	0.15	0.15	0.04	0.17
Lowest	94.02	52.48	3.39	0.59	1.06	1.58	3.31	2.88	0.75	1.90	1.77	0.37	2.37
Highest	96.83	63.44	4.29	0.80	1.63	2.20	4.39	3.67	1.01	2.46	2.32	0.52	2.98
Poultry by-product meal
Average (n = 16)	95.71	63.52	4.28	0.72	1.11	2.04	3.80	3.26	1.04	2.21	2.15	0.45	2.65
SD	0.45	5.12	0.27	0.13	0.18	0.38	0.61	0.50	0.18	0.31	0.34	0.13	0.41
Lowest	94.44	54.99	3.84	0.49	0.85	1.56	3.14	2.70	0.73	1.86	1.79	0.30	2.25
Highest	96.24	71.45	4.74	0.91	1.35	2.56	4.64	3.97	1.28	2.63	2.63	0.63	3.25
Poultry meal
Average (n = 6)	95.84	67.10	4.48	0.74	1.23	2.27	4.20	3.65	1.18	2.42	2.38	0.52	2.90
SD	0.49	1.67	0.09	0.07	0.10	0.14	0.28	0.23	0.08	0.14	0.13	0.05	0.17
Lowest	94.99	63.78	4.33	0.67	1.07	2.05	3.73	3.31	1.05	2.16	2.14	0.45	2.57
Highest	96.42	68.38	4.60	0.87	1.34	2.42	4.46	3.87	1.26	2.54	2.50	0.59	3.05

¹Analyzed using near-infrared spectroscopy by Evonik Nutrition & Care GmbH, 63457, Hanau, Germany.