Effect of protease supplementation on apparent ileal crude protein and amino acid digestibility of over-processed soybean meals in broilers

Salazar-Villanea, Sergio; Astúa-Ureña, Maikol; Masís-Montoya, Allison; Herrera-Muñoz, Juan I.; Salas-Durán, Catalina

doi:10.1186/s40104-022-00728-w

Journal of Animal Science and Biotechnology

Table 3 Apparent ileal digestibility of crude protein (CP) and amino acids, %

From: Effect of protease supplementation on apparent ileal crude protein and amino acid digestibility of over-processed soybean meals in broilers

Nutrient	SBM processing			Protease		Experimental diets							P-value
Nutrient	SBM	SBM30	SBM60	No	Yes	SBM	SBM + E	SBM30	SBM30 + E	SBM60	SBM60 + E	SEM	P	E	P × E
CP	85.47	72.05	48.19	68.21	68.93	82.36^ab	88.59^a	67.23^bc	76.87^ab	55.05^cd	41.33^d	10.62	< 0.0001	0.83	0.01
Essential amino acids
Arg	93.25^x	89.06^x	75.74^y	84.67	87.36	91.54	94.95	86.51	91.61	75.96	75.52	5.07	< 0.0001	0.10	0.35
His	90.24^x	82.61^y	61.88^z	76.71	79.78	87.98	92.50	78.53	86.69	63.63	60.14	7.39	< 0.0001	0.19	0.12
Ile	87.55^x	82.67^x	64.84^y	76.67	80.03	84.51	90.59	78.81	86.53	66.70	62.97	7.17	< 0.0001	0.14	0.09
Leu	87.68^x	84.26^x	68.95^y	78.53	82.07	84.47	90.90	80.63	87.89	70.48	67.41	6.59	< 0.0001	0.10	0.09
Lys	89.76^x	77.86^y	42.80^z	68.68	71.59	87.42	92.11	72.19	83.52	46.44	39.15	10.71	< 0.0001	0.39	0.09
Met	90.96^x	84.29^y	66.32^z	80.20	80.85	88.61	93.31	82.12	86.47	69.87	62.78	7.00	< 0.0001	0.77	0.06
Phe	91.53^x	89.46^x	80.36^y	85.53	88.71	89.03	94.03	86.57	92.36	81.00	79.73	4.27	< 0.0001	0.02	0.08
Thr	81.23^x	71.04^x	42.22^y	62.22	67.44	77.16	85.31	64.67	77.41	44.83	39.60	12.05	< 0.0001	0.17	0.14
Trp	82.41	74.25	39.15	69.86	60.68	79.33^a	85.49^a	77.42^a	71.08^ab	52.83^b	25.46^c	13.72	< 0.0001	0.04	0.01
Val	86.84^x	80.88^x	61.23^y	74.56	78.07	83.58	90.10	76.56	85.19	63.55	58.91	7.92	< 0.0001	0.17	0.08
Non-essential amino acids
Ala	86.28^x	79.36^x	55.59^y	72.13	75.36	82.96	89.60	74.82	83.91	58.60	52.58	9.14	< 0.0001	0.26	0.08
Asp	86.73^x	69.56^y	30.80^z	60.45	64.28	83.92	89.54	62.95	76.16	34.47	27.13	13.09	< 0.0001	0.35	0.13
Cys	77.66^x	63.55^x	13.36^y	50.30	52.75	70.78	84.54	58.79	68.30	21.31	5.40	16.67	< 0.0001	0.64	0.06
Glu	90.81^x	82.44^y	60.54^z	76.99	78.87	88.85	92.78	78.38	86.51	63.74	57.33	7.63	< 0.0001	0.43	0.05
Gly	82.22	69.09	37.73	61.11	64.92	77.96^ab	86.49^a	61.92^bc	76.26^ab	43.44^cd	32.01^d	12.60	< 0.0001	0.34	0.03
Pro	86.72	77.04	50.25	68.80	73.87	82.82^ab	90.61^a	70.08^b	84.00^ab	53.49^c	47.00^c	13.56	< 0.0001	0.10	0.03
Ser	84.26^x	75.34^x	51.45^y	67.80	72.90	80.47	88.06	69.12	81.57	53.82	49.08	10.32	< 0.0001	0.12	0.10
Tyr	89.02^x	85.46^x	66.78^y	77.83	83.01	85.02	93.02	81.98	88.94	66.50	67.06	6.13	< 0.0001	0.01	0.24

Abbreviations: SEM standard error of the mean, P soybean meal processing, E enzyme supplementation
^a,b,c,dMeans with different superscript letters within a row are significantly different (P < 0.05)
^x,y,zMeans with different superscript letters within a row are significantly different (P < 0.05)

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ISSN: 2049-1891

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