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. 2016 Jan 5;29(9):1322–1330. doi: 10.5713/ajas.15.0703

Table 8.

Standardized ileal amino acid digestibility percentage of cereals and cereal by-products in broiler chicks¹

Amino acid (%)	Ingredients				p-value

	Corn	Rice broken	Rice polishings	Wheat bran
Indispensable amino acid
Arginine	93.3^a ±1.27	94.4^a ±1.87	83.2^b ±3.81	82.5^b ±1.39	^***
Histidine	91.5^a ±2.29	92.6^a ±2.76	75.2^b ±1.92	77.5^b ±0.86	^***
Isoleucine	97.8^a ±1.15	93.2^a ±3.68	75.0^b ±7.12	81.0^b ±0.87	^***
Leucine	94.7^a ±1.31	89.5^a ±3.28	69.6^b ±6.16	78.6^b ±1.87	^***
Lysine	91.0^a ±2.73	96.9^a ±2.03	80.6^b ±4.01	78.6^b ±2.91	^***
Methionine	94.9^a ±0.99	82.1^ab ±4.62	72.1^b ±8.82	81.7^b ±1.66	^**
Phenylalanine	94.2^a ±0.47	88.6^a ±3.28	70.1^b ±7.13	72.8^b ±3.11	^***
Threonine	86.6^a ±3.29	91.1^a ±4.87	70.7^b ±5.13	72.7^b ±1.59	^***
Valine	92.6^a ±0.76	91.6^a ±3.23	71.4^b ±5.60	76.1^b ±1.57	^***
Dispensable amino acid
Alanine	90.1^a ±1.70	87.0^a ±3.13	70.6^b ±3.36	73.5^b ±2.31	^***
Aspartic acid	83.4^a ±2.02	88.4^a ±2.55	70.6^b ±4.84	74.1^b ±1.29	^***
Cysteine	88.6^a ±3.05	84.0^ab ±4.90	66.2^c ±5.73	76.3^bc ±0.78	^***
Glycine	79.4^a ±1.54	86.5^a ±2.96	64.9^b ±4.95	71.1^b ±0.96	^***
Glutamic acid	91.3^a ±1.91	85.0^a ±3.78	71.7^b ±4.86	82.8^a ±1.49	^***
Serine	82.3^ab ±3.43	84.7^a ±3.21	66.8^c ±6.55	73.8^bc ±1.48	^**
Average	90.1^a ±5.18	89.0^a ±4.23	71.9^b ±4.97	76.9^b ±3.87	^***

¹

Data were average of 3 samples of each feed ingredient; diet based on each sample was fed to six replicates each containing six birds.

^a,b,c,d

Values sharing different superscripts within rows are statistically significant (p<0.05).

^*

p<0.05;

^**

p<0.01;

^***

p<0.001.