Table 5. Apparent total trace nutrient digestibility of amino acids in various carbohydrate sources diets in dogs

Amino acid (%)	Barley	Brown rice	Corn	Mung bean (correction)	Rice	SEM	F value	Pr (> F)
Essential amino acid
Arginine	93.51^a1)	94.17^a	93.91^a	85.69^b (78.19)	93.98^a	0.61	26.29	< 0.001
Histidine	91.36^a	91.87^a	91.66^a	79.13^b (67.81)	91.64^a	0.87	46.10	< 0.001
Isoleucine	92.37^a	92.38^a	92.71^a	82.93^b (74.18)	92.61^a	0.71	26.35	< 0.001
Leucine	93.13^a	91.99^a	94.10^a	83.03^b (74.14)	92.85^a	0.75	25.86	< 0.001
Lysine	91.74^a	92.71^a	92.00^a	81.55^b (71.55)	92.60^a	0.77	34.39	< 0.001
Methionine	95.19^ac	91.49^b	96.75^c	85.68^d (79.75)	92.23^ab	0.70	26.81	< 0.001
Phenylalanine	92.80^a	90.90^a	92.45^a	82.03^b (73.16)	91.84^a	0.76	22.42	< 0.001
Threonine	89.17^a	90.32^a	90.29^a	74.28^b (59.33)	90.80^a	1.17	28.13	< 0.001
Tryptophan	88.86^a	89.87^a	90.65^a	76.81^b (64.34)	90.60^a	1.15	10.62	< 0.001
Valine	91.06^a	91.03^a	91.38^a	79.69^b (69.09)	91.41^a	0.86	2.72	< 0.001
Nonessential amino acid
Alanine	90.18^a	90.87^a	91.51^a	79.45^b (68.93)	91.08^a	0.85	26.30	< 0.001
Aspartic acid	89.10^a	90.75^a	90.34^a	78.98^b (68.54)	90.51^a	0.82	30.05	< 0.001
Cysteine	84.24^a	78.76^a	87.47^a	59.85^b (41.73)	79.88^a	1.81	22.43	< 0.001
Glutamic acid	93.57^a	91.55^a	91.31^a	82.35^b (73.80)	91.80^a	0.74	35.47	< 0.001
Glycine	88.05^a	89.36^a	88.91^a	73.71^b (59.46)	89.46^a	1.08	39.03	< 0.001
Proline	92.49^a	89.27^a	91.85^a	74.84^b (60.87)	90.27^a	1.16	38.60	< 0.001
Serine	82.68^a	83.54^a	84.63^a	70.95^b (60.93)	82.02^a	1.04	12.64	< 0.001
Tyrosine	90.51^a	88.70^a	92.28^a	77.99^b (67.13)	89.99^a	0.97	20.29	< 0.001

Values are expressed as means.
Different letters above the number indicate significant differences between means. If the same letters, such as a and ab or ab and b, are present, this indicates an insignificant difference. Additionally, if the ANOVA was not statistically significant, no letters were displayed in the table.