Table 3.

Total amino acids and amino acid content (g/100 g meat) of chicken breast meat derived from normal commercial hybrid, commercial hybrid affected by white striping and wooden breasts (WBWS) myopathies, and slow-growing breed Polverara.

Amino acids	Genotype			P-value	RSD1
	Hybrid, normal	Hybrid, WSWB	Polverara
No.	30	30	30
Total amino acids	21.5B	17.6C	23.4A	<0.0001	1.96
Essential amino acids:
Arginine	1.88A	1.11B	1.92A	<0.0001	0.33
Histidine	0.74B	0.67B	0.94A	<0.0001	0.12
Isoleucine	0.83A,b	0.70B	0.94A,a	<0.0001	0.16
Leucine	1.51B	1.31C	1.66A	<0.0001	0.15
Lysine	2.12A	1.62B	2.44A	<0.0001	0.61
Methionine	1.06B	0.96C	1.29A	<0.0001	0.09
Phenylalanine	0.79B	0.67C	0.90A	<0.0001	0.10
Threonine	1.05A	0.93B	1.10A	<0.0001	0.11
Tryptophan	0.44	0.44	0.41	0.3363	0.10
Valine	1.02A	0.71B	0.72B	<0.0001	0.22
Nonessential amino acids:
Alanine	1.07B	0.98C	1.25A	<0.0001	0.10
Aspartic acid	1.92B	1.65C	2.12A	<0.0001	0.18
Cysteine	0.22	0.23	0.22	0.9543	0.03
Glutamic acid	3.71A	2.91B	3.94A	<0.0001	0.38
Glycine	0.87B	0.70C	0.94A	<0.0001	0.09
Proline	0.56B	0.58B	0.75A	<0.0001	0.08
Serine	0.99B	0.75C	1.14A	<0.0001	0.19
Tyrosine	0.66B,a	0.60B,b	0.74A	<0.0001	0.09
Taurine	0.15A	0.05B	0.00C	<0.0001	0.02

^{A, B, C}Means in the same row with unlike superscripts significantly differ (P < 0.01).

^{a, b, c}Means in the same row with unlike superscripts significantly differ (P < 0.05).

¹Residual standard deviation.