. 2023 Feb 10;102(5):102571. doi: 10.1016/j.psj.2023.102571

Table 8.

Effect of strain¹ and target weight on breast and tender myopathies of female broilers.

Treatment	WT²	TF³	WB⁴	WS⁵	SM⁶
Strain	WT²	TF³	WB⁴	WS⁵	SM⁶
SYA	0.34^ab	0.29	0.56^b	0.71^b	0.16^ab
SYB	0.27^b	0.26	0.61^b	0.76^ab	0.09^b
HYA	0.39^a	0.32	0.97^a	0.87^a	0.29^a
HYB	0.33^ab	0.32	0.84^a	0.84^ab	0.14^b
SEM	0.03	0.03	0.05	0.04	0.03
Target weight (g)
2,043	0.12^c	0.24	0.32^d	0.38^c	0.19^ab
2,497	0.11^c	0.27	0.51^cd	0.69^b	0.32^a
2,951	0.36^b	0.36	0.68^c	0.79^b	0.20^ab
3,405	0.48^a	0.33	0.97^b	0.97^a	0.10^b
4,313	0.60^a	0.28	1.24^a	1.13^a	0.04^b
SEM	0.03	0.04	0.05	0.04	0.04
P-values
Strain	0.0278	0.4372	<0.0001	0.0393	0.0025
Target weight (g)	<0.0001	0.1285	<0.0001	<0.0001	<0.0001
Interaction	0.5668	0.8730	0.0880	0.5342	0.6624

Abbreviations: HYA, high yielding A, HYB, high yielding B; SYA, standard yielding A, SYB, standard yielding B.

Woody-like tender. Scored on a numeric scale from 0 to 2 with 0.5 increments.

Feathered tender. Scored on a numeric scale from 0 to 2 with 0.5 increments.

⁴

Woody breast. Scored on a numeric scale from 0 to 3 with 0.5 increments.

⁵

White striping. Scored on a numeric scale from 0 to 3 with 0.5 increments.

⁶

Spaghetti meat. Absence or presence of fraying throughout the Pectoralis major.

^a-d

Means without a common superscript were determined to be significantly different (P < 0.05) by a Tukey's HSD test.