Table 8.

The coefficients and P-value of Spearman's rank correlation of WBM score with BW, breast weights, and meat quality of 5 strains of broilers fed a control or amino acid–reduced diet (with digestible lysine, TSAA, and threonine being 20% lower than control diet) on day 56.

Treatment	Diet	BW		Breast weight		pH		L∗		Cook loss		Shear force
Strain		Coefficient	P-value	Coefficient	P-value	Coefficient	P-value	Coefficient	P-value	Coefficient	P-value	Coefficient	P-value
Strain 1	Control	0.308	0.098	0.413	0.023	0.105	0.580	0.249	0.185	0.069	0.814	0.106	0.717
Strain 1	Reduced	0.589	0.0006	0.719	<0.0001	0.162	0.393	0.464	0.010	−0.349	0.202	0.238	0.394
Strain 2	Control	0.353	0.048	0.523	0.002	0.545	0.001	0.073	0.695	−0.196	0.468	0.051	0.850
Strain 2	Reduced	0.525	0.002	0.819	<0.0001	0.409	0.022	0.349	0.055	0.251	0.367	0.403	0.136
Strain 3	Control	0.507	0.003	0.631	0.0001	0.206	0.258	0.473	0.006	0.329	0.213	0.343	0.194
Strain 3	Reduced	0.066	0.721	0.276	0.127	0.247	0.174	−0.146	0.426	−0.182	0.501	0.419	0.106
Strain 4	Control	0.289	0.115	0.410	0.022	0.198	0.285	0.035	0.850	−0.433	0.107	−0.087	0.757
Strain 4	Reduced	0.487	0.006	0.598	0.0004	−0.030	0.871	0.406	0.024	−0.272	0.326	0.245	0.380
Strain 5	Control	0.552	0.001	0.666	<0.0001	0.130	0.485	0.036	0.847	0.104	0.702	−0.211	0.434
Strain 5	Reduced	0.418	0.017	0.615	0.0002	0.485	0.005	0.336	0.065	0.033	0.903	0.492	0.053

Abbreviation: WBM, woody breast myopathy.