Table 4
Reflective density of myofibrillar proteins in infraspinatus (IS) and gluteus medius (GM) muscles in goats during postmortem chill storage

		Storage time (days)			P value
Parameter	Muscle	0	4	7	Storage	Storage × muscle
Fast MHC1 (density/mm2)	IS	26.54 ± 0.120ax	23.00 ± 0.209bx	20.49 ± 0.231cx	0.004	0.091
	GM	94.33 ± 0.100ay	88.44 ± 0.707by	81.20 ± 0.309cy	0.023
	P value	0.001	0.002	0.001
% loss of fast MHC	IS		13.33 ± 0.900by	22.61 ± 2.110ay	0.009	0.09
	GM		6.24 ± 0.001bx	13.91 ± 0.148ax	0.012
	P value		0.021	0.033
Slow MHC1 (density/mm2)	IS	100.01 ± 4.011ay	85.00 ± 2.991by	63.44 ± 3.311cy	0.001	0.102
	GM	24.10 ± 0.122ax	20.30 ± 2.00bx	17.00 ± 2.121cx	0.001
	P value	0.009	0.011	0.001
% loss of slow MHC	IS		15.00 ± 0.020b	36.56 ± 2.067ay	0.032	0.110
	GM		15.76 ± 0.341b	29.16 ± 2.019ax	0.016
	P value		0.130	0.002
Actin (density/mm2)	IS	13.76 ± 0.400x	13.50 ± 1.207x	13.40 ± 0.610x	0.100	0.102
	GM	21.00 ± 0.211y	20.69 ± 0.144y	20.50 ± 0.201y	0.120
	P value	0.009	0.021	0.018
% loss of actin	IS		1.16 ± 0.001	2.61 ± 0.863	0.091	0.087
	GM		1.47 ± 0.001	2.38 ± 0.152	0.070
	P value		0.114	0.185