Table 4. Thickness of intermuscular fat of pork between group with air cleaner and group without air cleaner

	Treatment (with air cleaner)	Control (without air cleaner)
N	10	10
Intermuscular fat (mm)	22.34	16.97
SD	6.39	5.48
A class (22 mm)	1	2
B class (10–25 mm)	5	3
C class (8–28 mm)	4	5