Table 3. Sales ratio of animal welfare certified livestock products to general livestock products (Unit: N, %)

Classification		Sales ratio					Total	x2	p
		60%≤	30%≤	20%≤	10%≤	10%＞
Company size	Major company	0 (0.0)	1 (14.3)	0 (0.0)	1 (14.3)	5 (71.4)	7 (100.0)	20.056*	0.010
	Middle-standing	1 (16.7)	1 (16.7)	2 (33.3)	0 (0.0)	2 (33.3)	6 (100.0)
	Small business	0 (0.0)	10 (66.7)	1 (6.7)	3 (20.0)	1 (6.7)	15 (100.0)
Total		1 (3.6)	12 (42.9)	3 (10.7)	4 (14.3)	8 (28.6)	28 (100.0)

p<0.05.