Table 1.

Distribution of the 38.7-kb CNV across diverse pig breeds with different ear size

Phenotype	Breed	n	CNV state
			−/−	±	+/+
Chinese breeds
Small and erect ears	Tibetan pig	12	12	0	0
	Diannan small-ear	11	11	0	0
	Mingguan small-ear	13	13	0	0
Large and floppy ears	Erhualian	22	0	3a	19
	Jiaxing black	11	0	1	10
	Meishan	10	0	1	9
	Mi pig	11	0	0	11
	Min pig	17	0	0	17
	Hetao	11	3	2	6
Chinese wild boar		11	11	0	0
Western breeds
Small and erect ears	Large white	10	10	0	0
	White Duroc (F0 boar)	2	2	0	0
	Duroc	10	10	0	0
Half floppy ears	Landrace	11	8	1	2

^aThree heterozygotes of Erhualian were founder dams of the White Duroc × Erhualian F₂ intercross