Table 1.

Sample sizes and the CNVR numbers detected in the four populations

Breed	Sample size	CNVRs numbera	Unique CNVRsb
Yorkshire	119	178	57
Landrace	13	89	3
Songliao Black	15	101	4
Duroc × Erhualian crossbred	327	239	184
Total	474	382	248

^a CNVRs number means the total number found in one breed.

^b Unique CNVR means CNVR only detected in one breed.