TABLE 1.

Descriptive statistics of the genomic datasets used for the analyses.

Country	Breed	Number of animals	Year of birth	Number of SNPs remaining	Number of SNPs removed
					5MAF	6CR	7HWE
Norway	1NWS	792	1977 to 2016	526,044	34,189	16,141	793
New Zealand	Finn	50	1997 to 2005	482,501	79,316	15,350	0
	Primera	8,554	2008 to 2016	502,238	26,145	14,096	34,688
	Texel	220	1985 to 2016	504,836	57,631	14,551	149
	2DP	1,831	1996 to 2016	526,874	30,492	17,401	2,400
	3LambSup	6,092	1995 to 2016	525,952	29,300	13,626	8,289
	4TS	165	2005 to 2016	526,175	34,048	16,893	51
All		17,704	1977 to 2016	523,355	25,031	13,880	14,901

¹NWS, Norwegian White Sheep; ²DP, “Other Dual Purpose”; ³LambSup, Lamb Supreme; ⁴TS, “Other Terminal Sire”, ⁵MAF, minor allele frequency lower than 0.01; ⁶CR, call rate lower than 95%; ⁷HWE, Hardy Weinberg equilibrium (p-value < 10^–15).