Table 2. Sharing of causative mutations between breeds.

	All Variants					MAF ≤ 0.1
Breed	HOL	JER	MON	NOR	RDC	HOL	JER	MON	NOR	RDC
HOL	78					64
JER	48	54				23	32
MON	52	41	60			27	16	41
NOR	52	41	45	60		26	16	19	39
RDC	64	48	52	52	77	43	23	29	27	62

Percentage of simulated causative mutations that was segregating in each breed (diagonal) and shared between breeds (below diagonal) according to minor allele frequency (MAF). HOL, Holstein; JER, Jersey; MON, Montbéliarde; NOR, Normande; RDC, Danish Red.