Table 2. Description of the number of samples available per breed and the source.

Breed	n1	Source
Campine	289	KU Leuven
EBRW	50	Gembloux Agro-Bio Tech, AWE
Deep Red	53	Centre for Genetic Resources (CGN)
Improved Red	18	Centre for Genetic Resources (CGN), Gembloux Agro-Bio Tech
MRY	151	Wageningen Livestock Research
BBL	50	AWE
Rouges des Prés	34	AWE, Gautier et al. [15]
Flemish Red	28	CRV
Black Holstein	61	Gautier et al. [15]
Red Holstein	20	CRV

¹Number of genotyped individuals