Table 1. Information on the dog breeds used in this study.

GD, guarding dogs; LHD, livestock herding dogs; HD, hunting dogs. Demographic data only available for Bulgarian dog breeds.

Breed/population of dogs	Number of samples	Locality	Function	Current female population size	Current conservation status	Total number of haplotypesa	Unique haplotypesb
Bulgarian Shepherd dog: BOK	14	All country	GD	1,300	Not at risk	11	4
Bulgarian Shepherd dog: Karakachan	37	The Rhodope mountain and other mountainous parts of the country	LHD	100	Endangered	10	5
Bulgarian Hound dog: Barak	34	North-Western Bulgaria	HD	120	Endangered	15	7
Bulgarian Scenthound dog: Gonche	45	North-Eastern Bulgaria	HD	150	Endangered	10	3

Notes.

^aBased on 732 bp mtDNA fragment calculated by DnaSP 5.10.1 (Librado & Rozas, 2009).

^bUnique haplotypes based on the clipped 630 bp mtDNA fragment described above.