Table 2.

Animals involved in the identification of the differentially methylated CpG sites (Study 1).

Sub-species	Breed	Living conditions	Sex	Age
Wolf	Timber	Hand-raised at the WSC	Male	6 years
Wolf	Timber	Hand-raised at the WSC	Male	2 years
Wolf	Timber	Hand-raised at the WSC	Female	4 years
Dog	Mix breed	Hand-raised at the WSC	Female	2 years
Dog	Mix breed	Hand-raised at the WSC	Female	3 weeks
Dog	Mix breed	Pet dog (kept inside)	Female	7 years
Dog	Shetland Sheepdog	Pet dog (kept inside)	Female	2 years
Dog	Caucasian Shepherd	Guard dog at dog school	Male	7 years
Dog	Boxer	Pet dog (kept inside)	Male	6 months
Dog	Central Asian Shepherd	Pet dog (kept outside)	Male	2 weeks
Dog	West Highland White Terrier	Pet dog (kept inside)	Male	9 years
Dog	Beagle	Pet dog (kept outside)	Female	5 years