Skip to main content
. 2017 Aug 14;18:609. doi: 10.1186/s12864-017-3933-x

Fig. 1.

Fig. 1

Principal components analysis (PCA) of UK Labrador Retrievers: a dogs labelled by coat colour (black, yellow, chocolate); b dogs labelled by role (gundog, showdog, pet, unknown, other); c dogs labelled by geographical location