Friendship or Competition? Symmetry in Social Play within the Two Packs of German Shepherd Puppies
The symmetry of social play Decorating Ideas in Canids has been previously studied, especially in wolves, free-ranging dogs, and within mixed-aged groups, however our study focused on symmetry and asymmetry within play interactions in two litters (14 puppies) of German Shepherd dogs (GSDs).At the age of 7 weeks, we evaluated 1287 dyadic interaction