Table 1.

Characteristics of the dogs included in the study at the time of enrollment.

	Treatment 1 (hydrolyzed diet supplemented with PRBs and GAGs)	Treatment 2 (hydrolyzed diet only)
Breed	Lurcher Cross Breed Staffordshire Bull Terrier Coker Spaniel Cockapoo Border Collie Labrador Retriever (3)	German Shepherd (2) Boxer Border Collie Collie Cross Lhasa Apso
Sex	Female (0) Neutered female (4) Male (2) Neutered male (3)	Female (1) Neutered female (0) Male (4) Neutered male (1)
Age (months)	54.5 (14–131)	36 (19–80)

Numerical data are expressed as median (range).