Table 2. Overview of diets given to dogs in this study.

Dog id1	Diet2
Dogs with tumors
1	Royal Canin Adult dry food
2	Purina Proplan dry food
3	Royal Canin Adult Yorkshire terrier dry food, Hill`s Prescription Diet i/d dry food, various types of canned food and table scrapes
4	Eukanuba Adult dry food
5	Royal Canin Adult 7+ dry food
6	Royal Canin Sensible dry food, Hill`s Prescription Diet j/d dry food, Hill`s Prescription Diet a/d canned food.
7	Royal Canin setter dry food
8	Eukanuba Dermatosis dry food
9	UN
10	UN
Control dogs
11	UN
12	Hill`s Prescription Diet j/d dry food
13	UN
14	Felleskjøpet Labb Adult dryfood
15	Felleskjøpet Labb Adult dryfood
16	Felleskjøpet Labb Adult dryfood
17	Felleskjøpet Labb Adult dryfood
18	Felleskjøpet Labb Adult dryfood
19	Felleskjøpet Labb Adult dryfood
20	Felleskjøpet Labb Adult dryfood
21	Felleskjøpet Labb Adult dryfood
22	Felleskjøpet Labb Adult dryfood
23	Felleskjøpet Labb Adult dryfood

¹Dog identifier (id) number

²UN: unknown