Table 1 ID number, samples identification (brand, type of elimination diet and addressed animal species, declared animal protein source, protein and fat sources of animal origin as stated in the ingredients list) and animal species DNA identified in dry and wet novel protein diets (NPDs) and hydrolyzed protein diets (HPDs) by microarray analysis
Sample ID | Brand ID | Product type | Declared protein sources | Protein sources in ingredients list | Fat sources in ingredients list | Animal species DNA detected in the samples | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Pork | Bovine | Horse | Fish | Chicken | Turkey | Duck | Goose | Sheep | Goat | Rabbit | Poultry | ||||||
Dry pet foods | |||||||||||||||||
 1 | A | Dog- NPD | Duck | Dehydrated duck meat |  | + | + | – | + | + | + | + | + | – | – | – | + |
 2 | B | Dog- NPD | Duck | Dehydrated duck meat |  | + | + | – | – | + | + | – | – | + | – | – | + |
 3 | A | Dog- NPD | Horse | Dehydrated horse meat |  | + | + | + | – | + | + | – | – | – | – | – | + |
 4 | B | Dog- NPD | Horse | Dehydrated horse meat |  | + | – | + | + | + | – | – | – | + | – | – | + |
 5 | C | Dog- NPD | Lamb | Lamb meat meal, hydrolyzed lamb meat, hydrolyzed liver | Poultry fat | + | + | + | + | + | + | + | – | + | – | – | + |
 6 | D | Dog- NPD | Salmon | Fresh salmon, hydrolyzed salmon, salmon meal | Animal fat, fish oil | + | + | – | + | + | + | – | – | + | – | – | + |
 7 | A | Dog- NPD | Salmon | Hydrolyzed salmon meal |  | + | + | + | + | + | + | + | – | – | – | – | + |
 8 | E | Dog- NPD | Swine | Animal proteins, ham | Purified swine fat, fish oil | + | + | – | – | + | + | – | – | + | – | – | + |
 9 | B | Dog- NPD | Venison | Hydrolyzed venison |  | + | + | + | – | + | + | – | – | + | + | – | + |
 10 | F | Dog- HPD | Hydrolyzed chicken | Hydrolyzed chicken liver |  | + | – | – | – | + | + | – | – | – | – | – | + |
 11 | G | Dog- HPD | Hydrolyzed chicken | Low molecular weight hydrolyzed feather | Fish oil, animal fats | + | – | – | – | + | + | – | – | – | – | – | + |
 12 | G | Dog- HPD | Soy | Hydrolyzed chicken liver | Animal fats, fish oil | + | – | – | – | + | + | – | – | – | – | – | + |
 13 | G | Cat- HPD | Soy | Hydrolyzed chicken liver | Animal fats, fish oil | + | + | – | + | + | + | – | + | – | – | – | + |
 14 | H | Dog- HPD | Soy |  | Fish oil | – | – | – | – | – | – | – | – | – | – | – | – |
 15 | H | Cat- HPD | Soy | Hydrolyzed offal | Animal fat, fish oil | + | – | – | – | + | – | – | – | – | – | – | + |
Wet pet foods | |||||||||||||||||
 16 | G | Cat- NPD | Chicken | Chicken liver and meat | Fish oil | – | – | – | – | + | – | – | – | – | – | – | + |
 17 | A | Dog- NPD | Duck | Duck meat |  | + | + | – | – | – | + | – | – | – | – | – | + |
 18 | B | Dog- NPD | Duck | Duck |  | – | – | – | – | – | – | + | – | – | – | – | + |
 19 | I | Dog- NPD | Duck | Fresh duck |  | + | + | – | – | + | + | – | – | – | – | – | + |
 20 | J | Dog- NPD | Duck | Duck meat |  | + | – | – | – | + | – | + | – | – | – | – | + |
 21 | K | Dog- NPD | Goat | Goat heart, lung, liver, meat, goat meat broth | Salmon oil | – | – | – | – | – | – | – | – | + | + | – | – |
 22 | A | Dog- NPD | Horse | Horse meat |  | + | + | + | – | + | – | – | – | – | – | – | – |
 23 | B | Dog- NPD | Horse | Horse |  | – | – | + | – | – | – | – | – | – | – | – | – |
 24 | L | Dog- NPD | Horse | Horse meat |  | – | – | + | – | – | – | – | – | – | – | – | – |
 25 | K | Dog- NPD | Horse | Horse heart, lung, liver, stomach, meat, horse meat broth | Salmon oil | – | – | + | – | – | – | – | – | – | – | – | – |
 26 | D | Dog- NPD | Salmon | Salmon |  | + | – | – | + | – | – | – | – | – | – | – | – |
 27 | A | Dog- NPD | Salmon | Fish |  | – | – | – | + | – | – | – | – | – | – | – | – |
 28 | F | Dog- NPD | Salmon | Fish and fish by-products | Oils and fats | + | – | – | – | + | + | – | – | – | – | – | + |
 29 | M | Dog- NPD | Salmon | Salmon |  | + | + | – | + | + | + | – | – | + | – | + | + |
 30 | N | Dog- NPD | Swine | Swine meat |  | + | – | – | – | + | + | – | – | – | – | – | + |
 31 | B | Dog- NPD | Swine | Pork |  | + | – | – | – | – | – | – | – | – | – | – | – |
 32 | K | Dog- NPD | Turkey | Turkey heart, liver, meat, throat, stomach, turkey meat broth | Salmon oil | – | – | – | – | + | + | – | – | – | – | – | + |
 33 | B | Dog- NPD | Venison | Venison |  | + | – | – | – | – | – | – | – | – | – | – | – |
 34 | C | Dog- NPD | Venison | Venison and deer offal, deer broth |  | + | + | + | – | + | – | – | – | + | – | – | + |
 35 | F | Dog- HPD | Hydrolyzed chicken | Hydrolyzed chicken liver |  | – | – | – | – | + | – | – | – | – | – | – | – |
 36 | F | Cat- HPD | Hydrolyzed chicken | Hydrolyzed chicken liver |  | – | – | – | – | + | – | – | – | – | – | – | – |
 37 | G | Dog- HPD | Soy | Hydrolyzed poultry liver | Oils and fats | + | – | – | – | – | – | – | – | – | – | – | – |
 38 | I | Dog- NPD | Lamb | Lamb meat |  | + | – | – | – | + | + | – | – | + | – | – | + |
 39 | I | Dog- NPD | Turkey | Turkey meat |  | + | – | – | – | + | + | – | – | + | – | – | + |
 40 | I | Dog- NPD | Chicken | Chicken meat |  | + | + | – | – | + | + | – | – | – | – | – | + |