Protein source
Ingredient guideUnclear animal protein source
Animal protein
MEAT AND BONE MEAL (SOURCE OF CALCIUM) (#2), CHICKEN BY-PRODUCT MEAL (SOURCE OF GLUCOSAMINE AND CHONDROITIN SULFATE) (#3), CHICKEN (#8)
Plant protein
CORN GLUTEN MEAL (#4), SOYBEAN MEAL (#6), DRIED PEAS (#16)
Animal-based does not always mean clearly sourced.
Unspecified animal protein is read conservatively.