Is BBQ CHICKEN SALAD vegan?

iceberg lettuce, romaine lettuce, ranch dressing (filtered water, soybean oil, white vinegar, sugar, egg yolks, salt, buttermilk, onion puree, mustard flour, garlic puree, cilantro, yeast powder, black pepper, lactic acid, dillweed, lemon juice concentrate, xanthan gum), pico de gallo (roma tomatoes, yellow onion, green bell pepper, water, jalapeno pepper, cilantro leaves, vinegar, salt, sugar, lime juice, black pepper, onion powder, chipolte powder, garlic), chicken breast (chicken breast with rib meat, water, seasoning [salt, sugar, spice extractives on a dextrose carrier] and sodium phosphates), lightly salted tortilla strips (corn masa flour, sunflower, safflower, canola and/or corn oil, salt), shredded four cheese blend (monterey jack and queso quesadilla cheese [pasteurized milk, cheese culture, salt, enzymes], asadero and cheddar cheese [pasteurized milk, cheese culture, salt, enzymes, annato {vegetable color}], potato starch and powdered cellulose [to prevent caking], natamycin [a natural mold inhibitor]), bbq chicken sprinkle (procesed from: sugar, tomato powder, vinegar powder [vinegar solids, rice flour], paprika, onion and garlic powder, spices, yeast extract, natural smoke flavor and not more than 2% silicon dioxide added to prevent caking).

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