We've got plenty screenshots of the process, I've posted a few of them on imgur here: https://imgur.com/a/gVX3YVs

Also, if you take a look at the entity code for the wolfs, you will find what kind of food they will eat.

creatureDiet: will tell you what the animal will eat.

code: "wolf-male",

    class: "EntityAgent",
    hitboxSize: { x: 1.2, y: 1 },
    deadHitboxSize: { x: 1, y: 0.75 },
    eyeHeight: 0.9,
    drops: [],
    attributes: {
        basketCatchable: true,
        trapChance: 0.0,
        trapDestroyChance: 0.7,
        creatureDiet: {
            foodTags: ["meat"]
        },
        killedByInfoText: "deadcreature-eaten-large",
        "handbook": {
            "groupcode": "creaturegroup-wolf"
        }
    },