Flocks frenzy for grubs! High protein, calcium rich, North American grown treats. Contain min 30% crude protein, min 1.8% lysine, min 0.5% methionine, min 33% crude fat, max 8% crude fiber, min 0.85% max 1.35% calcium, min 0.4% phosphorus, min 0.1% max 0.5% salt and min 0.05% max 0.15% sodium.