While most rabbits can be repelled with scent alone, high-density rabbit populations include many young rabbits with voracious appetites, and can be an extremely persistent problem. Liquid Fence features a dual action formula that repels with both scent and taste. Safe for plants, pets, and families. Environmentally safe and biodegradable. Proven effective at repelling rabbits. Long-lasting and rain-resistant. Active ingredient: Putrescent Egg. 32 ounce Ready to use bottle.