Alternative methods of predator control are widely available, and similarly while rodent control is essential where prevention has failed, more humane and targeted methods are available.
Mae digon o ffyrdd eraill ar gael i reoli anifeiliaid ysgylyfaethus, ac er bod yn rhaid rheoli cnofilod pan fo dulliau i'w hatal wedi methu, mae yna ffyrdd llai creulon, wedi'u targedu o wneud hynny.