Although seen more commonly in dogs than cats, snail bait poisoning does occur in cats too. Snail bait contains one of two poisons, metaldehyde, and methiocarb, both of which can be fatal to cats if ingested. These products typically contain around 3% poison and the rest contains a bait such as bran or molasses which are not only attractive to snails and slugs but also other animals. Up to 50% of pets who consume snail bait will die.
Metaldehyne comes in green pellets.
Methiocarb comes in blue pellets.
Bait may also come in powder form, which sticks to your pet’s coat and paws and may be licked off. Lethal dose is 100-300 mg/kg) . Some snail bait manufacturers also add a bittering agent to deter pets and children, however, this will not put some pets off. If you must use snail bait, ensure your pet doesn’t have access to the treated area and don’t pile it up.
Ingestion can be fatal, only a small amount of snail bait is enough to kill a cat.
Both metaldehyde and methiocarb are a neurotoxin, which stimulates the nervous system. Symptoms occur soon as soon as an hour after ingestion and can include: