If you are going away on holiday and your cat is going to be spending the time in a cattery, it's important that you make sure your pet is free of fleas before you board him. Fleas are notoriously easy to transmit between pets, and you won't be popular with the cattery if your kitty arrives with a load of unwanted passengers. Here's how to make sure that your cat is flea-free before you take him to the boarding cattery.