Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to protect your cat from mosquito bites [title] Provide your cat with a heartworm prevention product. [step] Perhaps the most common risk for cats associated with mosquito bites are heartworms. Heartworms are transmitted through mosquito bites and can destroy your cat's cardiovascular system and cut their lifespan short.

Ending1: [substeps] Heartworm prevention is typically administered to dogs and cats monthly. Heartworm prevention can be given to your cat orally or topically. Ending2: Provide your cat with a brand-new heartworm product every two to three weeks. [substeps] A particularly powerful or effective anti-mosquito product is the ile ® vaccination. Ending3: [substeps] Your cat will need a non-allergenic product containing either salicylates, such as micropeptides, or a mosquito preventative product containing salicylates. These substances can kill insects, including spiders, but can be difficult to control and should only be used by veterinarians. Ending4: [substeps] Ask your vet what type of heartworm product you should give your cat. Make sure you explain to the veterinarian how the product works and how to administer it.

Answer format: ending1/ending2/ending3/ending4