I didn’t know till I took him to my vet the breed has hip complications that's a fault. That probably why he was neutered. It’s a good idea to retain a Siamese as an indoor-only cat to shield him from conditions spread by other cats, attacks by puppies or coyotes, https://raymondqycgk.blogstival.com/57768333/an-unbiased-view-of-maine-coon