sentences:  He has written 12 books on animal care and welfare.He was the RSPCA's chief veterinary advisor between 2007 and 2010, causing some controversy in August 2008 after branding show dogs and dog shows as a "parade of mutants", resulting in the RSPCA withdrawing its support that year to the annual Crufts dog show.Evan's television career started in 1990 when he complained about an item on TV-am that made fun of fat pets, and was invited as a guest on the show giving advice to the owner of an obese cat.