In the book a 17-year-old girl is transformed into a dog. which allows her to enjoy guilt-free exploits as a bitch on heat.
Mr Burgess brushed off criticism of his books, saying he was mainly attacked by Right-wing Christian groups.
He said he tackled subjects other authors neglected.
He added: 'The point about Doing It was that I felt that particular sort of male sexual culture with all its grubby jokes was something that was avoided in order to avoid offending the sensibilities of people such as Anne Fine.'