If I may be permitted to explain, this is not a slur on the eating habits, character or lifestyle choices of the good citizens of Leeds. It's a history lesson.
The first recorded use of a tracking animal other than a dog in the UK was 'Slut' a pig owned and trained by A baronet from hampshire called Sir Henry Mildmay. His pal Charles Darwin said "Sluts sent was exceedingly good, and she was more useful than a dog"
OK more trivia than history. The book this fact is taken from looks a lot of fun 'The Keen Shots Miscellany' by Peter Holt
All papers sat and passed. Off back down south.