who talked about "backing up sheep into your Wellies". That's Wellington boots, if you need help.
I would say it was a British thing, but I recall Tom Lehrer's commentary before doing a song about someone "His educational career began interestingly enough in agricultural school, where he majored in animal husbandry, until they caught him at it one day.".
Thanks to Giovanni a [link|http://wiw.org/~drz/tom.lehrer/evening.html|link]. Look at text for In Old Mexico.