they trained the animals just like you would train a dog. if the animal lies down they trainers give the animal a treat if they dont they simply try again. i hope that helps!
According to the Wikipedia article on the : "In the revived series, http://wiki.answers.com/wiki/Lynda_Bellingham took over the role of Helen (following Carol Drinkwater's decision not to continue in...
The Irish wolfhound's name was Clancy,And he's owner was the Deaf Joe Mulligan from the book All things bright and beautiful. I know he was also on the tv series.