my bitch as just died but id walk her past sheep and other stock and if she showed intrest id pull her back shout no sheep or whatever stock it was it was esey with large stock like horses as she was a bit skaired of them i wood allso take her the park on suny days when its packed with other dog and allsorts going on and tell her to sit and stay i think if i did the above she wood just go for the sheep but she never looked at sheep or pulled like she did when she saw a rabbit or a cat