Blue Cross website:
What happens if my dog chases deer?
As an owner, it’s your responsibility to prevent your dog from attacking and chasing, or being out of control off lead in a field containing livestock or deer.
If your dog attacks a deer in England or Wales you can be prosecuted under the Dogs Act 1871 or the Dangerous Dogs Act 1991. Owners of dogs that worry or attack farmed deer in Scotland could be prosecuted under the Dogs (Protection of Livestock) (Amendment) (Scotland) Act 2021.
How can he not know this??
What happens if my dog chases deer?
As an owner, it’s your responsibility to prevent your dog from attacking and chasing, or being out of control off lead in a field containing livestock or deer.
If your dog attacks a deer in England or Wales you can be prosecuted under the Dogs Act 1871 or the Dangerous Dogs Act 1991. Owners of dogs that worry or attack farmed deer in Scotland could be prosecuted under the Dogs (Protection of Livestock) (Amendment) (Scotland) Act 2021.
How can he not know this??