Simon Bough, 51, of Upper Sea Road, Bexhill, admitted being the owner of a dog which was dangerous and not kept under proper control.
The offence took place at Bexhill on July 7 last year.
Hastings Magistrates Court court ordered that the dog, a Collie cross Husky called Teddy, be kept under proper control by being securely fitted with a muzzle sufficient to prevent it biting any person and to be kept on a secure lead at all times.
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