Sec. 3-3-1. Definitions.

Vicious dog as used in the article shall mean:
(a) Any dog which because of its size, training, behavior, physical nature, or vicious propensity is capable of inflicting serious physical harm or death to human beings and which would constitute a danger to human life or property if it were not kept in the manner required by this article;
(b) Any dog which has previously attacked or bitten a human being, to the extent that medical treatment was required; unless such attack has been deemed to be excusable by the Chief of the County Animal Control Division, pursuant to Section 6-1.1003.1 Yolo County Code;
(c) Any dog which has behaved in such a manner that the owner or keeper thereof knows or should reasonably know that the dog is possessed of tendencies to attack or to bite human beings;
(d) Any dog which has been trained as an attack dog, or for protection, except such dogs which are employed by any law enforcement agency. (Ord. No. 1109, (part); Ord. No. 1289, § 2.)