Every veterinary physician or surgeon, and every person practicing as such, and every person owning or having animals in his care within the City and County of San Francisco, shall present to the Department of Public Health of said City and County a written notice of the existence of any and every case of glanders or farcy or other contagious or infectious diseases in animals, which may have come under his observation or to his knowledge, which notice shall be given within two days thereafter, and shall contain the name and residence of the possessor of the animal so diseased so far as the same can be ascertained, a description of the animal, and where last seen by the person giving the notice and be signed by him.