Section 2. The director may make and enforce reasonable orders, rules and regulations relative to the following: the sanitary condition of neat cattle, other ruminants and swine and of places where such animals are kept; the prevention, suppression and extirpation of contagious diseases of domestic animals; the establishing of disease-free herds of cattle and the issuing of certificates in connection therewith; the inspection, examination, quarantine, care and treatment or destruction of domestic animals affected with or which have been exposed to contagious disease, the burial or other disposal of their carcasses, and the cleansing and disinfection of places where contagion exists or has existed. No rules or regulations shall take effect until approved by the governor and council.