Oregon Revised Statutes Animals § 601.090

(1) All buildings on such premises shall be constructed as to allow them to be kept in a sanitary condition and shall be provided with properly drained concrete or cement floors. Such buildings shall be fly-tight and so constructed as to exclude rats, other rodents and vermin.

(2) Such place shall be so situated, arranged and constructed as not to interfere with the comfortable enjoyment of life and property by any of the residents of this state.

(3) In case such dead bodies, carcasses or parts of animals are to be disposed of by rendering, the cooking vats or tanks shall be airtight except for proper escapes or vents for steam used in rendering or cooking. Such escaping steam shall be released through traps, or other means, in such manner as not to cause unnecessary annoyance or create a nuisance in its disposal.

(4) All storing, skinning and dismembering of dead bodies, carcasses or parts of animals shall be done within a building on the premises in such a manner that no public annoyance or nuisance shall be caused by the unsightly appearance or stench of such bodies, carcasses or parts of animals.

(5) In no case shall the process of skinning, butchering or dismembering of animals or parts of animals be commenced except at the place where the process of rendering, burning or burying is to be completed.

(6) In case dead bodies, carcasses or parts of animals are disposed of by burning, the place where such burning is done shall be so located, constructed and arranged as not to essentially interfere with the comfortable enjoyment of life and property by residents of this state. All parts of such bodies, carcasses or parts of animals not entirely consumed by such burning shall be disposed of by burying, as provided by this section, or in any such manner as may be directed by the State Department of Agriculture.

(7) In case dead bodies, carcasses or parts of animals are disposed of by burying, they shall be buried to such a depth that no part of any such body, carcass or part of an animal shall be nearer than four feet to the natural surface of the ground and every part of such body, carcass or part of an animal shall be covered with quicklime and by at least four feet of earth.