First and foremost you ought to arrange your collectionspace, which facilitate an environment that prevent unnecessary decay. If it is impossible, then place the collectionspace in the shadow. Place the animals on a firm, raised foundation, such as furrows made of concrete. Make sure that the animals are correctly covered, so that they are effectively protected aginst necrophagous animals. That way you can secure that the animals is installed in a dry and protected way. You can also secure ventilation for the animalt by making a bores in the top of your cadaver cover.