Abstract: A fleece retention coat (1) for harvesting a fleece of an animal which has been shed by the animal after administering a biological agent to the animal, the coat comprising: a coat body (3) capable of enclosing a substantial portion of the fleece of the animal, and fleece retention means provided on an inner surface of the coat body, the fleece retention means comprising strips of anchoring projections (60) arranged spaced apart to line the interior of the coat. In use, the fleece anchoring projections (60) hold the fleece in situ such that the fleece may be removed from the animal in substantially one piece when the coat is removed from the animal and the fleece is then removable from the coat so that the coat may be resused.