The primary object of this invention is to provide an assay vehicle for convenient evaluation of characteristics of animal excreta, without unnecessary manipulation of or {HEAD ~ trauma} to {TAIL ~ the subject animal} 
The primary object of this invention is to provide an assay vehicle for convenient evaluation of characteristics of animal excreta , without unnecessary manipulation of or { HEAD ~ trauma } to { TAIL ~ the subject animal }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL