Right oh then.. They get very little nutritional value from fur & feather but they eat it. Every time I've ever put a whole prey item in with my ferrets they've eaten the fecking lot, guts, beaks, fur, feather, the fecking lot.
Hold on, one minute you are arguing guts contain all the trace elements a ferret needs, if not chuck in a handful of peas, now you're arguing your ferrets eat whole prey? My ferrets and my hybrids eat whole prey too. What is your point?
there crosses not hybrids ?