No, I don't think so. I'd still go the marrow bone/knuckle route though, personally. In fact- I did go that route and it worked just fine.
C-ATCH Pimg - DOB: 2/06, RATN, UJJ (x2), DJ, HIT, CA, CGC, High in Games, Reserve High in Standard- CPE Nationals 2014
High Jinks vom Neuanfang - DOB 9/12 (Gotchya Day: 1/23/2013) RATS, CA, agility superstar in training