Giving samples with her kibble is fine.... 
Actually Primal's website has a section on "transition" and they recommend starting with as little as 1/4 raw to 3/4 of your pet's current food.   
I also emailed Primal and they said it was fine.  If you have any questions you can always email or call the company or most of them have a Facebook Page.  I have contacted Primal and NV with questions and they are both pretty quick to respond.    
When I feed Riley raw a.m. and p.m. I am usually giving him the Acana Kibble as treats throughout the day.     |