I'll agree with the other's. I might add that even though I agree with the other's, you may not want to go that route. In that case, when she's comimg to you, don't back up but rather when she puts it down, don't pick it up, kick it away and don't take it until she gives it to you. Also start with a frozen bird that you've let thaw for a half hour or so first. But for what you want, FF is the way to ensure it will happen.
Got one more thing to add. If your going to do the master hunter, I'd skip the senior hunter. You do the senior and your going to be putting her in a senario she may well remember to well. By waiting till she is completely broke, you skip the test where your not only going to allow her to break before being sent, but your going to encourage it. Then you'll move on the master and all of a sudden what was alright yesterday is not alright today.