My lurcher bitch has stop retrieving rabbits , not just retrieving she as gone to the extreme she will catch a rabbit and run off with it crunching the rabbit and trying to eat it , she won't come near me with the rabbit , never had this problem with lurchers before or with this bitch , all of a sudden towards the end of last season she started it , has anyone had this problem ? , the bitch will be no good in the field next season if this problem persists , any info would be great help ?