Be patient mate good things will come no harm in waiting till next season starts for some green rabbits just think of the worst that can happen with terrier blood in there An being a young dog....yapping,hunting up after a run,loss of recall,no retrieve, damage to the young dog .better to wait it out till the dog levels out being a bigger type dog an matures fully......I know your pain An keenness as I’ve the same thing but will not give in to temptation till the crops are down the minute there down it’s a green light to get on