Even if a estate is putting down large numbers of game birds for sport. i do not belive this should ever come first over the management of pests and habbitat managment for native speises. a good pest control plan in "season" or not will show large beifits to the next seasons sport as will a good habbit managment plan as the number of wild birds and birds left from the last seasons stock will be higher, and will have a better chance to breed young there for resulting in a higher number of adult birds on the ground the following season, there four resulting in more enviromentaly shoot with a lar