Logically, if you are used to ferreting 30's/40's then it will eventually take it's toll on the population, you cannot keep taking without it having consequences on numbers in later years.
The farm i live on, never had big numbers when i moved here, i think the most i would get in one night would be 6, then over about 2-3yrs i just kept at them, taking 1 or 2 a week if i was lucky. Now there is not one single rabbit here. Nothing to do with RHD or mixy, just slowly wiped them out. And boy do i regret it now!
People need to hunt in moderation (If it is not actual pest control) instead of goin