all I know is that if you process any game including venison you have to be a trained hunter and either have to be an AGHE or approved by your local council. If you are an AGHE you can deal any quanity to anywhere but you are controlled and inspected by DEFRA. You can also buy in. If you are under the council you can sell 10000 units a year within a 30 mile radius of your business address and 20% only can go to trade this includes resturants, the rest ,80%, has to be to customers for their use only. You can only sell your game or game that you were involved in the taking of. When you ask what is a unit, for instance one deer may produce, 30 steaks " are these all units" you get some funny looks so then they start to talk about waight. All this is on the Govenment web site. When the council inspect , which they do, You have to show them your facilities which have to be sanitry and and have wipeable surfaces of some sort. You have a check list , and so do they and they ask you to keep a diary. Anyone working with the meat must be trained and breifed on working systems to avoid contamination. It sounds a lot but they are very helpful. However you have to go with what your inspector tells you because the rules are so open that it is very difficult to pin them down to yes and no answers. For instance we have to use offel bins and they dont want us to bury anything.
Once your registered it is quite straight forward. We now process all our game taken on the shoot and it is well worth the effort.
Mark