Hi all, I have been sous-vide cooking for a few months now with great results but I now have a question for the learned chefs. I have been given a piece of venison that came from a large, older animal. This animal was a sambar deer and the meat is renowned as being very difficult to cook. I got approximately 6Kg of the backstrap,which I have portiuoned into pieces of aabout 750g. These were seasoned with salt, pepper and dried gbarlic and packed with a glug of extra virgin olive oil. They hhave had 72 hours at 54C (130F) and are still quite tough. The flavour is excellent, is rare and extremely moist but very cchewy. I have put the remaining pieces back for a longer soak but would love comments and thoughts on how long to leave it in for. My equipment is basic - a 5L deep fryer with a TET612 PID controller. I vacuum packed the meat quite hard - I have a Chinese chamber sealer that will just boil room temperature water after 60 seconds. I am tempted to leave it in for another 48 hours but do not want to ruin it. Thanks in advance Simon