of plant origin, long term (ie,a FEW MONTHS) or you'll sicken and die. 1/2 a lb of flesh food a day is PLENTY, and it's a LOT easier, safer, when hostiles are around, to make most of that dog, cat, small game, and fish, then big animals. so you are looking at 1/4 of large animal jerky a day. about 50%of an animal is meat. So, even a SMALL deer's 30 lbs of meat takes care of a family of 4 for a MONTH or more.