>>2755889If you are skillful and successful in your hunting and trapping, you will end up with more meat than you need to feed yourself and the camp. In the wild, you may not have a freezer or butcher or salt or means to store it long term, especially if you are on the move. That is the practical use of pemmican.
You can dry meat on a campfire in this case, pemmican makes the meat last longer and is tasty, was beloved by many frontiersmen and explorers. These are all survival foods, it is best to pack dry foods if you pack any, even spices. Water adds weight to your pack, some sort of canteen for clean drinking water and means of purification is ideal.
Being able to survive in the wilderness means being able to source enough food to live, cooked meats are a highly efficient source of food. Fishing and hunting are basic survival skills, fish and game trapping is more difficult, especially using only the materials around you. If you are equipped with good survival skills, you can walk into the woods and source what you need to live, with or without a rifle or even things like flint and a tent.