We raise Tamworth/Berkshire/Old Spot pigs in Southern Ontario Canada. We unfortunately don't have that much pasture but raise 10 pigs between April-September from weaners to 250lbs. We're planning for next year and I've been doing a lot of ready about feeding them spent grain (brewers byproduct) and whey (cheesemakers byproduct). I know the spent grain is great for fiber and protien and the whey also has nutritional benefit but what else should be in their diet? I'm thinking about 40% spend grain, 30% whey but feel like I'm missing the carb component. I'm trying to reduce our costs from purchasing pellet from the feed mill.
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