Thus, you are putting $250 worth of food into something that produces $210 worth of produce. If you sell the manure and slurry at the biogas plant and sell the milk for about $500 (hard economy) you get about $210 per day. On the other hand, a cow (roughly) produces 190 manure, 125 slurry, and 125 milk per day. ![]() ![]() Though they make milk and reproduce it does not nearly make up for the potential lost revenue from a bio gas plant.īy my calculations, each cow (roughly) consumes 500 TMR, 100 water and 100 straw.Īssuming that the TMR was entirely made of hay and silage and that straw is worthless, on hard economy, that would be about $250 revenue if all the hay was turned into silage and sold at a biogas plant ($500/ 1000 l). Cows do not produce nearly as much manure and slurry as they eat.
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