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Nowadays The storage of pig slurry has been an unsolved problem for a long time in Hungary, therefore the appropriate processing technology is a very important question in order we can produce from the pig fattening and slaughtering by-products the best possible quality of final product. The determined goals of the product development can be achieved in two ways. The first possible method for it preserving the nutrients in the slurry and the another way adding fertilizers or other valuable materials, that improve ...