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W oborze dla 55 krów mlecznych z wentylacją mechaniczną wykonano pomiary stężeń amoniaku i gazów cieplarnianych. Na tej podstawie obliczono współczynniki emisji gazów od jednej krowy w ciągu roku: amoniaku 2,115 kg/stan., dwutlenku węgla 3726 kg/stan., podtlenku azotu 1,272 kg/stan., metanu 99,12 kg/stan., pary wodnej 18052 kg/stan. Uzyskany współczynnik emisji amoniaku jest mniejszy od wartości ogólnie...
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