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Characterization of feedstuffs of animal origin: a contribution to quality assessment


, : Characterization of feedstuffs of animal origin: a contribution to quality assessment. Landbauforschung Volkenrode, Sonderheft ( 223): 88-95

The suitability of different in vitro tests in the analysis of different protein-rich feedstuffs of animal origin was studied. Protein quality was ascertained by analysis of amino acids, hydroxyproline (-> connective tissue), creatine and creatinine (-> muscle content). In vitro solubility of nitrogen was tested by subsequent enzymatic treatment with pepsin and pancreatin. As markers of microbial activity and protein degradation in the products biogenic amines were determined by HPLC.

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