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Autor:
M L, Happich, C E, Bodwell, L R, Hackler, J G, Phillips, P H, Derse, J G, Elliott, D T, Hopkins, G F, Parsons, E E, Prescher, E S, Robaidek
Publikováno v:
Journal - Association of Official Analytical Chemists. 67(3)
Apparent nitrogen digestibility data were obtained from 4 laboratories for 6 protein sources and 2 diet levels, 6 and 10% protein, after a 2-day adaptation period during the AACC-ASTM protein efficiency ratio (PER) and net protein ratio (NPR) collabo