Sibbald, 1977. Poult. Sci., 56 (5): 1652-1656 Document reference Sibbald, I. R., 1977. The true metabolizable energy values for poultry of rapeseed and of the meal and oil derived therefrom. Poult. Sci., 56 (5): 1652-1656Web http://dx.doi.org/10.3382/ps.0561652Citation key Sibbald, 1977Datasheets RapeseedsRapeseed meal