Schang et al., 1982. Poult. Sci., 61: 1344-1353 Document reference Schang, M. J. ; Hamilton, R. M. G., 1982. Comparison of two direct bioassays using adult cocks and four indirect methods for estimating the metabolizable energy content of different feedingstuffs. Poult. Sci., 61: 1344-1353Web https://doi.org/10.3382/ps.0611344Citation key Schang et al., 1982