1. A new approach to the quantitative collection of excreta from birds in a true metabolizable energy bioassay;Almeida;Poultry Sci.,1984
2. Blakely, R. M., 1963. Note on an apparatus for the collection of turkey feces. Can. J. Anim. Sci. 386–388.
3. Freeze drying versus oven drying of excreta in true metabolizable energy, nitrogen corrected true metabolizable energy and true amino acid availability bioassays;Dale;Poultry Sci.,1985
4. Gowe, R. S., and R. W. Fairfull, 1980. Performance of six long-term multi-trait selected leghorn strains and three control strains, and a strain cross evaluation of the selected strains. Pages 141–162 in: Proc. South Pacific Poult. Sci. Conv., World’s Poultry Science New Zealand Branch, Auckland, NZ.
5. Pages 60–61, 179 in: Biometrika Tables for Statisticians. Vol. 1;Pearson,1954