References
- Bertoni, G., Maianti, M.G., Piccioli Cappelli, F., Calamari, L., 1992. Proc. SISVET, 46:1913–1917.
- Bertoni, G., Trevisi, E., Calamari, L., Lombardelli, R., 1998. Zoot. Nutr. Anim. 24:17–29.
- Bertoni, G., Trevisi, E., Bani, P., 1994. Liv. Prod. Sci. 39:139–140.
- Grant, R.J., Albright, J.L., 2000. In Farm animal metabolism and nutrition, CABI Publishing, Oxon, UK., pp. 365–382.
- Grant, R.J., Albright, J.L., 2001. J. Dairy Sci. 84(E. Suppl):E156-E163.
- NRC, 2001. National Academic Press, Washington DC.