Sources used in this calculation method are:
AFRC. 1998. The Nutrition of Goats. CAB
International, New York, NY.
Luo, J., A. L. Goetsch, T. Sahlu, I. V.
Nsahlai, Z. B. Johnson, J. E. Moore, M. L. Galyean, F. N. Owens, and
C. L. Ferrell. 2004. Prediction of metabolizable energy requirements
for maintenance and gain of preweaning, growing, and mature goats.
Small Ruminant Research 53:231-252.
NRC. 2000. Nutrient Requirements of Beef
Cattle, 2000 Update. National Academy Press, Washington, DC.
Sahlu, T., A. L. Goetsch, J. Luo, I. V.
Nsahlai, J. E. Moore, M. L. Galyean, F. N. Owens, C. L. Ferrell, and
Z. B. Johnson. 2004. Nutrient requirements of goats: developed
equations, other considerations and future research to improve them.
Small Ruminant Research 53:191-219.