[1] Bach, A. (2006) New Concepts in Protein Nutrition of Ruminants. Institució Catalana de Recerca i Estudis Avancats (ICREA) and Institut de Recerca I Tecnologia Agroalimentàries, IRTA-Unitat de Remugants, Barcelona.
[2] Stern, M.D. (2006) New Concepts in Protein Nutrition of Ruminants. Department of Animal Science, University of Minnesota, St. Paul.
[3] United States Environmental Protection Agency (EPA) (2014).
http://www.epa.gov/climatechange/ghgemission
[4] Chanjula, P., Wanapat, M., Wachirapakora, C., Uriyapongson, S. and Rowlinson, P. (2003) Ruminal Degradability of Tropical Feeds and Their Potential Use in Ruminant Diets. Asian-Australasian Journal of Animal Sciences, 16, 211-216.
https://doi.org/10.5713/ajas.2003.211
[5] Chen, C.-S., Wang, S.-M. and Hsu, J.-T. (2006) Factors Affecting In Vitro True Digestibility of Napier Grass. Asian-Australasian Journal of Animal Sciences, 19, 507-513.
https://doi.org/10.5713/ajas.2006.507
[6] Madigan, M.T. and Martinko, J.M. (2006) Biology of Microorganisms. 11th Edition, Pearson Prentice Hall, Upper Saddle River, 163-637.
[7] Moran, J. (2005) How the Rumen Works. In: Moran, J., Ed., Tropical Dairy Farming: Feeding Management for Small Holder Dairy Farmers in the Humid Tropics, Landlinks Press, Melbourne, 41-50.
https://doi.org/10.1071/9780643093133
[8] Fina, L.R., Teresa, G.W. and Bartley, E.E. (1958) An Artificial Rumen Technique for Studying Rumen Digestion In Vivo. Journal of Animal Science, 17, 667.
https://doi.org/10.2527/jas1958.173667x
[9] Quin, J.I., Van Der Wath, J.G. and Hyburth, S. (1938) Studies on the Alimentary Canal of Merino Sheep in South Africa. 4. Description of Experimental Technique. Onderstepoort Journal of Veterinary Science and Animal Industry, 11, 341.
[10] Orskov, E.R., Hovell, F.D. and Mould, F. (1980) The Use of the Nylon Bag Technique for the Evaluation of Feedstuffs. Tropical Animal Production, 5, 195-213.
[11] Chen, X. and Orskov, E. (2004) Research on Urinary Excretion of Purine Derivatives in Ruminants: Past, Present and Future. In: Makkar, H.P.S. and Chen, X.B., Eds., Estimation of Microbial Protein Supply in Ruminants Using Urinary Purine Derivative, Springer, Berlin, 180-210.
https://doi.org/10.1007/978-1-4020-2844-1_21
[12] Orskov, E.R. and McDonald, I. (1979) The Estimation of Protein Degradability in the Rumen from Incubation Measurements Weighed According to Rate of Passage. The Journal of Agricultural Science, 92, 499.
https://doi.org/10.1017/S0021859600063048
[13] Van Dyne, G.M. (1962) Micro-Methods for Nutritive Evaluation of Range Forages. Journal of Range Management, 14, 303-314.
https://doi.org/10.2307/3894761
[14] Association of Analytical Chemist (AOAC) (1995) Official Methods of Analysis of AOAC International. 16th Edition, Association of Official Analytical Chemists, Arlington.
[15] Van Soest, P.J. and Wine, R.H. (1967) Use of Detergents in the Analysis of Fibrous Feeds, IV. Determination of Plant Cell-Wall Constituents. Journal of Association of Official Analytical Chemists, 50, 50-55.
https://doi.org/10.1093/jaoac/50.1.50
[16] Dong, Y., Bae, H.D., Mcallister, T.A., Mathison, G.W. and Cheng, K.-J. (1997) Lipid-Induced Depression of Methane Production and Digestibility in the Artificial Rumen System (RUSITEC). Canadian Journal of Animal Science, 77, 269-278.
https://doi.org/10.4141/A96-078
[17] Mathison, G.W., Okine, E.K., Mcallister, T.A., Dong, Y., Galbraith, J. and Dmytruk, O.I.N. (1998) Reducing Methane Emissions from Ruminant Animals. Journal of Applied Animal Research, 14, 1-28.
https://doi.org/10.1080/09712119.1998.9706212
[18] Machmüller, A. and Kreuzer, M. (1999) Methane Suppression by Coconut Oil and Associated Effects on Nutrient and Energy Balance in Sheep. Canadian Journal of Animal Science, 79, 65-72.
https://doi.org/10.4141/A98-079
[19] Henry, M. (2013) Why Lard Is Healthier than You Think.
https://www.thestar.com/life/health_
wellness/nutrition/2013/05/14/why_lards_
healthier_than_you_think.html
[20] Dawson, R.M. (1953) Use Lard. North Dakota Agricultural College and U.S. Department of Agriculture Cooperating.