1. Agnew, R.E. and Yan, T., 2007. Impact of recent research on energy feeding systems for dairy cattle. Review Article, Livestock Production Science, 66, 197–215.
2. Agricultural and Food Research Council (AFRC), 1990. Technical Committee on Responses to Nutrients, Report Number 5, Nutritive Requirements of Ruminant Animals: Energy, Nutrition Abstracts and Reviews, series B: Livestock Feeds and Feeding, 60, 729–804.
3. Agricultural and Food Research Council (AFRC), 1993. Energy and Protein Requirements of Ruminants, An advisory manual prepared by the AFRC Technical Committee on Responses to Nutrients, (CAB international, Wallingford, UK).
4. Aguilar-Pérez, C., Ku-Vera, J. and Garnsworthy, P.C., 2009a. Effects of bypass fat on energy balance, milk production and reproduction in grazing crossbred cows in the tropics, Livestock Science, 121, 64–71.
5. Aguilar-Pérez, C., Ku-Vera, J., Centurión-Castro, F. and Garnsworthy, P.C., 2009b. Energy balance, milk production and reproduction in grazing crossbred cows in the tropics with or without cereal supplementation, Livestock Science, 122, 227–233.