1. Agricultural and Food Research Council, 1992. Nutrient Requirements of Ruminant Animals: Protein. Technical Committee on Responses to Nutrients, Report No. 10, Nutrition Abstracts and Reviews, Series B, 62 (2) 787–835.
2. Agricultural and Food Research Council, 1993. Energy and Protein Requirements of Ruminants, Technical Committee on Responses to Nutrients, CAB International, Wallingford, UK.
3. Agricultural Research Council, 1976. The Nutrient Requirements of Farm Livestock, No 4: Composition of British Feedingstuffs, Technical Review and Tables, Agriculture Research Council, London.
4. Feeding value of apple pomace silage for sheep;Alibes;Anim. Feed Sci. Technol.,1984
5. Effect of ensiling on chemical composition and rumen degradability of apple pomace;Anrique;Arch. Med. Vet.,2002