1
McDonald P. Animal nutrition. 7th ed. Harlow: : Prentice Hall/Pearson 2011.
2
Alderman G, Cottrill BR, Agricultural and Food Research Council. Energy and protein requirements of ruminants: an advisory manual prepared by the AFRC Technical Committee on Responses to Nutrients. Wallingford: : CAB International 1993.
3
Ørskov ER, Ryle M. Energy nutrition in ruminants. London: : Elsevier 1990.
4
Ørskov ER. Protein nutrition in ruminants. Second edition. London: : Academic Press 1992.
5
Ørskov ER. The feeding of ruminants: principles and practice. 2nd ed. Welton: : Chalcombe Publications 1998.
6
Agricultural Research Council. The nutrient requirements of ruminant livestock: technical review by an Agricultural Research Council working party. Slough: : Published on behalf of the Agricultural Research Council by Commonwealth Agricultural Bureaux 1980.
7
National Research Council (U.S.). Nutrient requirements of dairy cattle. 7th rev. ed. Washington, D.C.: : National Academy Press 2001. https://www.nap.edu/read/9825/chapter/1
8
Joshi NP, Herdt TH, International Conference on Production Disease in Farm Animals. Production diseases in farm animals: 12th international conference. Wageningen: : Wageningen Academic Publishers 2006.
9
Underwood EJ, Suttle NF. The mineral nutrition of livestock. 3rd ed. Wallingford, Oxon: : CABI Pub 1999.
10
The RUMNUT Computer Package, version 5.2 manual. http://www.chalcombe.co.uk/rumnut.htm
11
Frape D. Equine nutrition and feeding. 4th ed. Chichester, West Sussex, U.K.: : Wiley-Blackwell 2010.
12
Geor RJ, Harris PA, Coenen M, editors. Equine applied and clinical nutrition: health, welfare and performance. Edinburgh: : Saunders Elsevier 2013. https://ezproxy.lib.gla.ac.uk/login?url=https://www.sciencedirect.com/science/book/9780702034220
13
Fraser AF, Broom DM. Farm animal behaviour and welfare. 3rd ed. London: : Baillière Tindall 1990.
14
Poole TB, Robinson R, Universities Federation for Animal Welfare. The UFAW handbook on the care and management of laboratory animals. 6th ed. Harlow: : Longman Scientific & Technical 1987.
15
Agar S. Small animal nutrition. Oxford: : Butterworth-Heinemann 2001.
16
Hand MS, Lewis LD. Small animal clinical nutrition. 4th ed. Topeka, Kan: : Mark Morris Institute 2000.
17
Case LP, ScienceDirect (Online service). Canine and feline nutrition: a resource for companion animal professionals. 3rd ed. Maryland Heights, Mo: : Mosby 2011. https://ezproxy.lib.gla.ac.uk/login?url=https://www.sciencedirect.com/science/book/9780323066198
18
McNamara JP. Principles of companion animal nutrition. Upper Saddle River, N.J.: : Pearson/Prentice Hall 2006.
19
Our resources | NC3Rs. http://www.nc3rs.org.uk/our-resources
20
Suttle NF. Mineral nutrition of livestock. 4th ed. Wallingford, Oxfordshire, UK: : CABI 2010.