1. Jonckheer-Sheehy, V.S.M. The care and use of horses and ponies as research animals. Thesis. (Ghent University, Ghent, Belgium, 2006).
2. Report from the Commission to the Council and the European Parliament. Seventh report on the statistics on the number of animals used for experimental and other scientific purposes in the member states of the European Union. (5 December 2013).
3. USDA Animal and Plant Inspection Service. USDA Animal Care Search Tool (2013).
http://www.aphis.usda.gov/wps/portal/aphis/ourfocus/animalwelfare
.
4. Abbott, M.E. The horse. in The UFAW Handbook on the Care and Management of Laboratory and Other Research Animals (ed. Poole, T.) (Wiley-Blackwell, Hoboken, NJ, 1999).
5. Zeeb, K. & Schnitzer, U. Housing and training of horses according to their species-specific behaviour. Livest. Prod. Sci. 49, 181–189 (1997).