1. The horse as an athlete: a physiological overview;Hinchcliff,2008
2. Exercise-induced physiological adjustments to stressful conditions in sports horses;Art;Livest Prod Sci,2005
3. Biological response to stress: implications for animal welfare;Moberg,2010
4. A review of behavioural and physiological responses of sheep to stressors to identify potential behavioural signs of distress;Cockram;Anim Welf,2004
5. A review of approaches to assessing equine welfare;Hockenhull;Equine Vet Educ,2014