1. American Association of Equine Practitioners (AAEP)(2010).Ethical and professional guidelines.https://aaep.org/guidelines/aaep-ethical-and-professional-guidelines(accessed 20 June 2021).
2. American Society for the Prevention of Cruelty to Animals (ASPCA)(n.d.).Policies and positions: Carriage horses.https://www.aspca.org/about-us/aspca-policy-and-position-statements/carriage-horses(accessed 19 June 2021).
3. American Society for the Prevention of Cruelty to Animals (ASPCA)(2021).Animal welfare groups commend federal lawmakers for reintroducing bill to ban horse slaughter.https://www.prnewswire.com/news-releases/animal-welfare-groups-commend-federal-lawmakers-for-reintroducing-bill-to-ban-horse-slaughter-301295437.html(accessed 19 June 2021).
4. American Veterinary Medical Association (AVMA)(n.d.).Principles of veterinary medical ethics of the AVMA.https://www.avma.org/resources-tools/avma-policies/principles-veterinary-medical-ethics-avma(accessed 19 June 2021).
5. Understanding the ethical implications of the rituals of medicine;Arnold M.H.;Ethics in Medicine,2020