1. AAALAC International .Available from: http://www.aaalac.org/
2. National Research Council (NRC) (2011). Guide for the Care and Use of Laboratory Animals (8th edition). Washington, DC: National Academies Press
3. Federation of Animal Science Societies (FASS) (2010). Guide for the Care and Use of Agricultural Animals in Research and Teaching. Champlain, IL: FASS
4. Council of Europe (2006). Appendix A of the European Convention for the Protection of Vertebrate Animals Used for Experimental and Other Scientific Purposes (ETS No. 123). Guidelines for Accommodation and Care of Animals (Article 5 of the convention). Approved by the multilateral consultation. Cons. 123, 3.Available from: https://www.aaalac.org/about/AppA-ETS123.pdf/
5. American Veterinary Medical Association (AVMA) (2013). AVMA Guidelines for the Euthanasia of Animals.Available from: http://avma.org/KB/Policies/Documents/euthanasia.pdf