| 1 | FAO. 2016. Development of integrated multipurpose animal recording systems. FAO Animal Production and Health Guidelines. No. 19. Rome |
| 2 | ICAR, 2018.The International Committee for Animal Recording, Section 16 - Dairy Sheep and Goats. https://www.icar.org/Guidelines/16-Dairy-Sheep-and-Goats.pdf. |
| 3 | ICAR, 2018.The International Committee for Animal Recording, Section 10 - Identification Device Certification. https://www.icar.org/Guidelines/10-Overview-Identification-Device-Certification.pdf |
| 4 | ICAR, 2018.The International Committee for Animal Recording, section 11.https://www.icar.org/Guidelines/14-Alpaca-and-Goat-Identifcation-and-Fibre.pdf |