1. UK Sheep Yearbook;Agriculture and Horticulture Development Board (AHDB),2018
2. UK Cattle Yearbook;Agriculture and Horticulture Development Board (AHDB),2018
3. Parasite Control Guide;Agriculture and Horticulture Development Board (AHDB),2020
4. Livestock Population Density Maps for GB: Sheep Population Report;Animal and Plant Health Agency (APHA),2017
5. Livestock Population Density Maps for GB: Cattle Population Report;Animal and Plant Health Agency (APHA),2017