1. Animalia, 2022, Årsstatistikk Sauekontrollen (In Norwegian). 〈https://www.animalia.no/globalassets/sauekontrollen---dokumenter/statistikk-arsmelding-2022.pdf〉 Accessed 25.03.2023.
2. Effects of breed and age on the performance of crossbred hill ewes sourced from Scottish Blackface dams;Annett;Animal,2011
3. The effect of silage energy concentration and price on finishing decision for young dairy bulls;Bonesmo;Grass Forage Sci.,2010
4. Effect of breed and pasture type on methane emissions from weaned lambs offered fresh forage;Fraser;J. Anim. Sci.,2015
5. Tackling Climate Change Through Livestock- A Global Assessment of Emissions and Mitigation Opportunities;Gerber,2013