Vaarst M. Reducing the need for and use of antibiotics in animal farming. I Dalin G, red., Book of abstracts. Swedish University of Agricultural Sciences. 2013. s. 94-98

Vaarst M. Animal health and welfare in agro-ecological farming systems. I Book of conference proceedings. 2013. s. 124

Vaarst M, Anneberg I. ViD-TEMA Undervisning i dyrevelfærd - mange veje at gå. I Dyrevelfærd i Danmark 2014. 1 udg. Fødevarestyrelsen. 2014. s. 25-35

Vaarst M, Panneerselvam P, Halberg N. The role of agro-ecological and organic food production in making the World feed itself in the twenty-first century. I Pritchard B, Ortiz R, Shekar M, red., Routledge Handbook of Food and Nutrition Security. Routledge. 2016. s. 110-123

Vaarst M, Anneberg I. Farmer apprentices’ learning on animal welfare during farm practice is influenced by host farmers. I Proceedings of the 7th International Conference on the Assessment of Animal Welfare at Farm and Group Level. 2017. s. 83

Vaarst M. Rethinking and engaging with animal health in organic farming. I Vaarst M, Roderick S, red., Improving organic animal farming. S.l.: Burleigh Dodds Science Publishing. 2019. s. 59-78. (Burleigh Dodds Series in Agricultural Science; Nr. 46).

Vaarst M, Horsted K, Maurer V. Organic poultry farming: opportunities and challenges. I Vaarst M, Roderick S, red., Improving organic animal farming. S.l.: Burleigh Dodds Science Publishing. 2019. s. 307-328. (Burleigh Dodds Series in Agricultural Science; Nr. 46).

Vaarst M, Roderick S. Setting the scene: the continued drive to improve organic animal farming. I Vaarst M, Roderick S, red., Improving organic animal farming. S.l.: Burleigh Dodds Science Publishing. 2019. s. 1-12. (Burleigh Dodds Series in Agricultural Science; Nr. 46).

Vaarst M, Roderick S, Martin G, Gunnarson S, Spengler Neff A, Bieber A et al. Potentials, challenges and visions for future European organic animal farming. I Schmid O, Johnson M, Vaarst M, Früh B, red., Organic Animal Husbandry Systems - challenges, performances and potentials: Proceedings of the IAHA Video-Conference on Organic Animal Husbandry 21st and 22nd September linked to the 20th Organic World Congress of IFOAM 2021. IFOAM. 2020. s. 11-22

Vaarst M, Verwer C, Hellec F, Sørheim K, Johanssen JRE. Dam-calf contact systems as a future for organic dairy farms? Actor perceptions and experiences inform the debate. I Schmid O, Johnson M, Vaarst M, Früh B, red., Organic Animal Husbandry systems - challenges, performance and potentials: Proceedings of the IAHA Video-Conference on Organic Animal Husbandry 21st and 22nd September 2020 linked to the 20th Organic World Congress of IFOAM 2021. 2020. s. 35-38

Vaarst M. Fostering impacts through interdisciplinary science approaches with multi-stakeholder involvement. I Strandberg E, Pinotti L, Messori S, Kenny D, Lee M, Hocquette JF, Cadavez VAP, Millet S, Evans R, Veldkamp T, Pastell M, Pollott G, red., Book of Abstracts of the 72nd Annual Meeting of the European Federation of Animal Science. Wageningen Academic Publishers. 2021. s. 316-316. (EAAP Book of Abstracts, Bind 27). doi: 10.3920/978-90-8686-918-3