Media type: E-Article Title: Is the grass half-full? Investigating optimism as a welfare indicator for dairy cows with and without pasture-access Contributor: Crump, Andrew; Jenkins, Kirsty; Bethell, Emily J.; Ferris, Conrad P.; Kabboush, Helen; O’Connell, Niamh E.; Weller, Jennifer; Arnott, Gareth imprint: Springer Science and Business Media LLC, 2019 Published in: Pharmacological Reports Language: English DOI: 10.1016/j.pharep.2019.09.003 ISSN: 1734-1140 Keywords: Pharmacology ; General Medicine Origination: Footnote: