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Frei, Daniela; Würbel, Hanno; Wechsler, Beat; Gygax, Lorenz; Burla, Joan-Bryce; Weber, Roland (2018). Can body nosing in artificially reared piglets be reduced by sucking and massaging dummies? Applied animal behaviour science, 202, pp. 20-27. Elsevier 10.1016/j.applanim.2018.02.001
