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Kappeli, S.; Frohlich, E.; Gebhardt-Henrich, S.G.; Pfulg, A.; Schaublin, H.; Zweifel, R.; Wiedmer, H.; Stoffel, Michael Hubert (2011). Effects of dietary supplementation with synthetic vitamin D-3 and 25-hydroxycholecalciferol on blood calcium and phosphate levels and performance in laying hens. Archiv für Geflügelkunde, 75(3), pp. 179-184. Stuttgart: Ulmer
Eberli, P.; Gebhardt-Henrich, S.G.; Steiger, A. (2011). The influence of handling and exposure to a ferret on body temperature and running wheel activity of golden hamsters (Mesocricetus auratus). Applied animal behaviour science, 131(3-4), pp. 131-137. Amsterdam: Elsevier 10.1016/j.applanim.2011.02.006
Lentfer, T.L.; Gebhardt-Henrich, S.G.; Frohlich, E.K.F.; von Borell, E. (2011). Influence of nest site on the behaviour of laying hens. Applied animal behaviour science, 135(1-2), pp. 70-77. Amsterdam: Elsevier 10.1016/j.applanim.2011.08.016
