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Author Title Year Publication Serial Volume Pages
Berger, A.; Scheibe, K.-M.; Eichhorn, K.; Scheibe, A.; Streich, J. Diurnal and ultradian rhythms of behaviour in a mare group of Przewalski horse (Equus ferus przewalskii), measured through one year under semi-reserve conditions 1999 Applied Animal Behaviour Science 2236 64 1-17
Bottoms, G.D.; Roesel, O.F.; Rausch, F.D.; Akins, E.L. Circadian variation in plasma cortisol and corticosterone in pigs and mares 1972 American Journal of Veterinary Research 4074 33 785-790
Collery, L. Observations of equine animals under farm and feral conditions 1974 Equine veterinary journal 680 6 170-173
Gill, J. A new method for continuous recording of motor activity in horses 1991 Comparative Biochemistry and Physiology. A, Comparative Physiology 1950 99 333-341
Keay, J.M.; Singh, J.; Gaunt, M.C.; Kaur, T. Fecal glucocorticoids and their metabolites as indicators of stress in various mammalian species: a literature review 2006 Journal of zoo and wildlife medicine : official publication of the American Association of Zoo Veterinarians 616 37 234-244
Kirkpatrick, J.F.; Vail, R.; Devous, S.; Schwend, S.; Baker, C.B.; Wiesner, L. Diurnal variation of plasma testosterone in wild stallions 1976 Biology of reproduction 149 15 98-101
Krzak, W.E.; Gonyou, H.W.; Lawrence, L.M. Wood chewing by stabled horses: diurnal pattern and effects of exercise 1991 Journal of Animal Science 1949 69 1053-1058
Nelson, G.S. Onchocerciasis 1970 Advances in Parasitology 2738 8 173-224
Oliveira-Santos, L.G.R.; Machado-Filho, L.C.P.; Tortato, M.A.; Brusius, L. Influence of extrinsic variables on activity and habitat selection of lowland tapirs (Tapirus terrestris) in the coastal sand plain shrub, southern Brazil 2010 Mammalian Biology – Zeitschrift für Säugetierkunde 6140 75 219-226
Petruso, E.J.; Fuchs, T.; Bingman, V.P. Time-space learning in homing pigeons (Columba livia): orientation to an artificial light source 2007 Animal Cognition 2432 10 181-188