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Crowell-Davis, S. L., & Caudle, A. B. (1989). Coprophagy by foals: recognition of maternal feces. Appl. Anim. Behav. Sci., 24(3), 267–272.
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Duncan, I. J. H., & Petherick, J. C. (1989). Proceeding (Paper presented at the Winter Meeting of the Society for Veterinary Ethology, London, Great Britain, 30 November 1988)Cognition: The implications for animal welfare. Appl. Anim. Behav. Sci., 24(1), 81–1010.
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McCall, C. A. (1989). The effect of body condition of horses on discrimination learning abilities. Appl. Anim. Behav. Sci., 22(3-4), 327–334.
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Kondo, S., Sekine, J., Okubo, M., & Asahida, Y. (1989). The effect of group size and space allowance on the agonistic and spacing behavior of cattle. Appl. Anim. Behav. Sci., 24(2), 127–135.
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Smith, S. F., Appleby, M. C., & Hughes, B. O. (1990). Problem solving by domestic hens: opening doors to reach nest sites. Appl. Anim. Behav. Sci., 28(3), 287–292.
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Petherick, J. C., & Rutter, S. M. (1990). Quantifying motivation using a computer-controlled push-door. Appl. Anim. Behav. Sci., 27(1), 159–167.
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Boyd, L. E. (1991). The behaviour of Przewalski's horses and its importance to their management. Appl. Anim. Behav. Sci., 29(1-4), 301–318.
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Penzhorn, B. L., & Novellie, P. A. (1991). Some behavioural traits of Cape mountain zebras and their implications for the management of asmall conservation area. Appl. Anim. Behav. Sci., 29(1-4), 293–299.
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Caanitz, H., O'Leary, L., Houpt, K., Petersson, K., & Hintz, H. (1991). Effect of exercise on equine behavior. Appl. Anim. Behav. Sci., 31(1-2), 1–12.
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Kabuga, J. D., Gari-Kwaku, J., & Annor, S. Y. (1991). Social status and its relationships to maintenance behaviour in a herd of N'dama and West African Shorthorn cattle. Appl. Anim. Behav. Sci., 31(3-4), 169–181.
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