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Author (up) Title Year Publication Serial Volume Pages
Dougherty, D.M.; Lewis, P. Stimulus generalization, discrimination learning, and peak shift in horses 1991 Journal of the experimental analysis of behavior 1764 56 97-104
Dugatkin, L.; Alfieri, M. Tit-For-Tat in guppies (Poecilia reticulata): the relative nature of cooperation and defection during predator inspection 1991 Evolutionary Ecology 2177 5 300-309
Dugatkin, L.A. Dynamics of the TIT FOR TAT strategy during predator inspection in the guppy (Poecilia reticulata) 1991 Behavioral Ecology and Sociobiology 2178 29 127-132
Dugatkin, L.A.; Alfieri, M. Guppies and the TIT FOR TAT strategy: preference based on past interaction 1991 Behavioral Ecology and Sociobiology 3397 28 243-246
Duncan, I.J.; Petherick, J.C. The implications of cognitive processes for animal welfare 1991 Journal of Animal Science 2753 69 5017-5022
Garott, R.A. Sex Ratios and Differential Survival of Feral Hors 1991 Journal of Animal Ecology 2294 60 929-936
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
Houpt, K.A. Investigating equine ingestive, maternal, and sexual behavior in the field and in the laboratory 1991 Journal of Animal Science 667 69 4161-4166
Houpt, K.A. Animal behavior and animal welfare 1991 Journal of the American Veterinary Medical Association 40 198 1355-1360
Houpt, K.A.; Northrup, N.; Wheatley, T.; Houpt, T.R. Thirst and salt appetite in horses treated with furosemide 1991 Journal of applied physiology (Bethesda, Md. : 1985) 38 71 2380-2386