Duncan, P., & Vigne, N. (1979). The effect of group size in horses on the rate of attacks by blood-sucking flies. Anim. Behav., 27(Part 2), 623–625.
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Clutton-Brock, T. H., Albon, S. D., Gibson, R. M., & Guinness, F. E. (1979). The logical stag: Adaptive aspects of fighting in red deer (Cervus elaphus L.). Anim. Behav., 27(Part 1), 211–225.
Abstract: For red deer stags, fighting both has appreciable costs and yields considerable benefits. Up to 6% of rutting stags are permanently injured each year, while fighting success and reproductive success are closely related, within age groups as well as across them. Fighting behaviour is sensitive to changes in the potential benefits of fighting: stags fight most frequently and most intensely where potential benefits are high and tend to avoid fighting with individuals they are unlikely to beat. The relevance of these findings to theoretical models of fighting behaviour is discussed.
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Roberts, J., Kacelnik, A., & Hunter, M. L. (1979). A model of sound interference in relation to acoustic communication. Anim. Behav., 27(Part 4), 1271–1273.
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Kacelnik, A. (1979). The foraging efficiency of great tits (Parus major L.) in relation to light intensity. Anim. Behav., 27(Part 1), 237–241.
Abstract: I report an experiment aimed at testing whether foraging efficiency of great tits is limited by light intensity at the time of the dawn chorus. Captive great tits hunting for prey under different luminance conditions were less successful in finding prey when foraging, hunted for a lower proportion of their time, and handled individual prey items for longer when luminance was under approximately 7 cd/m2. This luminance is not reached in the field until after the time of the dawn chorus, suggesting that in the early morning foraging is limited by light intensity. I suggest that a satisfactory functional explanation of the dawn chorus must take into account the comparatively low foraging opportunity early in the morning, as well as the factors affecting the opportunity for singing and other territorial activities.
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Powell, R. A. (1979). The dog: Its domestication and behavior : By . New York: Garland STPM Press (1978). 296 pp. $24.50. Anim. Behav., 27(Part 1), 318–1211.
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[No authors listed]. (1979). International Conference on Environmental Cadmium: an overview. In Environmental Health Perspectives (Vol. 28, pp. 297–30).
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Salter, R. E., & Hudson, R. J. (1979). Feeding ecology of feral horses in western Alberta. J. Range. Mgmt., 32, 221–225.
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Fiske, J. C. (1979). Behavior and learning in horses Applications in management and training. Southwestern Veterinarian, 32, 37–44.
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Ribeiro, H. S., Larangeira, N. L., & Paiva, F. (1979). [Prevalence of Dictyocaulus arnfieldi (Cobbald, 1884) Railiet & Henry 1907, in Pantaneira breed horses of the region of Pocone, MT]. Arq Inst Biol (Sao Paulo), 46(3-4), 107–110.
Abstract: The authors sacrificed fifty-five horses originated from the “Pantanal”, lowlands in the State of Mato Grosso in two different periods, droughty period and flooded and they described for the first time the Dictyocaulus arnfieldi in Mato Grosso. Relationship between droughty and flooded periods proved not to occur.
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OTT EA et al,. (1979). Acceptability of dried citrus pulp by horses. J Animal Sci, 49, 983–987.
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