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Turner Jw, K. J. (1986). Hormones and reproduction in feral horses. J Equine Vet Sc, 6, 250–258.
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Miller J,. (1986). National forest management of wild horses and burros: Current position and policy. J Equine Vet Sc, 6, 259–260.
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Boyles Js,. (1986). Managing America's wild horses and burros. J Equine Vet. Sc., 6, 261.
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Hertsch, B., & Becker, C. (1986). [Occurrence of aseptic necrosis of the palmar and plantar ligament in the horse--a contribution to the differentiation of sesamoid bone diseases]. Dtsch Tierarztl Wochenschr, 93(6), 263–266.
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Godfrey Eb, L. P. (1986). Wild horsres mangement: An economic perspective. J Equine Vet Sc, 6, 266–273.
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Mclain Jl,. (1986). The wild horse controversy. J Equine Vet Sc, 6, 274–275.
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White Dj,. (1986). The american humane association: Position on wild horse management. J Equine Vet Sc, 6, 276–277.
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Turner Jw, K. J. (1986). Fertility control as a management tool for feral horse populations. J Equine Vet Sc, 6, 278–284.
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Rubenstein, D. I.,. (1986). Ecology and sociality in horses and zebras. In D. I. Rubenstein, & R. W. Wrangham (Eds.), Ecological Aspects of Social Evolution (pp. 282–302). Princeton, NJ.: Princeton University Press.
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Zumpe, D., & Michael, R. P. (1986). Dominance index: A simple measure of relative dominance status in primates. Am. J. Primatol., 10(4), 291–300.
Abstract: A simple measure of relative dominance status (cardinal rank) is described which we have termed the dominance index. Like more familiar techniques for assessing rank order, it is based on the direction of aggressive and submissive behaviors between all possible paired combinations of animals in a social group. Using data from five groups of female rhesus monkeys, it reliably produced the same ordinal ranks as fight interaction matrices. There was also good agreement with the cardinal ranks produced by two additional measures of dominance and with those produced by observer ratings. The dominance index can be calculated when fights have not actually occurred and is largely independent of the frequency of agonistic interactions. It has, therefore, wide application and can estimate dominance during brief sampling periods (one hour) and also in stable groups when agonistic interactions are low. Its application is described in experiments in which the male in a group of females was changed and the hormonal status of the females was altered. Estrogen increased female dominance status relative to other females.
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