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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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Wolfe Ml,. (1986). Population dynamics of feral horses in western North America. J Equine Vet Sc, 6, 231–235.
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YALDEN DW et al,. (1986). Catalogue of the mammals of Ethiopia 6; II. order Perissodactyla; A. Family Equidae Monitore Zool italiano Suppl, 21, 35–41.
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Liang, K. - Y., & Zeger, S. L. (1986). Longitudinal data analysis using generalized linear models. Biometrika, 73(1), 13–22.
Abstract: This paper proposes an extension of generalized linear models to the analysis of longitudinal data. We introduce a class of estimating equations that give consistent estimates of the regression parameters and of their variance under mild assumptions about the time dependence. The estimating equations are derived without specifying the joint distribution of a subject's observations yet they reduce to the score equations for niultivariate Gaussian outcomes. Asymptotic theory is presented for the general class of estimators. Specific cases in which we assume independence, m-dependence and exchangeable correlation structures from each subject are discussed. Efficiency of the pioposecl estimators in two simple situations is considered. The approach is closely related to quasi-likelihood.
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Berger, J. (1986). Wild Horses of the Great Basin: Social Competition and Population Size. Chicago: University of Chicago Press.
Abstract: Editorial Reviews
From Library Journal
Berger begins this scholarly and absorbing treatise by discussing the natural history of the horse in general. Then, on the basis of several years of field work, he describes and details the behavior and ecology of the wild horses in the Great Basin Desert of Nevada. The purpose of the book is not, however, merely to describe natural history, but also to test quantitatively several basic ecological hypotheses. Berger has done both well, and his book will be a major source of information on North American wild horses for years to come. The book will interest specialists and graduate students primarily. It may also appeal to anyone with a strong interest in wild horses, and the remote and starkly beautiful Great Basin. Nicholas J. Volkman, Point Reyes Bird Observatory, Stinson Beach, Cal.
Copyright 1986 Reed Business Information, Inc.
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Berry, M. P. S. (1986). A comparison of different wildlife production enterprises in the northern Cape Province, South Africa. S. Afr. J. Wildl. Res., 16(4), 124–128.
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Crowell-Davis, S. L., Houpt, K. A., & Carini, C. M. (1986). Mutual grooming and nearest-neighbor relationships among foals of Equus caballus. Appl. Anim. Behav. Sci., 15(2), 113–123.
Abstract: A 3-year study was carried out on the developmental behavior of foals from birth to 24 weeks of age and the behavior of mares living with foals. Mutual-grooming partners of foals were primarily other foals. The peak frequency of mutual grooming occurred during Weeks 9-12, when fillies mutual-groomed 1.6 times h-1 and colts mutual-groomed 0.9 times h-1. Fillies mutual-groomed more frequently than colts (P < 0.025). Fillies mutual-groomed randomly with colts and other fillies (P < 0.05), whereas colts mutual-groomed almost exclusively with fillies (P = 0.03). At all ages studied, if a foal's nearest neighbor was not its mother, it was more likely to be another foal than would be expected if the foal was associating randomly with non-mother ponies. Fillies were more likely than expected to have a filly rather than a colt as their nearest neighbor (P = 0.01). Thus, during their first few months of life, the foals studied exhibited patterns of behavior which were consistent with the development of the usual social milieu of unmanaged adults, in which several mares form a cohesive herd with one or more stallions associating with them.
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Cunningham, C., & Berger, J. (1986). Wild horses of the Granite Range. Natural History, , 32–39.
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Kirkpatrick, J. F., & Turner, J. W. J. (1986). Comparative reproductive biology of North American feral horses. J. Equine Vet. Sci., 6, 224–230.
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Mayes, E., & Duncan, P. (1986). Temporal patterns of feeding behaviour in free-ranging horses. Behav., 96, 105–129.
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