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Henneke, D. R., Potter, G. D., Kreider, J. L., & Yeates, B. F. (1983). Relationship between condition score, physical measurements and body fat percentage in mares. Equine Vet J, 15(4), 371–372.
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Moss, C. J., & Poole, J. H. (1983). Relationships and social structure in African elephants. In R. A. Hinde (Ed.), Primate social relationships: an integrated approach.. Blackwell Science Ltd.
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Kaseda Y,. (1983). Seasonal changes in the home range and the size of harem groups of Misaki horses. Jpn J Zootech Sci, 54, 254–262.
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Kaseda Y,. (1983). Seasonal changes in time spent grazing and resting of Misaki horses. Jpn J Zootechn Sci, 54, 464–469.
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Miller R,. (1983). Seasonal movements and home ranges of feral horse bands in Wyoming's Red Desert. J Range Mgmt, 36, 199–201.
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Kirkpatrick, J. F., & Turner, J. W. (1983). Seasonal ovarian function in feral mares: seasonal patterns of LH, progestins and estrogens in feral mares. J. Equine Vet. Sci., 3(4), 113–118.
Abstract: Blood was collected every 3 days for 13 months from 4 captured [female][female] of proven fertility kept adjacent to a teaser stallion. Basal plasma LH level was greater during Apr.-July (8.1+or-0.5 ng/ml) than during Nov.-Jan. (2.2+or-0.2). A total for 21 LH peaks occurred between 13 Apr. and 31 Aug. among the 4 [female][female]; many peaks exceeded 20 times the basal level, and there was a trend to a higher LH level with each succeeding peak. On all occasions except one, LH peaks were associated with progesterone levels of 0.5 ng/ml and with increases of oestrogen (peak average 43.1+or-12.1 pg/ml). Basal progesterone level during Apr.-July (1.5+or-1.2 ng/ml) did not differ significantly from that during Oct.-Jan. (1.1+or-0.7), nor did basal oestrogen level differ significantly between those 2 periods (8.4+or-3.2 and 12.9+or-4.6 pg/ml resp.). Behavioural oestrus always occurred with LH and oestrogen peaks during Apr.-July. However, behavioural oestrus was occasionally observed during Aug.-Oct., when LH peaks no longer occurred.
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Kaseda Y,. (1983). Seasonal variations in heart rate and body temperature of Misaki horses. Proc Vth Wid Conf Anim Prod, 2, 765–766.
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Hoffmann R,. (1983). Social organization patterns of several Feral horse and Feral ass populations in Central Australia. Z Säugetierk, 48, 124–126.
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Markworth, P. (1983). Sportmedizin: Physiologische Grundlagen. Reinbek: Rowohlt.
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Kiley-Worthington, M. (1983). Stereotypies in horses. Equine Practice, 5, 34–40.
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