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Author (up) Hampson, B.A.; Morton, J.M.; Mills, P.C.; Trotter, M.G.; Lamb, D.W.; Pollitt, C.C.
Title Monitoring distances travelled by horses using GPS tracking collars Type Journal Article
Year 2010 Publication Australian Veterinary Journal Abbreviated Journal Aust. Vet. J.
Volume 88 Issue 5 Pages 176-181
Keywords behaviour; feral horses; foals; global positioning system (GPS); horses; paddock design
Abstract Objective  The aims of this work were to (1) develop a low-cost equine movement tracking collar based on readily available components, (2) conduct preliminary studies assessing the effects of both paddock size and internal fence design on the movements of domestic horses, with and without foals at foot, and (3) describe distances moved by mares and their foals. Additional monitoring of free-ranging feral horses was conducted to allow preliminary comparisons with the movement of confined domestic horses. Procedures  A lightweight global positioning system (GPS) data logger modified from a personal/vehicle tracker and mounted on a collar was used to monitor the movement of domestic horses in a range of paddock sizes and internal fence designs for 6.5-day periods. Results  In the paddocks used (0.8-16 ha), groups of domestic horses exhibited a logarithmic response in mean daily distance travelled as a function of increasing paddock size, tending asymptotically towards approximately 7.5 km/day. The distance moved by newborn foals was similar to their dams, with total distance travelled also dependent on paddock size. Without altering available paddock area, paddock design, with the exception of a spiral design, did not significantly affect mean daily distance travelled. Feral horses (17.9 km/day) travelled substantially greater mean daily distances than domestic horses (7.2 km/day in 16-ha paddock), even when allowing for larger paddock size. Conclusions  Horses kept in stables or small yards and paddocks are quite sedentary in comparison with their feral relatives. For a given paddock area, most designs did not significantly affect mean daily distance travelled.
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Corporate Author Thesis
Publisher Blackwell Publishing Asia Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1751-0813 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number Equine Behaviour @ team @ Serial 6201
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Author (up) Hampson, B.A.; Zabek, M.A.; Pollitt, C.C.; Nock, B.
Title Health and behaviour consequences of feral horse relocation Type Journal Article
Year 2011 Publication Rangel. J. Abbreviated Journal
Volume 33 Issue 2 Pages 173-180
Keywords equine, GPS, movement, range.
Abstract Despite ongoing projects involving the breeding and release of equids into semi-wild and wild environments, insufficient information is available in the literature that describes strategies used by equids to adapt and survive in a novel environment. The aim of this study was to assess the ability of naïve, feral Equus caballus (horse) mares to cope in a novel feral horse environment and investigate possible reasons why some may not survive this challenge. Four mares taken from a semi-arid desert environment remained in good health but significantly changed their movement behaviour pattern when surrounded by prime grazing habitat in a mesic temperate grassland. Three of the four mares captured from the prime grazing habitat and released in the semi-arid desert habitat died, apparently due to stress and/or starvation, within 8 weeks of release. The fourth mare survived 4 months but lost considerable weight.The group of mares relocated to the semi-arid desert environment had difficulty adapting to relocation and did not take up the movement behaviour strategy of local horses, which required long distance treks from a central water hole to distant feeding areas at least 15 km away. The movement behaviour, range use and health consequences of relocating equids may be of interest to wildlife ecologists, animal behaviourists and horse welfare groups. The observations may be used to guide those intending on relocating managed domestic and native horses to novel habitats.
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Notes Approved no
Call Number Equine Behaviour @ team @ Serial 6210
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Author (up) Hanggi, E.B.
Title Categorization Learning in Horses (Equus caballus) Type Journal Article
Year 1999 Publication Journal of Comparative Psychology Abbreviated Journal J. Comp. Psychol.
Volume 113 Issue 3 Pages 243-252
Keywords
Abstract Categorization learning was investigated in 2 horses (Equus caballus). Both horses learned to select a 2-dimensional black stimulus with an open center instead of a filled stimulus in a 2-choice discrimination task. After a criterion of 10 out of 10 correct responses in a random series for 2 consecutive sessions was reached, 15 additional pairs of open-center versus filled stimuli were tested. Each was run to criterion and then incorporated into sessions of randomly mixed problems. Both horses solved the 1st problem by simple pattern discrimination and showed evidence of categorical processing for subsequent problems. New pairs were learned with few or no errors, and correct responses on novel trials were significantly above chance. These results suggest that the horses were making their selections on the basis of shared characteristics with the training stimuli and were using categorization skills in problem solving.
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ISSN ISBN Medium
Area Expedition Conference
Notes Approved yes
Call Number Equine Behaviour @ team @ Serial 3678
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Author (up) Hare, B.; Rosati, A.; Kaminski, J.; Bräuer, J.; Call, J.; Tomasello, M.
Title The domestication hypothesis for dogs' skills with human communication: a response to Udell et al. (2008) and Wynne et al. (2008) Type Journal Article
Year 2010 Publication Anim Behav Abbreviated Journal
Volume 79 Issue Pages
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Notes Approved no
Call Number Equine Behaviour @ team @ Hare2010 Serial 6241
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Author (up) Harewood, E.J.; McGowan, C.M.
Title Behavioral and physiological responses to stabling in naive horses Type Journal Article
Year 2005 Publication Journal of Equine Veterinary Science Abbreviated Journal J. Equine Vet. Sci.
Volume 25 Issue 4 Pages 164-170
Keywords
Abstract The purpose of this study was to investigate the response of horses to confinement and isolation in a stable (indoor individual housing) for the first time using behavioral indices, heart rate, and salivary cortisol concentration. Six naive 2-year-old Australian Stock Horse fillies were examined at 4-hour intervals over 24 hours in an outdoor group paddock followed by 24 hours in indoor individual housing. Behavioral observations and scores and heart rates were recorded and saliva samples were taken at each interval. During stabling, all horses became agitated and demonstrated increased vocalization and movement. Behavioral scores were significantly higher in the indoor individual housing (P < .001). No significant difference in heart rates between the two environments was detected. Mean salivary cortisol did not increase significantly (2 ng/mL ± 1.4 ng/mL in outdoor group paddock vs 2.5 mL ± 1.2 ng/mL in indoor individual housing). No diurnal rhythm in salivary cortisol was evident in either the outdoor group paddock or indoor individual housing. The results of this study highlight that a combination of behavioral and physiological measures allow better understanding of stress, where one measurement may be misleading. First time stabling of horses elicited marked behavioral responses indicative of stress that were not reflected in increased heart rates or salivary cortisol concentrations. The lack of a diurnal cortisol rhythm and the comparatively high basal cortisol concentrations found in the outdoor group paddock environment may imply that the fillies were already stressed; therefore, stabling did not cause further aberrations detectable by salivary cortisol analysis.
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Publisher Elsevier Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0737-0806 ISBN Medium
Area Expedition Conference
Notes doi: 10.1016/j.jevs.2005.03.008 Approved no
Call Number Equine Behaviour @ team @ Serial 6137
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Author (up) Harlow, H.F.
Title Learning and satiation of response in intrinsically motivated complex puzzle performance by monkeys Type Journal Article
Year 1950 Publication Journal of Comparative and Physiological Psychology Abbreviated Journal J Comp Physiol Psychol
Volume 43 Issue 4 Pages 289-294
Keywords Animals; *Haplorhini; *Learning; *Motivation; *Psychology; *Satiation; *Learning; *Motivation; *Psychology
Abstract Two rhesus monkeys, given 60 two-hour sessions with a six-device mechanical puzzle showed clear evidence of learning, the curve showing ratio of incorrect to correct responses appearing quite comparable to similar curves obtained during externally rewarded situations. When, on the thirteenth day of tests, the subjects were presented with the puzzle 100 times at 6-minute intervals, the number of devices manipulated decreased regularly throughout the day, although there was no significant change in the number of times the problem assembly was attacked.
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Corporate Author Thesis
Publisher Place of Publication Editor
Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0021-9940 ISBN Medium
Area Expedition Conference
Notes PMID:15436888 Approved no
Call Number Equine Behaviour @ team @ Serial 6550
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Author (up) Harman, A.M.; Moore, S.; Hoskins, R.; Keller, P.
Title Horse vision and an explanation for the visual behaviour originally explained by the 'ramp retina' Type Journal Article
Year 1999 Publication Equine veterinary journal Abbreviated Journal Equine Vet J
Volume 31 Issue 5 Pages 384-390
Keywords Animals; Behavior, Animal; Cell Count; Eye/*anatomy & histology; Ganglia, Sensory/cytology; Horses/*physiology; Refractive Errors/veterinary; Retina/cytology/*physiology; Vision/*physiology; Visual Acuity; Visual Fields
Abstract Here we provide confirmation that the 'ramp retina' of the horse, once thought to result in head rotating visual behaviour, does not exist. We found a 9% variation in axial length of the eye between the streak region and the dorsal periphery. However, the difference was in the opposite direction to that proposed for the 'ramp retina'. Furthermore, acuity in the narrow, intense visual streak in the inferior retina is 16.5 cycles per degree compared with 2.7 cycles per degree in the periphery. Therefore, it is improbable that the horse rotates its head to focus onto the peripheral retina. Rather, the horse rotates the nose up high to observe distant objects because binocular overlap is oriented down the nose, with a blind area directly in front of the forehead.
Address Department of Psychology, University of Western Australia, Nedlands, Australia
Corporate Author Thesis
Publisher Place of Publication Editor
Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0425-1644 ISBN Medium
Area Expedition Conference
Notes PMID:10505953 Approved no
Call Number refbase @ user @ Serial 836
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Author (up) Harrington, F.H.
Title Chorus howling by wolves: Acoustic structures, pack size and Beau Geste effect Type Journal Article
Year 1989 Publication Bioacoustics Abbreviated Journal
Volume 2 Issue Pages
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Notes Approved no
Call Number Equine Behaviour @ team @ Harrington1989 Serial 6463
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Author (up) Harrington, F.H.
Title Aggressive howling in wolves Type Journal Article
Year 1987 Publication Anim Behav Abbreviated Journal
Volume 35 Issue Pages
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Notes Approved no
Call Number Equine Behaviour @ team @ Harrington1987 Serial 6457
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Author (up) Harrington, F.H.; Mech, L.D.
Title An analysis of howling response parameters useful for wolf pack censusing Type Journal Article
Year 1982 Publication J Wildl Manag Abbreviated Journal
Volume 46 Issue Pages
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Notes Approved no
Call Number Equine Behaviour @ team @ Harrington1982 Serial 6456
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