Records |
Author |
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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Blackwell Publishing Asia |
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1751-0813 |
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Equine Behaviour @ team @ |
Serial |
6201 |
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Author |
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. |
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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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Equine Behaviour @ team @ |
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6210 |
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Author |
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 |
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79 |
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Equine Behaviour @ team @ Hare2010 |
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6241 |
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Author |
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 |
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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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Elsevier |
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0737-0806 |
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doi: 10.1016/j.jevs.2005.03.008 |
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Equine Behaviour @ team @ |
Serial |
6137 |
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Author |
Harlow, H.F. |
Title |
Learning and satiation of response in intrinsically motivated complex puzzle performance by monkeys |
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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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0021-9940 |
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PMID:15436888 |
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Equine Behaviour @ team @ |
Serial |
6550 |
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Author |
Harrington, F.H. |
Title |
Aggressive howling in wolves |
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Journal Article |
Year |
1987 |
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Anim Behav |
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35 |
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Equine Behaviour @ team @ Harrington1987 |
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6457 |
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Harrington, F.H. |
Title |
Chorus howling by wolves: Acoustic structures, pack size and Beau Geste effect |
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1989 |
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Bioacoustics |
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2 |
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Equine Behaviour @ team @ Harrington1989 |
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6463 |
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Author |
Harrington, F.H.; Mech, L.D. |
Title |
Wolf howling and its role in territory maintenance |
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Journal Article |
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1979 |
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Behaviour |
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68 |
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Equine Behaviour @ team @ Harrington1979 |
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6455 |
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Author |
Harrington, F.H.; Mech, L.D. |
Title |
An analysis of howling response parameters useful for wolf pack censusing |
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1982 |
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J Wildl Manag |
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Equine Behaviour @ team @ Harrington1982 |
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6456 |
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Author |
Harris, F. |
Title |
On the Use of Windows for Harmonic Analysis with the Discrete Fourier Transform |
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1978 |
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Proc IEEE |
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Equine Behaviour @ team @ Harris1978 |
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6486 |
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