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 @ |
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6201 |
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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) |
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Year |
2010 |
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Anim Behav |
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79 |
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Equine Behaviour @ team @ Hare2010 |
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6241 |
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Goetsch, A.L.; Gipson, T.A.; Askar, A.R.; Puchala, R. |
Title |
Feeding behavior of goats |
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Journal Article |
Year |
2010 |
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J Anim Sci |
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88 |
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Equine Behaviour @ team @ Goetsch2010 |
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6254 |
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Author |
van de Waal, E.; Bshary, R. |
Title |
Contact with human facilities appears to enhance technical skills in wild vervet monkeys (Chlorocebus aethiops) |
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Journal Article |
Year |
2010 |
Publication |
Folia Primatol |
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81 |
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Equine Behaviour @ team @ van de Waal2010 |
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6265 |
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Frère, C.H.; Krützen, M.; Mann, J.; Connor, R.C.; Bejder, L.; Sherwin, W.B. |
Title |
Social and genetic interactions drive fitness variation in a free-living dolphin population |
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Journal Article |
Year |
2010 |
Publication |
Proc Natl Acad Sci USA |
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Proc. Natl. Acad. Sci. U.S.A. |
Volume |
107 |
Issue |
46 |
Pages |
19949-19954 |
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Abstract |
The evolutionary forces that drive fitness variation in species are of considerable interest. Despite this, the relative importance and interactions of genetic and social factors involved in the evolution of fitness traits in wild mammalian populations are largely unknown. To date, a few studies have demonstrated that fitness might be influenced by either social factors or genes in natural populations, but none have explored how the combined effect of social and genetic parameters might interact to influence fitness. Drawing from a long-term study of wild bottlenose dolphins in the eastern gulf of Shark Bay, Western Australia, we present a unique approach to understanding these interactions. Our study shows that female calving success depends on both genetic inheritance and social bonds. Moreover, we demonstrate that interactions between social and genetic factors also influence female fitness. Therefore, our study represents a major methodological advance, and provides critical insights into the interplay of genetic and social parameters of fitness. |
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Equine Behaviour @ team @ |
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6412 |
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Author |
McGreevy, P.D.; Harman, A.; McLean, A.; Hawson, L. |
Title |
Over-flexing the horse's neck: A modern equestrian obsession? |
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Journal Article |
Year |
2010 |
Publication |
Journal of Veterinary Behavior: Clinical Applications and Research |
Abbreviated Journal |
Journal of Veterinary Behavior: Clinical Applications and Research |
Volume |
5 |
Issue |
4 |
Pages |
180-186 |
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Abstract |
We used an opportunistic review of photographs of different adult and juvenile horses walking, trotting, and cantering (n = 828) to compare the angle of the nasal plane relative to vertical in feral and domestic horses at liberty (n = 450) with ridden horses advertised in a popular Australian horse magazine (n = 378). We assumed that horses in advertisements were shown at, what was perceived by the vendors to be, their best. Of the ridden horses, 68% had their nasal plane behind the vertical. The mean angle of the unridden horses at walk, trot, and canter (30.7 ± 11.5; 27.3 ± 12.0; 25.5 ± 11.0) was significantly greater than those of the ridden horses (1.4 ± 14.1; ?5.1 ± ?11.1; 3.1 ± 15.4, P < 0.001). Surprisingly, unridden domestic horses showed greater angles than feral horses or domestic horses at liberty. We compared adult and juvenile horses in all 3 gaits and found no significant difference. Taken together, these findings demonstrate that the longitudinal neck flexion of the degree desirable by popular opinion in ridden horses is not a common feature of unridden horses moving naturally. Moreover, they suggest that advertised horses in our series are generally being ridden at odds with their natural carriage and contrary to the international rules of dressage (as published by the International Equestrian Federation). These findings are discussed against the backdrop of the established doctrine, which states that carrying a rider necessitates changes in longitudinal flexion, and in the context of the current debate around hyperflexion. |
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Elsevier |
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1558-7878 |
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doi: 10.1016/j.jveb.2010.03.004 |
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Equine Behaviour @ team @ |
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6501 |
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Author |
Primack, R.B. |
Title |
Essentials of conservation biology |
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Book Whole |
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2010 |
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Fifth |
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Equine Behaviour @ team @ Primack2010 |
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6444 |
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Author |
Huron, D. |
Title |
Voice Denumerability of Homogeneous Timbres |
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Journal Article |
Year |
2010 |
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Music Percept Interdiscip J |
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6 |
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Equine Behaviour @ team @ Huron2010 |
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6472 |
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Author |
Passilongo, D.; Buccianti, A.; Dessi-Fulgheri, F.; Gazzola, A.; Zaccaronii, M.; Apollonio, M. |
Title |
The Acoustic Structure Of Wolf Howls In Some Eastern Tuscany (Central Italy) Free Ranging Packs |
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Journal Article |
Year |
2010 |
Publication |
Bioacoustics |
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Bioacoustics |
Volume |
19 |
Issue |
3 |
Pages |
159-175 |
Keywords |
Canis lupus, acoustic structure, mammal communication, sonogram, fundamental frequency. |
Abstract |
Italian wolf howls are described for the first time from observations between 2003–2008 of a population living in eastern Tuscany, central Italy. A sample of 37 howls selected among single responses and 128 howls included in the choruses of 7 free ranging packs was recorded and analysed. The mean fundamental frequency of the howls ranged between 274–908 Hz. Two main structures recognised by means of multivariate explorative analysis, in particular Principal Component and Cluster Analysis, were ascribed to breaking and flat howls. Discriminant Function Analysis was applied to the recognised groups with the aim to find a general rule for classification. Howls with different features were correctly assigned to the groups obtained by explorative analysis in 95.8% of cases. The analysis of the variables characterising the structure of the howls suggests that maximum frequency and range of fundamental frequency are the most important parameters for classification, while duration does not appear to play any significant role. |
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Equine Behaviour @ team @ |
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6499 |
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Author |
Gehring, T.M.; VerCauteren, K.C.; Provost, M.L.; Cellar, A.C. |
Title |
Utility of livestock-protection dogs for deterring wildlife from cattle farms |
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Journal Article |
Year |
2010 |
Publication |
Wildl. Res. |
Abbreviated Journal |
Wildl. Res. |
Volume |
37 |
Issue |
8 |
Pages |
715-721 |
Keywords |
bovine tuberculosis, coyote, grey wolf, livestock protection dog, mesopredators, white-tailed deer, wildlife damage management. |
Abstract |
Context. Livestock producers worldwide are negatively affected by livestock losses because of predators and wildlife-transmitted diseases. In the western Great Lakes Region of the United States, this conflict has increased as grey wolf (Canis lupus) populations have recovered and white-tailed deer (Odocoileus virginianus) have served as a wildlife reservoir for bovine tuberculosis (Myobacterium bovis).Aims. We conducted field experiments on cattle farms to evaluate the effectiveness of livestock-protection dogs (LPDs) for excluding wolves, coyotes (C. latrans), white-tailed deer and mesopredators from livestock pastures.Methods. We integrated LPDs on six cattle farms (treatment) and monitored wildlife use with tracking swaths on these farms, concurrent with three control cattle farms during 2005-2008. The amount of time deer spent in livestock pastures was recorded using direct observation.Key results. Livestock pastures protected by LPDs had reduced use by these wildlife compared with control pastures not protected by LPDs. White-tailed deer spent less time in livestock pastures protected by LPDs compared with control pastures not protected by LPDs.Conclusions. Our research supports the theory that LPDs can be an effective management tool for reducing predation and disease transmission. We also demonstrate that LPDs are not limited to being used only with sheep and goats; they can also be used to protect cattle.Implications. On the basis of our findings, we support the use of LPDs as a proactive management tool that producers can implement to minimise the threat of livestock depredations and transmission of disease from wildlife to livestock. LPDs should be investigated further as a more general conservation tool for protecting valuable wildlife, such as ground-nesting birds, that use livestock pastures and are affected by predators that use these pastures. |
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Equine Behaviour @ team @ |
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6575 |
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