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Author Lynch, J.J.; Fregin, G.F.; Mackie, J.B.; Monroe, R.R.J.
Title Heart rate changes in the horse to human contact Type Journal Article
Year 1974 Publication Psychophysiology Abbreviated Journal Psychophysiology
Volume 11 Issue 4 Pages 472-478
Keywords Animals; Behavior, Animal; Electrocardiography/veterinary; *Heart Rate; Horses/*physiology; Humans; *Social Behavior; *Touch
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Series Volume Series Issue Edition
ISSN 0048-5772 ISBN Medium
Area Expedition Conference
Notes PMID:4852234 Approved no
Call Number refbase @ user @ Serial 1965
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Author Selby, L.A.; Marienfeld, C.J.; Pierce, J.O.
Title The effects of trace elements on human and animal health Type Journal Article
Year 1970 Publication Journal of the American Veterinary Medical Association Abbreviated Journal J Am Vet Med Assoc
Volume 157 Issue 11 Pages 1800-1808
Keywords Anemia, Hypochromic/veterinary; Animal Nutrition Physiology; Animals; Artiodactyla/*physiology; Chemistry; Cobalt/analysis/metabolism; Copper/analysis/metabolism; Deficiency Diseases/veterinary; Dogs/*physiology; Ecology; Horses/*physiology; Humans; Iodine/analysis/metabolism; Iron/analysis/metabolism; Manganese/analysis/metabolism; Nutritional Requirements; Selenium/metabolism; Trace Elements/*metabolism; Zinc/analysis/metabolism
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Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0003-1488 ISBN Medium
Area Expedition Conference
Notes PMID:4922190 Approved no
Call Number Equine Behaviour @ team @ Serial 2733
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Author Bell, F.R.
Title Sleep in the larger domesticated animals Type Journal Article
Year 1972 Publication Proceedings of the Royal Society of Medicine Abbreviated Journal Proc R Soc Med
Volume 65 Issue 2 Pages 176-177
Keywords Animals; Cattle/*physiology; Dreams; Electroencephalography; Goats/*physiology; Horses/*physiology; Posture; Sheep/*physiology; *Sleep; Sleep, REM
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Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0035-9157 ISBN Medium
Area Expedition Conference
Notes PMID:4343589 Approved no
Call Number Equine Behaviour @ team @ Serial 2826
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Author Giles, N.; Tupper, J.
Title Equine interspecies aggression Type
Year 2006 Publication The Veterinary record Abbreviated Journal Vet. Rec.
Volume 159 Issue 22 Pages 756
Keywords Aggression/*physiology; Animals; Horses/*physiology; Sheep/*physiology; Social Dominance
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Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0042-4900 ISBN Medium
Area Expedition Conference
Notes PMID:17127768 Approved no
Call Number Serial 1779
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Author Gill, J.
Title A new method for continuous recording of motor activity in horses Type Journal Article
Year 1991 Publication Comparative Biochemistry and Physiology. A, Comparative Physiology Abbreviated Journal Comp Biochem Physiol A
Volume 99 Issue 3 Pages 333-341
Keywords Animals; Circadian Rhythm; Female; Horses/*physiology; Monitoring, Physiologic/instrumentation/*veterinary; *Motor Activity; Signal Processing, Computer-Assisted
Abstract (up) 1. The use of an electronic recorder for the horse motor activity was described. 2. Examples of different types of motor activities are given in Figs 1-8. 3. The ultradian pattern of activity in all records was stressed. 4. The possibility of receiving of more physiological informations by this type of apparatus is discussed.
Address Department of Vertebrate Animal Physiology, University of Warsaw, Poland
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Language English Summary Language Original Title
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Series Volume Series Issue Edition
ISSN 0300-9629 ISBN Medium
Area Expedition Conference
Notes PMID:1678331 Approved no
Call Number refbase @ user @ Serial 1950
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Author Feist, J.D.; McCullough, D.R.
Title Reproduction in feral horses Type Journal Article
Year 1975 Publication Journal of Reproduction and Fertility. Supplement Abbreviated Journal J Reprod Fertil Suppl
Volume Issue 23 Pages 13-18
Keywords Age Factors; Animals; Female; Horses/*physiology; Leadership; Male; Maternal Behavior; Population; Reproduction; *Sexual Behavior, Animal; Social Dominance; Sucking Behavior
Abstract (up) A behavioural study of feral horses was conducted on the Pryor Mountain Wild Horse Range in the western United States. All 270 horses on the Range were identified individually. The sex ratio was nearly balanced. Foal to adult female ratio was 43-2:100. Morality was concentrated among foals and old horses. Horses were organized as forty-four harem groups each with a dominant stallion, one to two immature stallions, one to three immature mares, one to three adult mares and their yearling and foal offspring, and 23 bachelor groups of one to eight stallions. Harem groups were quite stable year-round because of dominance and leadership by the stallions and group fidelity by mares and their offsring. Most changes occurred during the breeding season and involved immature females. Defeat of dominant stallions was infrequent. Immature males were tolerated because of their submissive behaviour. Bachelor stallion groups were inherently unstable. Mares came into heat after foaling in May/June, and were mated by harem stallions only.
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Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0449-3087 ISBN Medium
Area Expedition Conference
Notes PMID:1060766 Approved no
Call Number refbase @ user @ Serial 1964
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Author Summerley, H.L.; Thomason, J.J.; Bignell, W.W.
Title Effect of rider and riding style on deformation of the front hoof wall in warmblood horses Type Journal Article
Year 1998 Publication Equine Veterinary Journal. Supplement Abbreviated Journal Equine Vet J Suppl
Volume Issue 26 Pages 81-85
Keywords Animals; Female; Gait/*physiology; Hoof and Claw/*physiology; Horses/*physiology; Male; Videotape Recording; Weight-Bearing
Abstract (up) A rider modifies the weight distribution and dynamic balance of the horse. But what effect does a rider have on the mechanical behaviour of the hoof during each stance phase? Does riding style have any effect on this behaviour? We attempted to answer these questions using strains recorded from 5 rosette strain gauges glued to the surface of the front hooves of 4 Warmblood horses. Comparisons were made between strains with and without a rider, and when the rider was sitting, rising at a trot, or in a forward seated position. The change in strains from trot to lead or nonlead at a canter, and the effect of turning were also studied. Changing lead at a canter had as least as much effect on strain magnitudes as did turning; strains were up to 43% higher for the nonlead foot, but with little redistribution. Perhaps surprisingly, strains were significantly lower on the quarters by up to 30% with a rider than without, with a 10% increase or decrease at the toe, depending on the individual. Riding style changed strain magnitudes by up to 20% and also caused strain redistribution: strains were higher medially for sitting, and laterally for forward seat, with strains for a rising trot being more evenly distributed and intermediate in magnitude. Studying the range of, and causes of variation in hoof wall strain gives baseline data aimed, in the long term, at providing a biomechanical definition of hoof balance.
Address Department of Biomedical Sciences, University of Guelph, Ontario, Canada
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Notes PMID:9932097 Approved no
Call Number refbase @ user @ Serial 1934
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Author Rapin, V.; Poncet, P.A.; Burger, D.; Mermod, C.; Richard, M.A.
Title [Measurement of the attention time in the horse] Type Journal Article
Year 2007 Publication Schweizer Archiv fur Tierheilkunde Abbreviated Journal Schweiz Arch Tierheilkd
Volume 149 Issue 2 Pages 77-83
Keywords Age Factors; Animals; *Attention/physiology; Conditioning, Operant; Cross-Over Studies; Female; Horses/*physiology; Learning/*physiology; Male; Memory/*physiology; Time Factors
Abstract (up) A study carried out on 49 horses showed that it is possible to measure the attention time by operant conditioning. After teaching horses an instrumental task using a signal, we were then able to test their attention time by asking them to prolong it increasingly while setting success and failure criteria. Two tests were performed 3 weeks apart. The 2nd test was feasible without relearning, a proof of memory, and was repeatable, a proof of consistency in the attention time. A significant difference was observed between the 3 age groups. Young horses often performed very well during the 1st test but their attention dropped in the 2nd test while older horses were more stable with respect to attention and even increased it slightly. The study shows that there are individual differences but it was not possible to prove a significant influence of breed, gender and paternal influence. Consequently, learning appears to be one of the most interesting approaches for evaluating the attention of horses and for observing their behaviour.
Address Laboratoire d'Ecoethologie, Universite de Neuchatel, Suisse. veronique.rapin@unine.ch
Corporate Author Thesis
Publisher Place of Publication Editor
Language French Summary Language Original Title Mesure de la duree d'attention chez le cheval
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0036-7281 ISBN Medium
Area Expedition Conference
Notes PMID:17343134 Approved no
Call Number Serial 1770
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Author Timney, B.; Keil, K.
Title Local and global stereopsis in the horse Type Journal Article
Year 1999 Publication Vision Research Abbreviated Journal Vision Res
Volume 39 Issue 10 Pages 1861-1867
Keywords Animals; Depth Perception/*physiology; Female; Horses/*physiology; Pattern Recognition, Visual/physiology; Psychophysics; Sensory Thresholds/physiology; Vision, Binocular/physiology; Vision, Monocular/physiology
Abstract (up) Although horses have laterally-placed eyes, there is substantial binocular overlap, allowing for the possibility that these animals have stereopsis. In the first experiment of the present study we measured local stereopsis by obtaining monocular and binocular depth thresholds for renal depth stimuli. On all measures, the horses' binocular performance was superior to their monocular. When depth thresholds were obtained, binocular thresholds were several times superior to those obtained monocularly, suggesting that the animals could use stereoscopic information when it was available. The binocular thresholds averaged about 15 min arc. In the second experiment we obtained evidence for the presence of global stereopsis by testing the animals' ability to discriminate between random-dot stereograms with and without consistent disparity information. When presented with such stimuli they showed a strong preference for the cyclopean equivalent of the positive stimulus with the real depth. These results provide the first behavioral demonstration of a full range of stereoscopic skills in a lateral-eyed mammal.
Address Department of Psychology, Faculty of Social Science, University of Western Ontario, London, Canada. timney@julian.uwo.ca
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Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0042-6989 ISBN Medium
Area Expedition Conference
Notes PMID:10343877 Approved yes
Call Number Equine Behaviour @ team @ Serial 3580
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Author Trim, C.M.; Moore, J.N.; Clark, E.S.
Title Renal effects of dopamine infusion in conscious horses Type Journal Article
Year 1989 Publication Equine veterinary journal. Supplement Abbreviated Journal Equine Vet J Suppl
Volume Issue 7 Pages 124-128
Keywords Animals; Blood Pressure/drug effects/physiology; Consciousness/*physiology; Creatinine/blood; Dopamine/administration & dosage/*pharmacology; Dose-Response Relationship, Drug; Female; Heart Rate/drug effects/physiology; Horses/*physiology; Infusions, Intravenous/veterinary; Kidney/blood supply/*drug effects/physiology; Osmolar Concentration; Potassium/blood; Random Allocation; Regional Blood Flow/drug effects/physiology; Renal Artery/drug effects/physiology/ultrasonography; Sodium/blood; Time Factors; Ultrasonography/methods/veterinary; Urination/physiology
Abstract (up) An ultrasonic flow probe was implanted around a branch of the left renal artery in five horses. The effects of dopamine were studied in the unsedated horses 10 days after surgery. Three experiments, separated by at least two days, were performed in random order on each horse. In two experiments, dopamine was infused intravenously for 60 mins at either 2.5 and 5.0 micrograms/kg bodyweight (bwt)/min. Saline was infused for 60 mins before and after each infusion, and for 180 mins in the third experiment as a control. Renal blood flow increased during administration of dopamine at both dose rates (P = 0.0001). Urine volume increased (P = 0.055), and osmolality decreased (P < 0.05), with infusion of dopamine at 5.0 micrograms/kg bwt/min. Arterial blood pressure and heart rate were not significantly affected. Fractional excretions of sodium and potassium were not significantly changed with dopamine infusion. The higher dopamine dose rate was accompanied by dysrhythmias in some horses.
Address Department of Large Animal Medicine, College of Veterinary Medicine, University of Georgia, Athens 30602, USA
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Notes PMID:9118094 Approved no
Call Number refbase @ user @ Serial 99
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