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Author Kirkpatrick, J.F.; Vail, R.; Devous, S.; Schwend, S.; Baker, C.B.; Wiesner, L.
Title Diurnal variation of plasma testosterone in wild stallions Type Journal Article
Year 1976 Publication Biology of reproduction Abbreviated Journal Biol Reprod
Volume (up) 15 Issue 1 Pages 98-101
Keywords Animals; *Circadian Rhythm; Horses/*blood; Male; Montana; Sexual Behavior, Animal; Species Specificity; Testosterone/*blood
Abstract
Address
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 0006-3363 ISBN Medium
Area Expedition Conference
Notes PMID:986195 Approved no
Call Number refbase @ user @ Serial 149
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Author Lindsay, F.E.; Burton, F.L.
Title Observational study of “urine testing” in the horse and donkey stallion Type Journal Article
Year 1983 Publication Equine Veterinary Journal Abbreviated Journal Equine Vet J
Volume (up) 15 Issue 4 Pages 330-336
Keywords Animals; *Behavior, Animal; Horses/anatomy & histology/*physiology; Male; Nasal Septum; Nose/anatomy & histology; Olfactory Mucosa/physiology; Perissodactyla/*physiology; Sex Attractants/urine; Smell/physiology
Abstract Although “urine testing” is said to enable the male equid to assess the sexual status of the mare, there are no reports in the literature of any detailed study of this behavioural response of the stallion. Behavioural response to conspecific urine was studied in two horse stallions and one donkey stallion. The relevant nasopalatine anatomy is described. Events observed during urine testing included head, neck, lip, jaw, tongue movements, penile changes and nasal secretion. Nasal endoscopy indicated that the source of part of the nasal secretion was the secretory glands of the vomeronasal organ complex. The significance and probable function of these events in urine testing is discussed.
Address
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:6641679 Approved no
Call Number refbase @ user @ Serial 1955
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Author Henneke, D.R.; Potter, G.D.; Kreider, J.L.; Yeates, B.F.
Title Relationship between condition score, physical measurements and body fat percentage in mares Type Journal Article
Year 1983 Publication Equine Veterinary Journal Abbreviated Journal Equine Vet J
Volume (up) 15 Issue 4 Pages 371-372
Keywords *Adipose Tissue; Animals; Biometry; Body Weight; Female; Heart/anatomy & histology; Horses/anatomy & histology/*physiology; *Reproduction
Abstract
Address
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:6641685 Approved no
Call Number Equine Behaviour @ team @ Serial 2299
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Author Beveridge, W.I.
Title Unravelling the ecology of influenza A virus Type Journal Article
Year 1993 Publication History and Philosophy of the Life Sciences Abbreviated Journal Hist Philos Life Sci
Volume (up) 15 Issue 1 Pages 23-32
Keywords Animals; Bird Diseases/epidemiology/*history/microbiology; Birds; Ecology; History, 20th Century; Horse Diseases/epidemiology/*history/microbiology; Horses; Humans; Influenza A virus/*isolation & purification; Influenza, Human/epidemiology/*history/microbiology/*veterinary; Swine; Swine Diseases/epidemiology/*history/microbiology; Zoonoses/history
Abstract For 20 years after the influenza A virus was discovered in the early 1930s, it was believed to be almost exclusively a human virus. But in the 1950s closely related viruses were discovered in diseases of horses, pigs and birds. Subsequently influenza A viruses were found to occur frequently in many species of birds, particularly ducks, usually without causing disease. Researchers showed that human and animal strains can hybridise thus producing new strains. Such hybrids may be the cause of pandemics in man. Most pandemics have started in China or eastern Russia where many people are in intimate association with animals. This situation provides a breeding ground for new strains of influenza A virus.
Address
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 0391-9714 ISBN Medium
Area Expedition Conference
Notes PMID:8310117 Approved no
Call Number Equine Behaviour @ team @ Serial 2667
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Author Sivak, J.G.; Allen, D.B.
Title An evaluation of the “ramp” retina of the horse eye Type Journal Article
Year 1975 Publication Vision Research Abbreviated Journal Vision Res
Volume (up) 15 Issue 12 Pages 1353-1356
Keywords Accommodation, Ocular; Animals; Aqueous Humor/physiology; Cornea/physiology; Freezing; Horses/*anatomy & histology; Lens, Crystalline/anatomy & histology/physiology; Refraction, Ocular; Retina/*anatomy & histology; Vitreous Body/physiology
Abstract Using a rapid freezing and sectioning technique, the distance between the lens and retina of the horse eye was measured. There is no indication of a ramp retina that could serve accommodation. The pupil axis of the eye coincides with the maximum lens to retina distance. The changes in the lens-retina distance are greater below the axis than above it. Calculations were made of refractive power of the horse eye from measurements of curvature and refractive indices of the ocular tissues. These calculations agree both qualitatively and quantitatively with retinoscopic measurements on live horses. Both show that the refractive state shifts in the direction of hyperopia above and below the axis and that this shift is greater below the axis than above it. Some dynamic accommodative ability in the living eye was observed.
Address
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 0042-6989 ISBN Medium
Area Expedition Conference
Notes PMID:1210017 Approved no
Call Number Equine Behaviour @ team @ Serial 3647
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Author Steinhoff, H.J.
Title A continuous wave laser T-jump apparatus and its application to chemical reactions in hemoglobin single crystals Type Journal Article
Year 1988 Publication Journal of Biochemical and Biophysical Methods Abbreviated Journal J Biochem Biophys Methods
Volume (up) 15 Issue 6 Pages 319-330
Keywords Animals; Chemistry; Crystallization; *Heat; *Hemoglobins; Horses/blood; *Lasers; Methemoglobin; Solutions; Thermodynamics; Thiocyanates
Abstract A laser temperature jump apparatus is constructed where the T-jump is achieved by means of the direct absorption of continuous laser radiation of low intensity by a solid sample. The final temperature in the irradiated volume element is reached when the absorbed radiation power equals the dissipation of heat by heat conduction. The time range from the beginning of irradiation to the stationary state depends on the geometry of the irradiated volume element and is less than 10 ms. The heating laser beam is simultaneously used to detect the relaxation to the new chemical equilibrium in the sample. Relaxation processes with relaxation rates between 10(2) s-1 and less than 10(-3) s-1 on samples with volumes less than 10(-3) mm3 may be investigated using this T-jump method. One application of this method is the determination of reaction rates of ligand reactions in hemoglobin single crystals. Rate constants obtained for the reaction of thiocyanate with crystallized horse methemoglobin are presented.
Address Institut fur Biophysik, Ruhr-Universitat Bochum, F.R.G
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 0165-022X ISBN Medium
Area Expedition Conference
Notes PMID:3379245 Approved no
Call Number Equine Behaviour @ team @ Serial 3804
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Author Alexander, F.; Horner, M.W.; Moss, M.S.
Title The salivary secretion and clearance in the horse of chloral hydrate and its metabolites Type Journal Article
Year 1967 Publication Biochemical pharmacology Abbreviated Journal Biochem Pharmacol
Volume (up) 16 Issue 7 Pages 1305-1311
Keywords Animals; Chloral Hydrate/blood/*metabolism/urine; Chromatography, Gas; Ethanol/blood/urine; Horses; Male; Parotid Gland/metabolism; Saliva/*analysis; Trichloroacetic Acid/blood/urine
Abstract
Address
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 0006-2952 ISBN Medium
Area Expedition Conference
Notes PMID:6053598 Approved no
Call Number refbase @ user @ Serial 118
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Author Papakostas, Y.G.; Daras, M.D.; Liappas, I.A.; Markianos, M.
Title Horse madness (hippomania) and hippophobia Type Journal Article
Year 2005 Publication History of Psychiatry Abbreviated Journal Hist Psychiatry
Volume (up) 16 Issue Pt 4 (no 64) Pages 467-471
Keywords Ancient Lands; Animals; Cattle; History, Ancient; Horse Diseases/*history; Horses; Humans; *Mythology
Abstract Anthropophagic horses have been described in classical mythology. From a current perspective, two such instances are worth mentioning and describing: Glaucus of Potniae, King of Efyra, and Diomedes, King of Thrace, who were both devoured by their horses. In both cases, the horses' extreme aggression and their subsequent anthropophagic behaviour were attributed to their madness (hippomania) induced by the custom of feeding them with flesh. The current problem of 'mad cow' disease (bovine spongiform encephalopathy) is apparently related to a similar feed pattern. Aggressive behaviour in horses can be triggered by both biological and psychological factors. In the cases cited here, it is rather unlikely that the former were the cause. On the other hand, the multiple abuses imposed on the horses, coupled with people's fantasies and largely unconscious fears (hippophobia), may possibly explain these mythological descriptions of 'horse-monsters'.
Address Athens University Medical School
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 0957-154X ISBN Medium
Area Expedition Conference
Notes PMID:16482685 Approved no
Call Number Serial 1876
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Author Osthaus, B.; Proops, L.; Hocking, I.; Burden, F.
Title Spatial cognition and perseveration by horses, donkeys and mules in a simple A-not-B detour task Type Journal Article
Year 2013 Publication Abbreviated Journal Animal Cognition
Volume (up) 16 Issue 2 Pages 301-305
Keywords Equids; Donkeys; Horses; Mules; Dogs; Detour; Spatial reasoning; A-not-B; Perseveration
Abstract We investigated perseveration and detour behaviour in 36 equids (Equus caballus, E. asinus, E. caballus × E. asinus) and compared these data to those of a previous study on domestic dogs (Canis familiaris). The animals were required to make a detour through a gap at one end of a straight barrier in order to reach a visible target. After one, two, three or four repeats (A trials), the gap was moved to the opposite end of the barrier (B trials). We recorded initial deviations from the correct solution path and the latency to crossing the barrier. In the A trials, mules crossed the barrier significantly faster than their parental species, the horses and donkeys. In the B trials, following the change of gap location, all species showed a reduction in performance. Both dogs and horses exhibited significant spatial perseveration, going initially to the previous gap location. Donkeys and mules, however, performed at chance level. Our results suggest that hybrid vigour in mules extends to spatial abilities.
Address
Corporate Author Thesis
Publisher Springer-Verlag Place of Publication Editor
Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1435-9448 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number Equine Behaviour @ team @ Serial 5694
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Author Crowell-Davis, S.L.; Houpt, K.A.
Title Coprophagy by foals: effect of age and possible functions Type Journal Article
Year 1985 Publication Equine veterinary journal Abbreviated Journal Equine Vet J
Volume (up) 17 Issue 1 Pages 17-19
Keywords *Aging; Animals; *Coprophagia; Deoxycholic Acid/physiology; Female; Horse Diseases/*physiopathology; Horses; Humans; Male; Pheromones/physiology; Time Factors; Urination
Abstract In colts and fillies observed from birth to 24 weeks old, coprophagy occurred from Weeks 1 to 19. Its frequency was greatest during the first two months. Coprophagy was rarely observed in mares and stallions. Foals usually ate the faeces of their mother but were observed to eat their own and those of a stallion and another unrelated mare. Urination by the foal occurred before, during or after 26 per cent of the coprophagy incidents. It is hypothesised that foals may consume faeces in response to a maternal pheromone which signals the presence of deoxycholic acid or other acids which the foal may be deficient in and which it may require for gut immuno-competence myelination of the nervous system. Such a pheromone may also serve to accelerate growth and sexual maturation. Coprophagy may also provide nutrients and introduce normal bacterial flora to the gut.
Address
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:4038939 Approved no
Call Number refbase @ user @ Serial 55
Permanent link to this record