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Author Kihara, H.; Nakatani, H.; Hiromi, K.; Hon-Nami, K.
Title Kinetic studies on redox reactions of hemoproteins. I. Reduction of thermoresistant cytochrome c-552 and horse heart cytochrome c by ferrocyanide Type Journal Article
Year 1977 Publication (down) Biochimica et Biophysica Acta Abbreviated Journal Biochim Biophys Acta
Volume 460 Issue 3 Pages 480-489
Keywords Animals; Bacteria; *Cytochrome c Group; *Ferrocyanides; Horses; Kinetics; Mathematics; Oxidation-Reduction; Spectrophotometry; Spectrophotometry, Ultraviolet; Temperature; Thermodynamics
Abstract The oxidation-reduction reaction of horse heart cytochrome c and cytochrome c (552, Thermus thermophilus), which is highly thermoresistant, was studied by temperature-jump method. Ferrohexacyanide was used as reductant. (Formula: see text.) Thermodynamic and activation parameters of the reaction obtained for both cytochromes were compared with each other. The results of this showed that (1) the redox potential of cytochrome c-552, + 0.19 V, is markedly less than that of horse heart cytochrome c. (2) deltaHox of cytochrome c-552 is considerably lower than that of horse heart cytochrome c. (3) deltaSox and deltaSred of cytochrome c-552 are more negative than those of horse heart cytochrome c. (4) kred of cytochrome c-552 is much lower than that of horse heart cytochrome c at room temperature.
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ISSN 0006-3002 ISBN Medium
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Notes PMID:195599 Approved no
Call Number Equine Behaviour @ team @ Serial 3815
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Author Berger, J.
Title Organizational systems and dominance in feral horses in the Grand Canyon Type Journal Article
Year 1977 Publication (down) Behavioral Ecology and Sociobiology Abbreviated Journal Behav. Ecol. Sociobiol.
Volume 2 Issue 2 Pages 131-146
Keywords
Abstract 1. Several aspects of the behavioral ecology of feral horses (Equus caballus) were studied in Grand Canyon, Arizona, USA. Most bands contained three to five horses that included one stallion and his harem. Males that did not obtain a harem remained solitary. Throughout the study bands remained stable in composition.

2. Home ranges for all bands decreased in size in successive warm months, probably due to increased ambient temperature and drought. This resulted in greater utilization of spring areas that led to increased interband confrontation and agonistic display.

3. Territoriality was not observed in individual horses or bands, but bands hierarchial in both inter- and intraband structures. Interband stallion dominance was reinforced through posturing and fighting. Intraband hierarchies, as determined by dominance coefficients, were independent of individual size in three of four bands.

4. Indexes of nervousness (NER), calculated while horses were drinking, showed that stallions were less nervous than mares. A low NER was correlated with individuals leading toward drinking areas, whereas a high NER existed in individuals initiating flight although no single horse acted consistently as a leader.

5. Diurnal activity patterns were correlated with ambient temperatures.
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Notes Approved no
Call Number refbase @ user @ Serial 748
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Author Levy, J.
Title The mammalian brain and the adaptive advantage of cerebral asymmetry Type Journal Article
Year 1977 Publication (down) Annals of the New York Academy of Sciences Abbreviated Journal Ann N Y Acad Sci
Volume 299 Issue Pages 264-272
Keywords *Adaptation, Physiological; Adaptation, Psychological/physiology; Animals; Behavior, Animal/physiology; Brain/*physiology; Cognition/physiology; Dominance, Cerebral/*physiology; *Evolution; Humans; Intelligence; Perception/physiology
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Language English Summary Language Original Title
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ISSN 0077-8923 ISBN Medium
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Notes PMID:280207 Approved no
Call Number Equine Behaviour @ team @ Serial 4137
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Author Knill, L.M.; Eagleton, R.D.; Harver, E.
Title Physical optics of the equine eye Type Journal Article
Year 1977 Publication (down) American Journal of Veterinary Research Abbreviated Journal Am J Vet Res
Volume 38 Issue 6 Pages 735-737
Keywords visual system function; Ocular Physiology
Abstract The equine eye was treated as a general lens system and calculations were done to determine image position in relation to the retina for objects at a distance of infinity, 100 m, and 1 m. The retina is 19.1 mm behind the posterior surface of the lens; therefore, the image appears 14.6 mm posterior to the retina at infinity and at 100 m, and 16.3 mm at 1-m distance on a horizontal axis. The animals studied were hyperopic. It is evident that the horse must move its head or eye, or both, for optimal visual acuity. At the same time, some objects in the total field of vision are imperceptible or indistinct.
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ISSN 00029645 (Issn) ISBN Medium
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Notes Cited By (since 1996): 1; Export Date: 15 May 2007; Source: Scopus; Language of Original Document: English; Correspondence Address: Knill, L.M. Approved no
Call Number refbase @ user @ Serial 852
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Author Bard Jbl,
Title A unity underlying the different zebra stripping patterns Type Journal Article
Year 1977 Publication (down) Abbreviated Journal J Zool Lond
Volume 183 Issue Pages 527-539
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Notes from Professor Hans Klingels Equine Reference List Approved no
Call Number Serial 923
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Author Bouman Jg,
Title The future of Przewalski horses Type Journal Article
Year 1977 Publication (down) Abbreviated Journal Int Zoo Yearbook
Volume 17 Issue Pages 62-68
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Notes from Professor Hans Klingels Equine Reference List Approved no
Call Number Serial 953
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Author Fagen Rm, G.T.
Title Play behavior and exercise in young ponies Type Journal Article
Year 1977 Publication (down) Abbreviated Journal Behav Ecol Sociobiol
Volume 2 Issue Pages 267-269
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Notes from Professor Hans Klingels Equine Reference List Approved no
Call Number Serial 1077
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Author Fretz Pb,
Title Behavioral virilization in a brood mare Type Journal Article
Year 1977 Publication (down) Abbreviated Journal Appl Anim Ethol
Volume 3 Issue Pages 277-280
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Notes from Professor Hans Klingels Equine Reference List Approved no
Call Number Serial 1097
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Author Green Nf, G.H.
Title The wild horse population.... Type Journal Article
Year 1977 Publication (down) Abbreviated Journal Proc National Wild Horse Forum
Volume 1 Issue Pages 59-65
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Notes from Professor Hans Klingels Equine Reference List Approved no
Call Number Serial 1125
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Author HANSEN et al,
Title Foods of wild horses, deer and cattle in the Douglas Mountain Area, Colorado Type Journal Article
Year 1977 Publication (down) Abbreviated Journal J Range Mgmt
Volume 30 Issue Pages 116-118
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Notes from Professor Hans Klingels Equine Reference List Approved no
Call Number Serial 1158
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