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Author Klingel H,
Title (up) Eine feine Gesellschaft. Type Journal Article
Year 1977 Publication GEo Abbreviated Journal GEo
Volume 10 Issue Pages 106-120
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Notes from Professor Hans Klingels Equine Reference List Approved no
Call Number Serial 1310
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Author Alexander, R, MCN et al
Title (up) Fast locomotion of some african ungulates Type Journal Article
Year 1977 Publication Journal of Zoology Abbreviated Journal J Zool
Volume 183 Issue 3 Pages 291-300
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Abstract ABSTRACT

Ten species of ungulate were filmed, galloping in their natural habitat. They ranged in size from Thomson's gazelle (about 20 kg) to giraffe (about 1000 kg). They were pursued to make them run as fast as possible. The films have been analysed to determine speed, stride frequency, stride and step lengths, and duty factors. The dependence of these quantities on body size is discussed.



Summary:

Fast locomotion of zebra, giraffe, warthog and seven species of Bovidae has been studied. The animals were filmed from a pursuing vehicle while galloping in their natural habitat.

Stride frequency was more closely correlated with limb length (represented by hip height) than with body mass. Mean stride frequency was proportional to (hip height)-0·51 and maximum stride frequency to (hip height) -0·63.

Maximum speed was between 10 and 14 m s -1 for all species except buffalo (7 m s -1). It was not significantly correlated with body mass.

Since the small species ran at least as fast as the large ones they attained higher Froude numbers. Relative stride length was approximately 1·8 (Froude number)0·39 for all species, irrespective of size. Relative step length was approximately 0·65 (Froude number)0·2, both for the fore feet and for the hind ones. The vertical forces exerted by the feet are proportional to (body weight)×(Froude number)0·2 so the forces at maximum speed are larger multiples of body weight for small species than for large ones.
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Notes from Prof. Hans Klingels Equine Reference List Approved no
Call Number refbase @ user @ Serial 130
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Author Olsen Fw, H.R.
Title (up) Food relations of wild free – roaming horses to livestock and big game, Red Desert, Wyoming Type Journal Article
Year 1977 Publication Abbreviated Journal J Range Mgmt
Volume 30 Issue Pages 17-20
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Notes from Professor Hans Klingels Equine Reference List Approved no
Call Number Serial 1436
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Author HANSEN et al,
Title (up) Foods of wild horses, deer and cattle in the Douglas Mountain Area, Colorado Type Journal Article
Year 1977 Publication 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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Author PICKETT BW et al,
Title (up) Impotence and abnormal sexual behavior in the stallion Type Journal Article
Year 1977 Publication Abbreviated Journal Theriogenology
Volume 8 Issue Pages 329-347
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Notes from Professor Hans Klingels Equine Reference List Approved no
Call Number Serial 1469
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Author Kihara, H.; Nakatani, H.; Hiromi, K.; Hon-Nami, K.
Title (up) 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 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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Language English Summary Language Original Title
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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 Kihara, H.; Nakatani, H.; Hiromi, K.; Hon-Nami, K.; Oshima, T.
Title (up) 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 Biochimica et Biophysica Acta (BBA) – Bioenergetics Abbreviated Journal
Volume 460 Issue 3 Pages 480-489
Keywords
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. 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) [up triangle, open]Hox++ of cytochrome c-552 is considerably lower than that of horse heart cytochrome c. (3) [up triangle, open]Hox++ and [up triangle, open]Sred++ of cytoochrome 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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Notes Approved no
Call Number refbase @ user @ Serial 3986
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Author Kratzer, D.D.; Netherland, W.M.; Pulse, R.E.; Baker, J.P.
Title (up) Maze Learning in Quarter Horses Type Journal Article
Year 1977 Publication Journal of Animal Science Abbreviated Journal J. Anim Sci.
Volume 45 Issue 4 Pages 896-902
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Abstract A two-compartment maze providing a single left- or right-side choice was used to test maze-learning ability in 37 quarter horses. Preference for left- or right-side choices varied among the horses. The taller and thinner horses tended to go left. The horses showed learning ability based on decreases in latency and decreases in errors as trials progressed in a right-side escape pattern. The rate of learning an opposite escape pattern, left-side escape, was faster but owing to the large number of errors occurring when the pattern was reversed, the level of errors did not reduce to a level comparable to that achieved in the right-side escape pattern until adverse stimuli were presented in the blind compartment. Heavier horses took longer to escape from the maze when adverse stimuli were presented. Differences in learning ability for horses fed various levels of dietary protein were not consistent. N1 -
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Notes Approved no
Call Number Equine Behaviour @ team @ Serial 3574
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Author Schulman AH; Kaplowitz C
Title (up) Mirror image response during the first two years of life Type Journal Article
Year 1977 Publication Dev. Psychobiol. Abbreviated Journal
Volume 10 Issue Pages 133
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Notes Approved no
Call Number Equine Behaviour @ team @ Serial 3039
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Author Monfort, A.; Monfort, N
Title (up) Observation of a melanistic zebra (Equus burchelli) in the Akagera Type Journal Article
Year 1977 Publication E. Afr. Wildl Abbreviated Journal E. Afr. Wildl
Volume 15 Issue Pages 173
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Notes Approved no
Call Number Equine Behaviour @ team @ Serial 2389
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