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Author Smuts Gl,
Title Pre – and postnatal growth phenomena of Burchell's Zebra, Equus Burchelli Antiquorum Type Journal Article
Year 1975 Publication Abbreviated Journal Koedoe
Volume (down) 18 Issue Pages 69-102
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Notes from Professor Hans Klingels Equine Reference List Approved no
Call Number Serial 1613
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Author Montagu I,
Title The wild ass of Africa Type Journal Article
Year 1975 Publication Abbreviated Journal Wild Life
Volume (down) 17 Issue Pages 400-401
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Notes from Professor Hans Klingels Equine Reference List Approved no
Call Number Serial 1409
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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 (down) 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.
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Language English Summary Language Original Title
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ISSN 0042-6989 ISBN Medium
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Notes PMID:1210017 Approved no
Call Number Equine Behaviour @ team @ Serial 3647
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Author Dunn, M.F.; Branlant, G.
Title Roles of zinc ion and reduced coenzyme in horse liver alcohol dehydrogenase catalysis. The mechanism of aldehyde activation Type Journal Article
Year 1975 Publication Biochemistry Abbreviated Journal Biochemistry
Volume (down) 14 Issue 14 Pages 3176-3182
Keywords *Alcohol Oxidoreductases/metabolism; Aldehydes/*pharmacology; Animals; Binding Sites; Enzyme Activation/drug effects; Horses; Hydrogen-Ion Concentration; Kinetics; Liver/enzymology; *NAD/analogs & derivatives/pharmacology; Oxidation-Reduction; Protein Binding; Spectrophotometry; Spectrophotometry, Ultraviolet; Temperature; *Zinc/pharmacology
Abstract 1,4,5,6-Tetrahydronicotinamide adenine dinucleotide (H2NADH) has been investigated as a reduced coenzyme analog in the reaction between trans-4-N,N-dimethylaminocinnamaldehyde (I) (lambdamax 398 nm, epsilonmax 3.15 X 10-4 M-minus 1 cm-minus 1) and the horse liver alcohol dehydrogenase-NADH complex. These equilibrium binding and temperature-jump kinetic studies establish the following. (i) Substitution of H2NADH for NADH limits reaction to the reversible formation of a new chromophoric species, lambdamax 468 nm, epsilonmax 5.8 x 10-4 M-minus 1 cm-minus 1. This chromophore is demonstrated to be structurally analogous to the transient intermediate formed during the reaction of I with the enzyme-NADH complex [Dunn, M. F., and Hutchison, J. S. (1973), Biochemistry 12, 4882]. (ii) The process of intermediate formation with the enzyme-NADH complex is independent of pH over the range 6.13-10.54. Although studies were limited to the pH range 5.98-8.72, a similar pH independence appears to hold for the H2NADH system. (iii) Within the ternary complex, I is bound within van der Waal's contact distance of the coenzyme nicotinamide ring. (iv) Formation of the transient intermediate does not involve covalent modification of coenzyme. Based on these findings, we conclude that zinc ion has a Lewis acid function in facilitating the chemical activation of the aldehyde carbonyl for reduction, and that reduced coenzyme plays a noncovalent effector role in this substrate activating step.
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ISSN 0006-2960 ISBN Medium
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Notes PMID:238585 Approved no
Call Number Equine Behaviour @ team @ Serial 3817
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Author Ayeni, J.S.O.
Title Utilization of waterholes in Tsavo National Park (East) Type Journal Article
Year 1975 Publication African Journal of Ecology Abbreviated Journal
Volume (down) 13 Issue 3-4 Pages 305-323
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Abstract Summary Utilization of waterholes by wildlife was studied between April, 1973 and July, 1974 in Tsavo National Park (East), south of the Voi river. Seasonality was an important factor which influenced the various aspects of waterhole utilization. The numbers of the herbivores utilizing the waterholes increased during the dry season but fell during the rains. Some ungulates also moved near to the artificial waterholes in the dry season but moved away from them during the rains when they drank from natural water-holes formed in clay pans filled with rain water. A basic pattern of waterhole utilization dominated by small (adult-size) species during day-time 06.00–18.00 hours and larger species at night 18.00–06.00 hours is described. The separation in times of arrival and deparature peaks of waterhole utilization, and average coincidence of percentages of paired species populations are used to show that big-game attained a measure of time-spaced ecological separation at the waterholes. The water relations of some day-time and night-time drinkers are discussed. From the baseline study the management implications of the development of additional waterholes in the park are discussed.
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Publisher Blackwell Publishing Ltd Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
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ISSN 1365-2028 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number Equine Behaviour @ team @ Serial 5364
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Author Leuthold W, L.B.
Title Temporal patterns of reproduction in ungulates of Tsavo East National Park Kenya Type Journal Article
Year 1975 Publication Abbreviated Journal E Afr Wildl J
Volume (down) 13 Issue Pages 159-170
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Notes from Professor Hans Klingels Equine Reference List Approved no
Call Number Serial 1345
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Author Owaga Ml,
Title The feeding ecology of wildbeest and zebra in Athi – Kaputei plains Type Journal Article
Year 1975 Publication Abbreviated Journal E Afr Wildl J
Volume (down) 13 Issue Pages 375-384
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Notes from Professor Hans Klingels Equine Reference List Approved no
Call Number Serial 1445
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Author Nelson, W.A.; Keirans, J.E.; Bell, J.F.; Clifford, C.M.
Title Host-ectoparasite relationships Type Journal Article
Year 1975 Publication Journal of Medical Entomology Abbreviated Journal J Med Entomol
Volume (down) 12 Issue 2 Pages 143-166
Keywords Animal Nutrition Physiology; Animals; Anoplura/physiology; *Arthropods; Birds/parasitology; Chickens/parasitology; Dermacentor/parasitology; Diptera; Ecology; Feeding Behavior; Female; Horses/parasitology; Humans; Male; Mallophaga/physiology; Mice/parasitology; Mites/physiology; Reproduction; Sarcoptes scabiei/physiology; Sheep/parasitology; Skin/parasitology; Ticks/physiology; Toxins, Biological/toxicity; Trombiculidae/physiology
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Language English Summary Language Original Title
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ISSN 0022-2585 ISBN Medium
Area Expedition Conference
Notes PMID:808617 Approved no
Call Number Equine Behaviour @ team @ Serial 2704
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Author Eisenmann V,
Title Nouvelles interpretations des restes d`équides de Nihowan Equus teilhardi Nov.Sp Type Journal Article
Year 1975 Publication Abbreviated Journal Geobios
Volume (down) 8 Issue Pages 125-134
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Notes from Professor Hans Klingels Equine Reference List Approved no
Call Number Serial 1047
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Author Wang, L.Y.
Title Host preference of mosquito vectors of Japanese encephalitis Type Journal Article
Year 1975 Publication Zhonghua Minguo wei Sheng wu xue za zhi = Chinese Journal of Microbiology Abbreviated Journal Zhonghua Min Guo Wei Sheng Wu Xue Za Zhi
Volume (down) 8 Issue 4 Pages 274-279
Keywords Animals; *Behavior, Animal; Birds/blood; *Culex; Ecology; Encephalitis, Japanese/*transmission; *Feeding Behavior; Female; Humans; *Insect Vectors; Mammals/blood; Species Specificity; Taiwan
Abstract The host preference of 4 Culex mosquito species collected in Miaoli and Pingtung counties, Taiwan was studied by capillary precipitin method. Antisera to alum-precipitated sera of man, bovine, swine, rabbit, horse, dog, cat, mouse, chicken, duck, and pigeon were produced in rabbits and reacted with 758 mosquito blood meals among which reactions to one or more antisera. Culex annulus and Culex tritaeniorhynchus summorosus showed a great avidity for pig, and Culex fuscocephala for bovine. Culex pipiens fatigans was ornithophilic. None of 110 C. t. summorosus and 2.4% of 223 C. annulus had fed on man. Among 66 samples of C.p. fatigans tested 10.3% had fed on man, while none of 359 C. fuscocephala did. It seems that the latter does not act as a primary vector of Japanese encephalitis.
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ISSN 0009-4587 ISBN Medium
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Notes PMID:181218 Approved no
Call Number Equine Behaviour @ team @ Serial 2702
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