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Author |
Schmoldt, A.; Benthe, H.F.; Haberland, G. |
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Title |
Digitoxin metabolism by rat liver microsomes |
Type |
Journal Article |
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Year  |
1975 |
Publication |
Biochemical pharmacology |
Abbreviated Journal |
Biochem Pharmacol |
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Volume |
24 |
Issue |
17 |
Pages |
1639-1641 |
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Keywords |
Animals; Chromatography, Thin Layer; Digitoxigenin/metabolism; Digitoxin/*metabolism; Hydroxylation; Male; Microsomes, Liver/*metabolism; NADP/metabolism; Rats; Time Factors |
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0006-2952 |
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Notes |
PMID:10 |
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no |
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Call Number |
Admin @ knut @ |
Serial |
20 |
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Author |
Jallon, J.M.; Risler, Y.; Iwatsubo, M. |
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Title |
Beef liver L-Glutamate dehydrogenase mechanism: presteady state study of the catalytic reduction of 2.oxoglutarate by NADPH |
Type |
Journal Article |
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Year |
1975 |
Publication |
Biochemical and biophysical research communications |
Abbreviated Journal |
Biochem Biophys Res Commun |
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Volume |
67 |
Issue |
4 |
Pages |
1527-1536 |
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Keywords |
Animals; Cattle; Glutamate Dehydrogenase/*metabolism; Ketoglutaric Acids; Kinetics; Liver/*enzymology; Nadp; Oxidation-Reduction; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet |
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English |
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ISSN |
0006-291X |
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Notes |
PMID:1038 |
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no |
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Call Number |
Admin @ knut @ |
Serial |
21 |
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Author |
Hillidge, C.J.; Lees, P. |
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Title |
Cardiac output in the conscious and anaesthetised horse |
Type |
Journal Article |
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Year |
1975 |
Publication |
Equine veterinary journal |
Abbreviated Journal |
Equine Vet J |
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Volume |
7 |
Issue |
1 |
Pages |
16-21 |
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Keywords |
Anesthesia, Inhalation/*veterinary; Animals; Carbon Dioxide/blood; *Cardiac Output/veterinary; *Consciousness; Electrocardiography/veterinary; Ether, Ethyl; Female; Halothane; Heart Rate; Heart Ventricles/physiology; Horses/*physiology; Hydrogen-Ion Concentration; Male; Oxygen/blood; Posture |
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Abstract |
Cardiac output in the horse was measured before and at predetermined times during 2-hour periods of thiopentone-halothane and thiopentone-diethyl ether anaesthesia. Left ventricular stroke volume was decreased to a similar extent during anaesthesia with each volatile agent, but a greater reduction in cardiac output occurred during halothane anaesthesia. This finding reflected the differing effects of halothane and ether on heart rate, a slight bradycardia occurring with the former agent while ether produced a small degree of tachycardia. The latter effect was attributed to enhanced sympathoadrenal activity. Changes in cardiac output and stroke volume were considered in relation to other factors, including arterial blood pH and tensions of oxygen and carbon dioxide. Positive correlations between some of these variables and cardiac function were established. With both volatile agents the reductions in stroke volume and cardiac output were related to the duration of anaesthesia, being greatest during the early stages. Possible reasons for the tendency of stroke volume and cardiac output to return towards control levels are discussed. |
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ISSN |
0425-1644 |
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Notes |
PMID:234842 |
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no |
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Call Number |
refbase @ user @ |
Serial |
102 |
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Author |
Zentall, T.R; Hogan, D.E. |
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Title |
Key pecking in pigeons produced by pairing keylight with inaccessible grain |
Type |
Journal Article |
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Year |
1975 |
Publication |
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Abbreviated Journal |
J Exp Anal Behav |
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Volume |
23 |
Issue |
2 |
Pages |
199-206 |
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Abstract |
In Experiment I, keylight was paired with inaccessible grain delivery (under two conditions of keylight intensity) to determine if autoshaping would occur in the absence of primary reinforcement. In Experiment II, the procedure was repeated with accessible grain, for comparison. In Experiment III, the procedures were repeated with explicitly unpaired presentations of keylight and either inaccessible or accessible grain. The results indicated that key pecking occurred as quickly in the presence of keylight pairings with inaccessible grain as with accessible grain, though (except for one bird) key pecking was not maintained with inaccessible grain. Furthermore, compared to the dim keylight, the bright keylight greatly suppressed key pecking when paired with inaccessible grain, and reduced the rate of key pecking when paired with accessible grain. Little key pecking occurred in groups exposed to explicitly unpaired presentations of keylight (whether bright or dim) and grain (whether accessible or inaccessible). When the birds in Experiment III were retested with explicitly paired presentations of keylight and grain, little key pecking was observed, suggesting suppressive effects of prior explicitly unpaired presentations. It is suggested that the effects of key-brightness manipulation were produced by the association of grain with cues other than the response key, or by distraction produced by partial illumination of the grain hopper. |
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English |
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ISSN |
0022-5002 |
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Notes |
PMID:16811840 |
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no |
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Call Number |
refbase @ user @ |
Serial |
273 |
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Author |
Ayeni, J.S.O. |
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Title |
Utilization of waterholes in Tsavo National Park (East) |
Type |
Journal Article |
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Year |
1975 |
Publication |
African Journal of Ecology |
Abbreviated Journal |
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Volume |
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 |
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ISSN |
1365-2028 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
5364 |
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Author |
Douglas Rh, G.O. |
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Title |
Development of the equine fetus and placenta |
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Journal Article |
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Year |
1975 |
Publication |
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Abbreviated Journal |
J Reprod Fert (Suppl) |
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Volume |
23 |
Issue |
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Pages |
495-498 |
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Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
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Call Number |
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Serial |
1023 |
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Author |
Eisenmann V, |
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Title |
Nouvelles interpretations des restes d`équides de Nihowan Equus teilhardi Nov.Sp |
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Journal Article |
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Year |
1975 |
Publication |
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Abbreviated Journal |
Geobios |
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Volume |
8 |
Issue |
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Pages |
125-134 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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Call Number |
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Serial |
1047 |
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Author |
FRASER AF et al, |
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Title |
An exploratory ultrasonic study on quntitative foetal kinesis in the horse |
Type |
Journal Article |
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Year |
1975 |
Publication |
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Abbreviated Journal |
Appl Anim Ethol |
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Volume |
1 |
Issue |
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Pages |
395-404 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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Serial |
1093 |
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Author |
Imesh Gd, S.G. |
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Title |
Gross and microscopic observations of ovarian abnormalities from five Burchell's zebra |
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Journal Article |
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Year |
1975 |
Publication |
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Abbreviated Journal |
Onderstepoort J vet Res |
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Volume |
42 |
Issue |
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Pages |
109-116 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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Call Number |
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Serial |
1213 |
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Author |
Klingel, H. |
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Title |
Social organization and reproduction in equids |
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Journal Article |
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Year |
1975 |
Publication |
Journal of Reproduction and Fertility. Supplement |
Abbreviated Journal |
J Reprod Fertil Suppl |
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Volume |
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Issue |
23 |
Pages |
7-11 |
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Keywords |
Animals; Behavior, Animal; Female; Male; Perissodactyla/*physiology; Reproduction; *Sexual Behavior, Animal; Social Behavior; Territoriality |
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Abstract |
There are two distinct types of social organization and, accordingly, two types of mating systems in equids. In the horse, Plains zebra and Mountain zebra, the adults live in non-territorial and cohesive one-male groups and in stallion groups. The family stallions have exclusive mating rights which are respected by all others. In Grevy's zebra and in the African and Asiatic wild asses, the stallions are permanently territorial and have exclusive mating rights within their territories. Ecological and evolutionary aspects are discussed. |
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ISSN |
0449-3087 |
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Notes |
PMID:1060868 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2303 |
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