| Records |
| Author |
Western D, |
| Title |
Water availability and its influence on the structure and dynamics of a savannah large mammal community |
Type |
Journal Article |
| Year |
1975 |
Publication |
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Abbreviated Journal  |
E Afr Wildl J 1 |
| Volume |
3 |
Issue |
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Pages |
265-288 |
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Place of Publication |
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Edition |
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ISBN |
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Medium |
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Expedition |
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Conference |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
| Call Number |
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Serial |
1704 |
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| Author |
Hillidge, C.J.; Lees, P. |
| Title |
Cardiac output in the conscious and anaesthetised horse |
Type |
Journal Article |
| Year |
1975 |
Publication |
Equine veterinary journal |
Abbreviated Journal |
Equine Vet J |
| Volume |
7 |
Issue |
1 |
Pages |
16-21 |
| 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 |
| 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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English |
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Series Issue |
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Edition |
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| ISSN |
0425-1644 |
ISBN |
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Medium |
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Expedition |
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Conference |
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| Notes |
PMID:234842 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
102 |
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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 |
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Abbreviated Journal |
Geobios |
| Volume |
8 |
Issue |
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Pages |
125-134 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
| Call Number |
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Serial |
1047 |
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| Author |
Zentall, T.R; Hogan, D.E. |
| Title |
Key pecking in pigeons produced by pairing keylight with inaccessible grain |
Type |
Journal Article |
| Year |
1975 |
Publication |
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Abbreviated Journal |
J Exp Anal Behav |
| 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 |
Summary Language |
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Series Issue |
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Edition |
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| ISSN |
0022-5002 |
ISBN |
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Medium |
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Expedition |
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Conference |
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| Notes |
PMID:16811840 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
273 |
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| Author |
Mitchell, D.; Kirschbaum, E.H.; Perry, R.L. |
| Title |
Effects of neophobia and habituation on the poison-induced avoidance of exteroceptive stimuli in the rat |
Type |
Journal Article |
| Year |
1975 |
Publication |
Journal of Experimental Psychology. Animal Behavior Processes |
Abbreviated Journal |
J Exp Psychol Anim Behav Process |
| Volume |
1 |
Issue |
1 |
Pages |
47-55 |
| Keywords |
Animals; Avoidance Learning/*drug effects; *Awareness; *Cognition; Conditioning, Operant; Feeding Behavior/drug effects; *Habituation, Psychophysiologic; Injections, Intraperitoneal; Lithium/administration & dosage/poisoning; Male; Rats; *Taste; Time Factors; *Visual Perception |
| Abstract |
Two experiments on the role of neophobia in poison-induced aversions to exteroceptive stimuli are reported. In Experiment 1, rats were given either 10 or 25 days of habituation to the test situation prior to conditioning. Those animals with the longer habituation period avoided a complex of novel exteroceptive stimuli while those with the shorter habituation period did not. In Experiment 2 rats initially avoided the more novel of two containers, but gradually came to eat equal amounts from both. A single pairing of toxicosis with consumption from either the novel or the familiar container reinstated the avoidance of the novel container in both cases. The results were discussed in terms of an interaction between habituation and conditioning procedures. It was suggested that previously reported differences between interoceptive and exteroceptive conditioning effects may have been influenced by the differential novelty of the two classes of stimuli in the test situation. It was further suggested that non-contingently poisoned control groups should routinely be included in poison avoidance conditioning studies. |
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English |
Summary Language |
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Series Title |
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Abbreviated Series Title |
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Series Issue |
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Edition |
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| ISSN |
0097-7403 |
ISBN |
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Conference |
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| Notes |
PMID:1151289 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2791 |
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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 |
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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English |
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Original Title |
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Series Title |
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Edition |
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| ISSN |
0022-2585 |
ISBN |
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Conference |
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| Notes |
PMID:808617 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2704 |
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| Author |
Douglas Rh, G.O. |
| Title |
Development of the equine fetus and placenta |
Type |
Journal Article |
| Year |
1975 |
Publication |
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Abbreviated Journal |
J Reprod Fert (Suppl) |
| Volume |
23 |
Issue |
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Pages |
495-498 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
| Call Number |
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Serial |
1023 |
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| Author |
Niekerk Van Ch, A.W. |
| Title |
Early embryonic development in the horse |
Type |
Journal Article |
| Year |
1975 |
Publication |
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Abbreviated Journal |
J Reprod Fert Suppl |
| Volume |
23 |
Issue |
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Pages |
495-498 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
| Call Number |
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Serial |
1417 |
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| Author |
Pickett Bw, V.J. |
| Title |
Abnormalities of mating behaviour in domestic stallions |
Type |
Journal Article |
| Year |
1975 |
Publication |
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Abbreviated Journal |
J Reprod Fert Suppl |
| Volume |
23 |
Issue |
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Pages |
129-134 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
| Call Number |
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Serial |
1470 |
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| Author |
Short Rv, |
| Title |
The evolution of the horse |
Type |
Journal Article |
| Year |
1975 |
Publication |
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Abbreviated Journal |
J Reprod Fert Suppl |
| Volume |
23 |
Issue |
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Pages |
1-6 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
| Call Number |
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Serial |
1589 |
| Permanent link to this record |
