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Author |
Lees, P.; Tavernor, W.D. |
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Title |
Influence of halothane and catecholamines on heart rate and rhythm in the horse |
Type |
Journal Article |
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Year |
1970 |
Publication |
British journal of pharmacology |
Abbreviated Journal |
Br J Pharmacol |
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Volume |
39 |
Issue |
1 |
Pages |
149-159 |
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Keywords |
Anesthesia, Inhalation; Animals; Arrhythmia/*chemically induced; Atropine/pharmacology; Catecholamines/*pharmacology; Consciousness; Epinephrine/administration & dosage; Ethers; Female; Halothane/*pharmacology; Heart Rate/*drug effects; Horses; Hypercapnia/physiopathology; Isoproterenol/pharmacology; Male; Norepinephrine/pharmacology; Propranolol/pharmacology |
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0007-1188 |
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PMID:5420092 |
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Call Number |
refbase @ user @ |
Serial |
103 |
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Author |
Tavernor, W.D.; Lees, P. |
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Title |
A pharmacological investigation of the influence of suxamethonium on cardiac function in the horse |
Type |
Journal Article |
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Year |
1968 |
Publication |
Experientia |
Abbreviated Journal |
Experientia |
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Volume |
24 |
Issue |
6 |
Pages |
582-583 |
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Keywords |
Animals; Arrhythmia/chemically induced; Consciousness; Halothane; Heart/innervation; Heart Rate/*drug effects; Horses/*physiology; Oxygen; Propranolol/pharmacology; Receptors, Sensory/drug effects; Stimulation, Chemical; Succinylcholine/antagonists & inhibitors/*pharmacology; Sympathetic Nervous System/physiology; Tachycardia/chemically induced; Thiopental |
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0014-4754 |
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Notes |
PMID:5697737 |
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Call Number |
refbase @ user @ |
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104 |
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Author |
Crook, J.H. |
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Title |
On attributing consciousness to animals |
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Journal Article |
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Year |
1983 |
Publication |
Nature |
Abbreviated Journal |
Nature |
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Volume |
303 |
Issue |
5912 |
Pages |
11-14 |
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Keywords |
Animals; *Behavior, Animal; Cognition; *Consciousness; Evolution; Learning |
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0028-0836 |
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PMID:6843653 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2795 |
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Author |
Pennisi, E. |
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Title |
Are out primate cousins 'conscious'? |
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Year |
1999 |
Publication |
Science (New York, N.Y.) |
Abbreviated Journal |
Science |
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Volume |
284 |
Issue |
5423 |
Pages |
2073-2076 |
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Keywords |
Animals; *Behavior, Animal; Cebus; *Consciousness; Empathy; Humans; Instinct; Intelligence; Learning; *Mental Processes; Pan troglodytes; *Primates |
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0036-8075 |
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Notes |
PMID:10409060 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2843 |
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Author |
Kirkwood, J.K. |
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Title |
Animal minds and animal welfare |
Type |
Journal Article |
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Year |
2000 |
Publication |
The Veterinary Record |
Abbreviated Journal |
Vet. Rec. |
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Volume |
146 |
Issue |
11 |
Pages |
327 |
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Keywords |
*Animal Welfare; Animals; Animals, Domestic/*psychology; *Cognition; Consciousness; Veterinary Medicine/standards |
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ISSN |
0042-4900 |
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Notes |
PMID:10766123 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2856 |
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Author |
Gallup, G.G.J. |
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Title |
Do minds exist in species other than our own? |
Type |
Journal Article |
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Year |
1985 |
Publication |
Neuroscience and Biobehavioral Reviews |
Abbreviated Journal |
Neurosci Biobehav Rev |
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Volume |
9 |
Issue |
4 |
Pages |
631-641 |
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Keywords |
Animals; Awareness; *Behavior, Animal; Child Psychology; Child, Preschool; *Cognition; Consciousness; Evolution; Humans; Infant; Language; Pan troglodytes; Philosophy; Psychological Theory; Species Specificity |
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Abstract |
An answer to the question of animal awareness depends on evidence, not intuition, anecdote, or debate. This paper examines some of the problems inherent in an analysis of animal awareness, and whether animals might be aware of being aware is offered as a more meaningful distinction. A framework is presented which can be used to make a determination about the extent to which other species have experiences similar to ours based on their ability to make inferences and attributions about mental states in others. The evidence from both humans and animals is consistent with the idea that the capacity to use experience to infer the experience of others is a byproduct of self-awareness. |
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ISSN |
0149-7634 |
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Notes |
PMID:4080281 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2808 |
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Author |
Trim, C.M.; Moore, J.N.; Clark, E.S. |
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Title |
Renal effects of dopamine infusion in conscious horses |
Type |
Journal Article |
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Year |
1989 |
Publication |
Equine veterinary journal. Supplement |
Abbreviated Journal |
Equine Vet J Suppl |
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Volume |
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Issue |
7 |
Pages |
124-128 |
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Keywords |
Animals; Blood Pressure/drug effects/physiology; Consciousness/*physiology; Creatinine/blood; Dopamine/administration & dosage/*pharmacology; Dose-Response Relationship, Drug; Female; Heart Rate/drug effects/physiology; Horses/*physiology; Infusions, Intravenous/veterinary; Kidney/blood supply/*drug effects/physiology; Osmolar Concentration; Potassium/blood; Random Allocation; Regional Blood Flow/drug effects/physiology; Renal Artery/drug effects/physiology/ultrasonography; Sodium/blood; Time Factors; Ultrasonography/methods/veterinary; Urination/physiology |
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Abstract |
An ultrasonic flow probe was implanted around a branch of the left renal artery in five horses. The effects of dopamine were studied in the unsedated horses 10 days after surgery. Three experiments, separated by at least two days, were performed in random order on each horse. In two experiments, dopamine was infused intravenously for 60 mins at either 2.5 and 5.0 micrograms/kg bodyweight (bwt)/min. Saline was infused for 60 mins before and after each infusion, and for 180 mins in the third experiment as a control. Renal blood flow increased during administration of dopamine at both dose rates (P = 0.0001). Urine volume increased (P = 0.055), and osmolality decreased (P < 0.05), with infusion of dopamine at 5.0 micrograms/kg bwt/min. Arterial blood pressure and heart rate were not significantly affected. Fractional excretions of sodium and potassium were not significantly changed with dopamine infusion. The higher dopamine dose rate was accompanied by dysrhythmias in some horses. |
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Department of Large Animal Medicine, College of Veterinary Medicine, University of Georgia, Athens 30602, USA |
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Notes |
PMID:9118094 |
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no |
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Call Number |
refbase @ user @ |
Serial |
99 |
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Author |
Morton, D.B. |
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Title |
Self-consciousness and animal suffering |
Type |
Journal Article |
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Year |
2000 |
Publication |
Biologist (London, England) |
Abbreviated Journal |
Biologist (London) |
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Volume |
47 |
Issue |
2 |
Pages |
77-80 |
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Keywords |
Animal Population Groups/*psychology; Animal Welfare/*standards; Animals; Behavior, Animal; *Consciousness; Dogs; *Ego; Horses/psychology; Pain/psychology/*veterinary; Pan troglodytes/psychology; Parrots; Pongo pygmaeus/psychology; Self Concept |
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Abstract |
Animals with relatively highly developed brains are likely to experience some degree of self-awareness and the ability to think. As well as being interesting in its own right, self-consciousness matters from an ethical point of view, since it can give rise to forms of suffering above and beyond the immediate physical sensations of pain or distress. This article surveys the evidence for animal self-consciousness and its implications for animal welfare. |
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Address |
Division of Primary Care, Public and Occupational Health, School of Medicine, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK. d.b.morton@bham.ac.uk |
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ISSN |
0006-3347 |
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Notes |
PMID:11190233 |
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no |
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Call Number |
refbase @ user @ |
Serial |
618 |
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Author |
Grubb, T.L.; Foreman, J.H.; Benson, G.J.; Thurmon, J.C.; Tranquilli, W.J.; Constable, P.D.; Olson, W.O.; Davis, L.E. |
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Title |
Hemodynamic effects of calcium gluconate administered to conscious horses |
Type |
Journal Article |
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Year |
1996 |
Publication |
Journal of veterinary internal medicine / American College of Veterinary Internal Medicine |
Abbreviated Journal |
J Vet Intern Med |
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Volume |
10 |
Issue |
6 |
Pages |
401-404 |
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Keywords |
Animals; Blood Pressure/drug effects/physiology; Calcium/blood; Calcium Gluconate/administration & dosage/*pharmacology; Cardiac Output/drug effects/physiology; Consciousness/*physiology; Dose-Response Relationship, Drug; Female; Heart Rate/drug effects/physiology; Hemodynamic Processes/*drug effects/physiology; Horses/blood/*physiology; Infusions, Intravenous; Male; Myocardial Contraction/drug effects/physiology; Respiration/drug effects/physiology; Stroke Volume/drug effects/physiology; Time Factors |
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Abstract |
Calcium gluconate was administered to conscious horses at 3 different rates (0.1, 0.2, and 0.4 mg/kg/min for 15 minutes each). Serum calcium concentrations and parameters of cardiovascular function were evaluated. All 3 calcium administration rates caused marked increases in both ionized and total calcium concentrations, cardiac index, stroke index, and cardiac contractility (dP/dtmax). Mean arterial pressure and right atrial pressure were unchanged; heart rate decreased markedly during calcium administration. Ionized calcium concentration remained between 54% and 57% of total calcium concentration throughout the study. We conclude that calcium gluconate can safely be administered to conscious horses at 0.1 to 0.4 mg/kg/min and that administration will result in improved cardiac function. |
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Department of Veterinary Clinical Medicine, University of Illinois at Urbana-Champaign, USA |
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ISSN |
0891-6640 |
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Notes |
PMID:8947873 |
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no |
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Call Number |
refbase @ user @ |
Serial |
97 |
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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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Edition |
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0425-1644 |
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Notes |
PMID:234842 |
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Call Number |
refbase @ user @ |
Serial |
102 |
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