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Author  |
Bell, F.R. |
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Title |
Sleep in the larger domesticated animals |
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Journal Article |
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Year |
1972 |
Publication |
Proceedings of the Royal Society of Medicine |
Abbreviated Journal |
Proc R Soc Med |
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Volume |
65 |
Issue |
2 |
Pages |
176-177 |
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Keywords |
Animals; Cattle/*physiology; Dreams; Electroencephalography; Goats/*physiology; Horses/*physiology; Posture; Sheep/*physiology; *Sleep; Sleep, REM |
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English |
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0035-9157 |
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PMID:4343589 |
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Call Number |
Equine Behaviour @ team @ |
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2826 |
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Author |
Crowell-Davis, S.L. |
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Title |
Daytime rest behavior of the Welsh pony (Equus caballus) mare and foal |
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Journal Article |
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Year |
1994 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
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Volume |
40 |
Issue |
3-4 |
Pages |
197-210 |
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Keywords |
Horse; Behavior; Rest; Sleep; Pony; Foal |
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Abstract |
Upright and recumbent rest of 15 Welsh pony foals and their mothers was studied over a 2 year period. During their first week of life, the foals spent 32% of the time in recumbent rest. Subsequently, the percentage of time spent in recumbent rest decreased, but was still greater than for the foal's mother by Week 21, when the foals spent 6.5% of their time in recumbent rest. Adults spent little time in recumbent rest. Foals rested upright only 3.5% of the time during their first week of life. Mares rested upright more than foals did to Week 13, at which time peak values for time spent in upright rest occurred for both mares (32.5%) and foals (23%). Subsequently, mares and foals spent equal, but decreasing, amounts of time resting upright. The total time spent resting by the foals decreased gradually, and was characterized by a transition from recumbent rest to upright rest. Foals were more likely to be resting, either recumbent or upright, if their mother was resting upright. During the late spring, summer, and early autumn, mares and foals were most likely to be resting upright between 09:00 and 17:00 h. |
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Equine Behaviour @ team @ |
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2269 |
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Author |
Fuchs, C.; Kiefner, C.; Erhard, M.; Wöhr, A.C. |
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Title |
Narcolepsy – or REM-deficient? |
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Conference Article |
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Year |
2015 |
Publication |
Proceedings of the 3. International Equine Science Meeting |
Abbreviated Journal |
Proc. 3. Int. Equine. Sci. Mtg |
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narcolepsy, cataplexy, polysomnography, REM-sleep deficiency |
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Narcolepsy is a neurological sleep disorder characterized by excessive daytime sleepiness, cataplexy (loss of muscle tone), sleep paralysis and hypnagogic hallucinations, also called the „tetrad of narcolepsy“. Although the pathogenesis is not completely understood, the disorder is well described in humans and it has been shown that a lack of the hormone hypocretin (orexin) synthesized in the hypothalamus is crucial. Narcolepsy with cataplectic attacks has also been reported in dogs, horses, cattle (STRAIN et al., 1984) and a lamb (WHITE und DE LAHUNTA, 2001).
In dogs up to 17 breeds have been shown to be affected sporadically, while familial forms occur in dobermans, labrador retrievers and dachshounds (TONOKURA et al., 2007). In horses there appear to be two syndroms (HINES, 2005), the first in which animals are affected within a few days after birth (possibly a familial form, reported in Suffolk, Shetland ponies, Fell ponies, Warmbloods, Miniature Horse foals (MAYHEW, 2011), Lipizzaner (LUDVIKOVA et al., 2012) and Icelandic horses (BATHEN‐NÖTHEN et al., 2009)) and the second in which animals are affected as adults (adult-onset narcolepsy).
It has been shown that both forms of canine narcolepsy are associated with a deficit in hypocretin/orexin neurotransmission (LIN et al., 1999). In the horse a similar etiology is suspected, but so far there are no studies to support this hypothesis.
The cataplectic attacks in humans and dogs occur during excitement or emotional stimulation such as laughing in humans or eating and playing in dogs. In contrast, the cataplectic or sleep attacks in adult horses happen almost exclusively while resting. The collapses observed in equines vary from drowsiness with hanging of the head, swaying, buckling at the knees or total collapse (see fig.1). Affected horses often show injuries and scars at the dorsal fetlocks, dorsal knees or at the face and the lips. ALEMAN et al. (2008) describe some of the suspected adult-onset narcolepsy cases as possible examples of sporadic idiopathic hypersomnia instead of true narcolepsy. |
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Fuchs, C. |
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Call Number |
Equine Behaviour @ team @ |
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5871 |
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Author |
Hendricks, J.C.; Morrison, A.R. |
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Title |
Normal and abnormal sleep in mammals |
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Journal Article |
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Year |
1981 |
Publication |
Journal of the American Veterinary Medical Association |
Abbreviated Journal |
J Am Vet Med Assoc |
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178 |
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2 |
Pages |
121-126 |
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Keywords |
Animals; Cat Diseases/physiopathology; Cats; Cattle; Dog Diseases/physiopathology; Dogs; Dreams; Horses/physiology; Humans; Narcolepsy/physiopathology/veterinary; Sleep/*physiology; Sleep Apnea Syndromes/physiopathology/veterinary; Sleep Disorders/physiopathology/*veterinary; Sleep, REM/physiology |
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0003-1488 |
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PMID:7204232 |
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refbase @ user @ |
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101 |
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Author |
Henson, S.M.; Dennis, B.; Hayward, J.L.; Cushing, J.M.; Galusha, J.G. |
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Title |
Predicting the dynamics of animal behaviour in field populations |
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Journal Article |
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Year |
2007 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
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74 |
Issue |
1 |
Pages |
103-110 |
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colony occupancy; differential equation; dynamic modelling; glaucous-winged gull; habitat ecology; Larus glaucescens; mathematical modelling; sleep; territory attendance |
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Many species show considerable variation in behaviour among individuals. We show that some behaviours are largely deterministic and predictable with mathematical models. We propose a general differential equation model of behaviour in field populations and use the methodology to explain and predict the dynamics of sleep and colony attendance in seabirds as a function of environmental factors. Our model explained over half the variability in the data to which it was fitted, and it predicted the dynamics of an independent data set. Differential equation models may provide new approaches to the study of behaviour in animals and humans. |
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Equine Behaviour @ team @ |
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4206 |
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Author |
Houpt, K.A. |
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Title |
Animal behavior as a subject for veterinary students |
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Journal Article |
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Year |
1976 |
Publication |
The Cornell veterinarian |
Abbreviated Journal |
Cornell Vet |
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66 |
Issue |
1 |
Pages |
73-81 |
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Keywords |
Aggression; Animals; *Behavior, Animal; Cats; Chickens; Dogs; Education, Veterinary; Goats; Horses; Humans; Maternal Behavior; Mice; New York; Sexual Behavior, Animal; Sheep; Sleep; Social Behavior; Social Dominance; Swine |
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Knowledge of animal behavior is an important asset for the veterinarian; therefore a course in veterinary animal behavior is offered at the New York State College of Veterinary Medicine as an elective. The course emphasizes the behavior of those species of most interest to the practicing veterinarian: cats, dogs, horses, cows, pigs and sheep. Dominance heirarchies, animal communication, aggressive behavior, sexual behavior and maternal behavior are discussed. Play, learning, diurnal cycles of activity and sleep, and controls of ingestive behavior are also considered. Exotic and zoo animal behaviors are also presented by experts in these fields. The critical periods of canine development are related to the optimum management of puppies. The behavior of feral dogs and horses is described. The role of the veterinarian in preventing cruelty to animals and recognition of pain in animals is emphasized. Whenever possible behavior is observed in the laboratory or on film. |
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0010-8901 |
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PMID:767053 |
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refbase @ user @ |
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61 |
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Author |
Staunton, H. |
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Title |
Mammalian sleep |
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Journal Article |
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Year |
2005 |
Publication |
Die Naturwissenschaften |
Abbreviated Journal |
Naturwissenschaften |
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Volume |
92 |
Issue |
5 |
Pages |
203-220 |
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Keywords |
Animals; Brain/*physiology; Dreams/physiology; Electroencephalography; Humans; Mammals/*physiology; Sleep/*physiology; Sleep, REM/physiology; Wakefulness/physiology |
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This review examines the biological background to the development of ideas on rapid eye movement sleep (REM sleep), so-called paradoxical sleep (PS), and its relation to dreaming. Aspects of the phenomenon which are discussed include physiological changes and their anatomical location, the effects of total and selective sleep deprivation in the human and animal, and REM sleep behavior disorder, the latter with its clinical manifestations in the human. Although dreaming also occurs in other sleep phases (non-REM or NREM sleep), in the human, there is a contingent relation between REM sleep and dreaming. Thus, REM is taken as a marker for dreaming and as REM is distributed ubiquitously throughout the mammalian class, it is suggested that other mammals also dream. It is suggested that the overall function of REM sleep/dreaming is more important than the content of the individual dream; its function is to place the dreamer protagonist/observer on the topographical world. This has importance for the developing infant who needs to develop a sense of self and separateness from the world which it requires to navigate and from which it is separated for long periods in sleep. Dreaming may also serve to maintain a sense of 'I'ness or “self” in the adult, in whom a fragility of this faculty is revealed in neurological disorders. |
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Department of Clinical Neurological Sciences, Royal College of Surgeons in Ireland, Dublin 2, Ireland. hugh@iol.ie |
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0028-1042 |
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PMID:15843983 |
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Equine Behaviour @ team @ |
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2796 |
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