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Author |
Lane, J.G.; Mair, T.S. |
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Title |
Observations on headshaking in the horse |
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Journal Article |
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Year |
1987 |
Publication |
Equine Veterinary Journal |
Abbreviated Journal |
Equine Vet J |
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Volume |
19 |
Issue |
4 |
Pages  |
331-336 |
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Keywords |
Animals; *Behavior, Animal; Female; *Head; *Horses; Male; *Movement |
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Abstract |
The clinical records of 100 cases of headshaking in horses were reviewed. Possible causes of the abnormal behaviour were identified in 11 animals; these included ear mite infestation, otitis interna, cranial nerve dysfunction, cervical injury, ocular disease, guttural pouch mycosis, dental periapical osteitis and suspected vasomotor rhinitis. However, in only two of these could it be shown that correction of the abnormality led to elimination of the headshaking. The additional clinical signs exhibited by the other idiopathic cases of headshaking included evidence of nasal irritation, sneezing and snorting, nasal discharge, coughing and excessive lacrimation. Many of these horses also showed a marked seasonal pattern with respect to the onset of the disease and the recurrence of signs in subsequent years. The clinical presentation of idiopathic headshakers and the seasonal incidence of the signs closely resemble allergic rhinitis in man. |
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English |
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0425-1644 |
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PMID:3622462 |
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refbase @ user @ |
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1953 |
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Author |
Giraldeau, L.-A.; Lefebvre, L. |
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Title |
Scrounging prevents cultural transmission of food-finding behaviour in pigeons |
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Journal Article |
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Year |
1987 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
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Volume |
35 |
Issue |
2 |
Pages |
387-394 |
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Abstract |
Living in groups should promote the cultural transmission of a novel behaviour because opportunities for observing knowledgeable individuals are likely to be more numerous in this condition. However, in this study pigeons who shared the food discoveries of others (scroungers) did not learn the food-finding technique used by the discoverers (producers). Individually-caged pigeons prevented from scrounging easily learned the technique from a conspecific tutor. When caged pigeons obtained food from the tutor's performance, most naïve observers failed to learn. In a flock, scroungers selectively followed producers. In individual cages, scrounging during the tutor's demonstration was equivalent to getting no demonstration at all. This effect of scrounging did not interfere with subsequent acquisition of the food-finding behaviour when scrounging was no longer possible. |
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0003-3472 |
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Equine Behaviour @ team @ |
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5265 |
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Author |
Leslie AM |
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Title |
Pretense and representation in infancy: the origins of theory of mind |
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Journal Article |
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Year |
1987 |
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Psychol. Rev. |
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94 |
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412 |
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Equine Behaviour @ team @ |
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3014 |
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Author |
GODFREY D et al, |
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Title |
Zebra stripes and tiger stripes: the special frequency distribution of the pattern compared to that of the background is significant in disply and crysis |
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Year |
1987 |
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Biol J Linnean Soc |
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Volume |
32 |
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427-433 |
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from Professor Hans Klingels Equine Reference List |
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no |
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1116 |
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Author |
Güntürkün, O.; Kesch, S. |
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Title |
Visual lateralization during feeding in pigeons |
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Journal Article |
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Year |
1987 |
Publication |
Behavioral Neuroscience |
Abbreviated Journal |
Behav. Neurosci. |
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Volume |
101 |
Issue |
3 |
Pages |
433-435 |
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use of right vs left eye, amount & accuracy of pecking in food discrimination task, homing pigeons, implications for lateralization of cerebral function |
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In a quasi-natural feeding situation, adult pigeons had to detect and consume 30 food grains out of about 1,000 pebbles of similar shape, size, and color within 30 s under monocular conditions. With the right eye seeing, the animals achieved a significantly higher discrimination accuracy and, consequently, a significantly higher proportion of grains grasped than with the left eye seeing. This result supports previous demonstrations of a left-hemisphere dominance for visually guided behavior in birds. (PsycINFO Database Record (c) 2010 APA, all rights reserved) |
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US: American Psychological Association |
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1939-0084(Electronic);0735-7044(Print) |
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Call Number |
Equine Behaviour @ team @ 1987-30501-001 |
Serial |
5588 |
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Author |
Povinelli DJ |
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Title |
Monkeys, apes, mirrors and minds: the evolution of self-awareness in primates |
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Journal Article |
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Year |
1987 |
Publication |
J. Hum. Evol. |
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2 |
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493 |
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Equine Behaviour @ team @ |
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3025 |
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Author |
Klingel H, |
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Title |
Unpaarhufer, Pferde |
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Journal Article |
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1987 |
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Abbreviated Journal |
in Grzimek B (ed): Grzimeks Enzyklopädie Säugetiere |
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4 |
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548-592, Kindler |
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Notes |
from Professor Hans Klingels Equine Reference List |
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1319 |
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Author |
Enileeva, N.K. |
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Title |
[Ecological characteristics of horse stomach botflies in Uzbekistan] |
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Journal Article |
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Year |
1987 |
Publication |
Parazitologiia |
Abbreviated Journal |
Parazitologiia |
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Volume |
21 |
Issue |
4 |
Pages |
577-579 |
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Keywords |
Animals; Diptera/*physiology; Ecology; Female; Flight, Animal; Horses/*parasitology; Larva/physiology; Male; Population Dynamics; Uzbekistan |
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The paper describes the flight periods and dynamics of abundance of horse botflies, life span of females and males, effect of environmental factors on the activity of flies and their behaviour, potential fecundity of different species of botflies, duration of embryonal development, preservation of viability of larvae in egg membranes, localization of different stages of botflies in the host, and methods of their control. |
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Russian |
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Ekologicheskie osobennosti zheludochnykh ovodov loshadei v Uzbekistane |
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0031-1847 |
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PMID:2958767 |
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Equine Behaviour @ team @ |
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2680 |
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Author |
Hildebrand, M. |
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Title |
The Mechanics of Horse Legs |
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Journal Article |
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Year |
1987 |
Publication |
American Scientist |
Abbreviated Journal |
Amer. Sci. |
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75 |
Issue |
6 |
Pages |
594-601 |
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Equine Behaviour @ team @ |
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2301 |
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Author |
Deuel, N.R.; Lawrence, L.M. |
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Title |
Laterality in the gallop gait of horses |
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1987 |
Publication |
Journal of biomechanics |
Abbreviated Journal |
J Biomech |
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20 |
Issue |
6 |
Pages |
645-649 |
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Keywords |
Animals; *Functional Laterality; *Gait; Horses/*physiology; Kinesis |
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Abstract |
Bilateral asymmetry in gallop stride limb contact patterns of four Quarter Horse fillies was documented by high-speed cinematography. Horses were filmed with rider by two cameras simultaneously while galloping along a straightaway. Even though signaled for each gallop lead an equivalent number of times, horses frequently switched leads, selecting the left lead nearly twice as often as the right. Velocities and stride lengths were greater for the left lead than the right, but stride frequencies did not differ between leads. Velocity effects were partitioned out in limb contact data analysis to enable the determination of persistent gallop stride asymmetries. The contact duration for the trailing (right) fore limb on the left lead exceeded the contact duration for the trailing (left) fore limb on the right lead. Selecting the right fore limb as the trailing fore limb may have allowed horses to use it to withstand the greater stresses and caused them to preferentially gallop with the left fore limb leading. Laterality may have an important influence on equine gallop motion patterns and thereby influence athletic performance. |
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0021-9290 |
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PMID:3611140 |
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refbase @ user @ |
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528 |
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