Records |
Author |
Henning, J.M.; Zentall, T.R. |
Title |
Imitation, social facilitation, and the effects of ACTH 4-10 on rats' bar-pressing behavior |
Type |
Journal Article |
Year |
1981 |
Publication |
The American journal of psychology |
Abbreviated Journal |
Am J Psychol |
Volume |
94 |
Issue |
1 |
Pages ![sorted by First Page field, ascending order (up)](img/sort_asc.gif) |
125-134 |
Keywords |
Adrenocorticotropic Hormone/*pharmacology; Animals; Conditioning, Operant/*drug effects; Dose-Response Relationship, Drug; Extinction, Psychological/drug effects; Imitative Behavior/*drug effects; Male; Peptide Fragments/*pharmacology; Rats; *Social Facilitation |
Abstract |
The effects of ACTH 4-10 on rats' imitation learning was examined during the acquisition and extinction of a bar-press response for water reinforcement. Rats were exposed to either a bar-pressing conspecific (OB), an experimentally naive conspecific (ON), or an empty box (OE) during bar-press acquisition. In a factorial design, each rat was then exposed to one of the same three conditions during extinction. An 80 mcg dose of ACTH 4-10 was administered to half of the rats in each group prior to observation. Performance differences during acquisition were generally small, but significant performance differences during extinction were found. Social facilitation was indicated by the finding that rats extinguished in the presence of a conspecific exhibited significantly greater resistance to extinction than rats extinguished in the presence of an empty box. An imitation effect was also found. Rats that observed a bar-pressing conspecific during both acquisition and extinction (group OB-OB) showed significantly greater resistance top extinction than did groups OB-ON, CB-OE, or OE-OE. There were no significant effects of the hormone, however, relative to saline controls. |
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0002-9556 |
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PMID:6263117 |
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no |
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refbase @ user @ |
Serial |
267 |
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Author |
Moehlman, P.D. |
Title |
Behavioral patterns and communication in feral asses (Equus africanus) |
Type |
Journal Article |
Year |
1998 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
Volume |
60 |
Issue |
2-3 |
Pages ![sorted by First Page field, ascending order (up)](img/sort_asc.gif) |
125-169 |
Keywords |
Equids; Feral asses; Behavior patterns; Facial expressions; Postures; Locomotion |
Abstract |
The behavior of feral populations of the African wild ass (Equus africanus) were studied in the Northern Panamint Range of Death Valley National Monument for 20 months from 1970 to 1973 [Moehlman, P.D., 1974. Behavior and ecology of feral asses (Equus asinus). PhD dissertation, University of Wisconsin, Madison, 251 pp.; Moehlman, P.D., 1979. Behavior and ecology of feral asses (Equus asinus). Natl. Geogr. Soc. Res. Reports, 1970: 405-411]. Maintenance behavior is described and behavior sequences that were used in social interactions are quantified by sex and age class. Agonistic, sexual, and greeting behavior patterns are described and analyzed in conjunction with the responses they elicited. Mutual grooming mainly occurred between adult males, and between females and their offspring. Five types of vocalizations were distinguished: brays, grunts, growls, snorts, and whuffles. A second population was studied for 1 month on Ossabaw Island, GA (Moehlman, 1979). This population had more permanent social groups and had a higher rate of mutual grooming and foal social play. |
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Equine Behaviour @ team @ |
Serial |
2381 |
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Author |
Lansade, L.; Bertrand, M.; Boivin, X.; Bouissou, M.-F. |
Title |
Effects of handling at weaning on manageability and reactivity of foals |
Type |
Journal Article |
Year |
2004 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
Volume |
87 |
Issue |
1-2 |
Pages ![sorted by First Page field, ascending order (up)](img/sort_asc.gif) |
131-149 |
Keywords |
Horse; Handling; Weaning; Manageability; Emotional reactivity; Fearfulness; Human-animal relationship |
Abstract |
The horse's temperament, including its manageability and reactivity and/or fearfulness, is of importance as it can result in problems and can render horses unsuitable for inexperienced riders. Early experience, including handling during infancy, may influence the horse's adult behaviour and reduce its fear of humans and other potentially frigthening situations. In the various species studied, handling has generally been undertaken during the neonatal period. The aim of the present study was to test the effects of handling young horses around the time of weaning, a period which has been demonstrated to be effective in increasing ease of handling in cattle and goats. Sixteen Anglo-Arab foals were handled for 12 days either immediately following weaning (early handled: EH) or 21 days later (late handled: LH); eight additional non-handled foals served as controls (C). Handling consisted of haltering, gently petting all parts of the body, picking up feet and leading the foal over 120 m. During handling sessions, EH were easier to handle than LH: time taken to fit them with a halter, to pick up feet, and “walk-ratio” (time walking under constraint/total time walking) were significantly lower for EH. During subsequent tests conducted over 2 days, 4, and 7 months, as well as 10 months and to some extent 18 months after the end of handling period, EH and LH were easier to handle and less reactive than controls, although differences diminished with time. The period following weaning can therefore be qualified as an “optimal period” for handling. Some of the effects persist for at least 18 months. |
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refbase @ user @ |
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842 |
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Author |
Meyer, W.; Pakur, M. |
Title |
[Remarks on the domestic dog as an object of instruction for the education of the developing child] |
Type |
Journal Article |
Year |
1999 |
Publication |
Berliner und Munchener Tierarztliche Wochenschrift |
Abbreviated Journal |
Berl Munch Tierarztl Wochenschr |
Volume |
112 |
Issue |
4 |
Pages ![sorted by First Page field, ascending order (up)](img/sort_asc.gif) |
131-138 |
Keywords |
Animals; Animals, Domestic; *Bonding, Human-Pet; Character; Child; *Child Development; Child, Preschool; Cognition; *Dogs; Emotions; Empathy; Humans |
Abstract |
Based on an intensive analysis of literature, the study summarizes problems involved in the significance of domesticated dogs as objects of instruction and assistants of the education of children. Several important topics are discussed in view of advances for children in families keeping dogs. Such topics are mainly related to a general socio-emotional level, the support of cognitive development and character formation. Further aspects are the acquisition of a sense of responsibility, and the development of self-confidence, a sense of social membership and security, as well as important attributes of character such as frankness, broad mindedness, and sympathetic understanding. Moreover, knowledge about the life cycle and functions of body organs can be conveyed, and the dog could, at least in part, substitute for brothers and sisters. Basically, positive attitudes towards animals in general, as well as nature and environment are supported. All topics are critically commented and considered to be realistic or not. The supporting role of parents, in particular, is emphasized. Parental commitment should include deep concern with the typical attributes of the dog breed desired, and optimal dog keeping conditions to prevent harm to the children. The final commentary lays special emphasis on negative features of domestication for a pet owner, and cautions against non-biological and illusionary ideas about domesticated animals. |
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Anatomisches Institut der Tierakztlichen Hochschule Hannover |
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German |
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Original Title |
Bemerkungen zum Haushund als Lehrobjekt und Erziehungshilfe fur das sich entwickelnde Kind |
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ISSN |
0005-9366 |
ISBN |
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Notes |
PMID:10337055 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
4155 |
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Author |
Heitor, F.; Vicente, L. |
Title |
Affiliative relationships among Sorraia mares: influence of age, dominance, kinship and reproductive state |
Type |
Journal Article |
Year |
2010 |
Publication |
Journal of Ethology |
Abbreviated Journal |
J. Ethol. |
Volume |
28 |
Issue |
1 |
Pages ![sorted by First Page field, ascending order (up)](img/sort_asc.gif) |
133-140 |
Keywords |
Sorraia horse – Affiliative relationship – Dominance – Kinship – Reproductive state |
Abstract |
Abstract Affiliative relationships among mares were examined in a managed group of Sorraia horses, Equus caballus, over a 3-year period. We assessed the influence of age, dominance, kinship and reproductive state on the strength of affiliative relationships and diversity of partners. The herd comprised 9–11 mares that had known each other since birth, their foals and a stallion that remained in the group exclusively during the breeding season. In contrast to a previous study, kinship did not significantly affect bonds. Mares tended to spend more time in proximity to those in the same reproductive state. Affiliative relationships among mares were relatively stable but their strength decreased after foaling, possibly as a function of foal protection and bonding between dam and foal. There was no consistent evidence that mares disengaged from affiliative relationships with increasing age. As expected, dominant mares and barren mares contributed the most to affiliative relationships. Dominance rank increased with age, but dominance relationships were stable and did not change after foaling. Overall, reproductive state was the factor that had the most consistent influence on affiliative relationships among Sorraia mares. |
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Equine Behaviour @ team @ |
Serial |
5100 |
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Author |
Clara, E.; Regolin, L.; Vallortigara, G.; Rogers, L. |
Title |
Perception of the stereokinetic illusion by the common marmoset (Callithrix jacchus) |
Type |
Journal Article |
Year |
2007 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
Volume |
10 |
Issue |
2 |
Pages ![sorted by First Page field, ascending order (up)](img/sort_asc.gif) |
135-140 |
Keywords |
Animals; Behavior, Animal/*physiology; Callithrix/*physiology; Female; Male; *Optical Illusions; Pattern Recognition, Visual/*physiology |
Abstract |
Stereokinetic illusions have never been investigated in non-human primates, nor in other mammalian species. These illusions consist in the perception of a 3D solid object when certain 2D stimuli are rotated slowly in the plane perpendicular to the line of sight. The ability to perceive the stereokinetic illusion was investigated in the common marmoset (Callithrix jacchus). Four adult marmosets were trained to discriminate between a solid cylinder and a solid cone for food reward. Once learning criterion was reached, the marmosets were tested in sets of eight probe trials in which the two solid objects used at training were replaced by two rotating 2D stimuli. Only one of these stimuli produced, at least to the human observer, the stereokinetic illusion corresponding to the solid object previously reinforced. At test, the general behaviour and the total time spent by the marmosets observing each stimulus were recorded. The subjects stayed longer near the stimulus producing the stereokinetic illusion corresponding to the solid object reinforced at training than they did near the illusion corresponding to the previously non-rewarded stimulus. Hence, the common marmosets behaved as if they could perceive stereokinetic illusions. |
Address |
Centre for Neuroscience and Animal Behaviour, University of New England, Armidale, NSW, 2351, Australia. elena.clara@unipd.it |
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1435-9448 |
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PMID:16924457 |
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no |
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Equine Behaviour @ team @ |
Serial |
2445 |
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Author |
Alexander, F.; Collett, R.A. |
Title |
Pethidine in the horse |
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Journal Article |
Year |
1974 |
Publication |
Research in veterinary science |
Abbreviated Journal |
Res Vet Sci |
Volume |
17 |
Issue |
1 |
Pages ![sorted by First Page field, ascending order (up)](img/sort_asc.gif) |
136-137 |
Keywords |
Animals; Half-Life; Horses/*metabolism; Injections, Intravenous/veterinary; Male; Meperidine/administration & dosage/analysis/*metabolism/pharmacology |
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0034-5288 |
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Notes |
PMID:4421117 |
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no |
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refbase @ user @ |
Serial |
113 |
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Author |
Lansade, L.; Bertrand, M.; Bouissou, M.-F. |
Title |
Effects of neonatal handling on subsequent manageability, reactivity and learning ability of foals |
Type |
Journal Article |
Year |
2005 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
Volume |
92 |
Issue |
1-2 |
Pages ![sorted by First Page field, ascending order (up)](img/sort_asc.gif) |
143-158 |
Keywords |
Horse; Neonatal handling; Manageability; Emotional reactivity; Learning-ability; Human-animal relationship |
Abstract |
Behaviour is an important factor to be taken into account in the various uses of horses. Today horses are mainly used for sport and leisure activities. They should therefore be easy to manage, calm and not fearful. Early handling is known to improve manageability and learning ability and to reduce fearfulness in various species. It has become fashionable in the horse industry to use an early training procedure, referred to as “imprint training”, which is said to produce durable if not permanent effects. However, no studies concerning the long-term effects of such neonatal handling have been carried out in horses. The present study examines the short- and long-term effects of neonatal handling on manageability, general reactivity and learning ability of foals. Twenty-six Welsh foals were studied: 13 were handled daily for 14 days from birth and 13 were non-handled controls. The handling procedure consisted of fitting a halter, gently patting all parts of each foal's body, picking up feet and leading over 40 m. Two days, 3 months, 6 months and 1 year after the end of the handling period, foals underwent behavioural tests to measure their manageability and various aspects of their reactivity. The results showed that neonatal handling has only short-term effects on manageability: 2 days after the handling period, handled animals were significantly easier to handle than controls for the four parameters measured during this test (time to fit a halter, time to pick up feet, walk ratio that is time during which foal walks under constraint/total time measured during leading and number of defensive reactions). Two parameters (time to fit a halter and walk ratio) were still lower in handled foals than in non-handled foals 3 months later and only one 6 months later (walk ratio). One year later there was no difference between groups. In addition, there was no effect of handling on reactivity at any time of testing or in any of the tests (reaction to isolation from conspecifics, presence of a human, presence of a novel object and to a surprise effect). Finally, neonatal handling did not improve the spatial or discriminative learning abilities measured at 14 months of age. To conclude, the effects of neonatal handling are only temporary. |
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refbase @ user @ |
Serial |
841 |
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Author |
Stout, I.J.; Clifford, C.M.; Keirans, J.E.; Portman, R.W. |
Title |
Dermacentor variabilis (Say) (Acarina: Ixodidae) established in southeastern Washington and northern Idaho |
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Journal Article |
Year |
1971 |
Publication |
Journal of Medical Entomology |
Abbreviated Journal |
J Med Entomol |
Volume |
8 |
Issue |
2 |
Pages ![sorted by First Page field, ascending order (up)](img/sort_asc.gif) |
143-147 |
Keywords |
Animals; Arthropod Vectors; Disease Reservoirs/*epidemiology; Dogs; Ecology; Female; Horses; Humans; Idaho; Larva; Male; Seasons; Sheep; Tick Infestations/*epidemiology/veterinary; Ticks/*classification; Washington; Zoonoses |
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0022-2585 |
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PMID:5157834 |
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Equine Behaviour @ team @ |
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2729 |
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Author |
Schweitzer, C.; Arnould, C. |
Title |
Emotional reactivity of Japanese quail chicks with high or low social motivation reared under unstable social conditions |
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Journal Article |
Year |
2010 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
Volume |
125 |
Issue |
3-4 |
Pages ![sorted by First Page field, ascending order (up)](img/sort_asc.gif) |
143-150 |
Keywords |
Emotional reactivity; Quail; Emotions; Fear; Social behaviour |
Abstract |
Repeated encounters with unfamiliar conspecifics in large groups of domestic birds create a potentially stressful social environment which can affect the birds' emotional reactivity and consequently their welfare. As social relationships between young quail are particularly influenced by their social motivation (i.e., the motivation to seek close proximity with conspecifics), it is likely that the reaction of quail to repeated encounters with strangers depends on their social motivation. The aim of this study was to assess the emotional reactivity of quail chicks with high (HSR) or low (LSR) social motivation housed under stable and unstable social conditions. Quail chicks were housed either in stable pairs, i.e. remaining with the same cagemate until testing (NHSR = 19 and NLSR = 18 pairs), or in unstable pairs, i.e. changing cagemate daily from 6 to 13 days of age (NHSR = 20 and NLSR = 19 pairs). Emotional reactivity was measured using a novel object test on day 14, and an emergence test and a tonic immobility test on day 15. The social condition affected the number of induction attempts of quail chicks in the tonic immobility test but only in the LSR ones. This number of inductions was lower under the stable than under the unstable social condition in this line. Moreover, the HSR chicks showed greater disturbance than the LSR ones in the three behavioural tests. In conclusion, social instability did not affect the emotional reactivity of HSR quail chicks, which was high, regardless of social condition. In contrast, repeated cagemate changes seemed to decrease the emotional reactivity of LSR quail chicks. These results suggest that low social motivation makes easier the adaptation to the potential social instability encountered in large flocks. |
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0168-1591 |
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Equine Behaviour @ team @ |
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5132 |
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