2008
DOI: 10.1007/s10519-008-9248-6
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Cross-fostering Effects on Weight, Exploratory Activity, Acoustic Startle Reflex and Corticosterone Stress Response in Norway Gray Rats Selected for Elimination and for Enhancement of Aggressiveness Towards Human

Abstract: Two rat lines, one tame, the other aggressive, differing by many behavioral features and stress reactivity were developed by long-term selection of wild gray rats for elimination and enhancement of aggressiveness towards humans. The aim of this work was to study the role of the maternal environment in the expression of these differences between the two rat lines using the cross-fostering paradigm. Fostering of tame rats of both sexes by aggressive mothers and aggressive females by tame mothers was without effe… Show more

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Cited by 48 publications
(26 citation statements)
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“…They tolerate handling and sometimes actively explore the approaching hand. The strong behavioral selection has resulted in a number of differences in morphology, neurotransmitters, and hormone levels (Naumenko et al 1989;Plyusnina and Oskina 1997;Albert et al 2008).Cross fostering experiments excluded postnatal maternal effects as a major influence on tameness and aggression in these animals, suggesting a substantial genetic contribution to the behavior (Albert et al 2008;Plyusnina et al 2009). To gain insight into the genetic basis of tameness and associated phenotypes, we earlier bred an F 2 intercross between the tame and aggressive rat lines (Albert et al 2009).…”
mentioning
confidence: 99%
“…They tolerate handling and sometimes actively explore the approaching hand. The strong behavioral selection has resulted in a number of differences in morphology, neurotransmitters, and hormone levels (Naumenko et al 1989;Plyusnina and Oskina 1997;Albert et al 2008).Cross fostering experiments excluded postnatal maternal effects as a major influence on tameness and aggression in these animals, suggesting a substantial genetic contribution to the behavior (Albert et al 2008;Plyusnina et al 2009). To gain insight into the genetic basis of tameness and associated phenotypes, we earlier bred an F 2 intercross between the tame and aggressive rat lines (Albert et al 2009).…”
mentioning
confidence: 99%
“…Проведенные исследования по перекрестному вскарм-ливанию ручных и агрессивных крыс также не показали изменений в оборонительной агрессии, а стресс-ре-активность обеих линий несколько повысилась (Plyusnina et al, 2009). Исходя из этого небольшие изменения стресс-ответа, экспрессии генов ГР и КРГ во взрослом состоянии могут быть связаны со стрессогенной состав-ляющей манипуляций, как это видно из исследований по перекрестному вскармливанию (Plyusnina et al, 2009).…”
Section: Discussionunclassified
“…Исходя из этого небольшие изменения стресс-ответа, экспрессии генов ГР и КРГ во взрослом состоянии могут быть связаны со стрессогенной состав-ляющей манипуляций, как это видно из исследований по перекрестному вскармливанию (Plyusnina et al, 2009).…”
Section: Discussionunclassified
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