| Effects of different sexual stimuli on oxytocin release, uterine activity and receptive behavior in estrous sows. | |
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MedLine Citation:
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PMID: 12517388 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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This study was designed to assess effects of exogenous oxytocin (OT) on uterine activity, and to compare three different sexual stimuli in their effects on OT release, uterine activity and receptive behavior in estrous sows. Uterine activity was recorded nonsurgically, by transcervical insertion of an open-end catheter into the caudal part of the uterine lumen. After recording spontaneous uterine activity, exogenous OT was administered (Experiment 1), or one of the following stimuli was applied to the sow (Experiment 2): tactile stimuli, i.e. manual stimulation of the sow's back and flanks, tactile stimulation in combination with boar pheromone spray (5alpha-androstenon), or tactile stimuli in the presence of a boar. Both exogenous OT and endogenously released OT increased uterine activity. The effect depended on the uterine activity before treatment, with the effect being greater in those sows with lower uterine activity before treatment. In Experiment 2, boar presence was the only stimulus that elicited a clear, surge-like release of OT, and also clearly increased uterine activity. Release of OT was not necessary for induction of receptive behavior: tactile stimulation alone and in combination with pheromone spray elicited a standing response in one third of the sows, but had no effect on OT release. |
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Authors:
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P Langendijk; E G Bouwman; D Schams; N M Soede; B Kemp |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Theriogenology Volume: 59 ISSN: 0093-691X ISO Abbreviation: Theriogenology Publication Date: 2003 Feb |
Date Detail:
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Created Date: 2003-01-08 Completed Date: 2003-05-13 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0421510 Medline TA: Theriogenology Country: United States |
Other Details:
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Languages: eng Pagination: 849-61 Citation Subset: IM |
Affiliation:
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Department of Animal Sciences, Wageningen University, Marijkeweg 40, 6709 PG Wageningen, The Netherlands. pieter.langendijk@genr.vh.wau.nl |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Estrus / metabolism, physiology Female Male Oxytocin / pharmacology*, secretion* Sexual Behavior, Animal / drug effects, physiology* Swine / physiology* Uterine Contraction / drug effects*, physiology Uterus / drug effects, physiology* |
| Chemical | |
Reg. No./Substance:
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50-56-6/Oxytocin |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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