| Post-insemination level of feeding does not influence embryonic survival and growth in highly prolific gilts. | |
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MedLine Citation:
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PMID: 20434856 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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This study was designed to investigate the influence of a high level of feeding during early gestation on embryonic survival and variability of embryonic development in hyperprolific LW gilts. During the 7 days after the first insemination, gilts were fed either 4 or 2kg daily of a gestation diet (groups High, n=15, and Control, n=13, respectively). Gilts were slaughtered at 27.0+/-0.1 days of pregnancy. Embryonic survival was 85.4+/-1.0% and the number of surviving embryos averaged 17.5+/-0.6. Embryos weighed 0.88+/-0.17g and measured 20.6+/-1.1mm, and within-litter variability in embryo weight averaged 11%. None of these criteria was significantly influenced by the level of feeding during the first week of pregnancy. Irrespective of nutritional treatment, embryonic survival was not related to ovulation rate or length of the uterine horns. Number of living embryos was not correlated with embryo weight and length. Within-litter variation in embryo weight or length was not correlated with the number of embryos or embryonic survival. In conclusion, a high level of feeding during early pregnancy of prolific gilts did not reduce embryo survival and had no beneficial nor detrimental effects on embryo size and variability at 27 days of gestation. |
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Authors:
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H Quesnel; S Boulot; S Serriere; E Venturi; F Martinat-Botté |
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Publication Detail:
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Type: Controlled Clinical Trial; Journal Article Date: 2010-04-13 |
Journal Detail:
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Title: Animal reproduction science Volume: 120 ISSN: 1873-2232 ISO Abbreviation: Anim. Reprod. Sci. Publication Date: 2010 Jul |
Date Detail:
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Created Date: 2010-05-18 Completed Date: 2010-09-07 Revised Date: 2010-10-05 |
Medline Journal Info:
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Nlm Unique ID: 7807205 Medline TA: Anim Reprod Sci Country: Netherlands |
Other Details:
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Languages: eng Pagination: 120-4 Citation Subset: IM |
Copyright Information:
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Copyright 2010 Elsevier B.V. All rights reserved. |
Affiliation:
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INRA, UMR1079 Systèmes d'Elevage Nutrition Animale et Humaine, F-35590 Saint-Gilles, France; Agrocampus Ouest, UMR1079 SENAH, F-35000 Rennes, France. Helene.Quesnel@rennes.inra.fr |
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| MeSH Terms | |
Descriptor/Qualifier:
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Animal Feed Animal Nutritional Physiological Phenomena Animals Embryonic Development / physiology Feeding Behavior / physiology* Female Fertility / physiology Fetal Development / physiology* Fetal Viability / physiology* Gestational Age Insemination, Artificial / physiology* Litter Size Male Maternal Nutritional Physiological Phenomena* Pregnancy Pregnancy, Animal* Survival Swine Time Factors |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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