| Estimation of genetic parameters of semen characteristics and reproductive traits in AI boars. | |
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MedLine Citation:
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PMID: 15721663 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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(Co)variance components and further genetic parameters of boar semen characteristics and reproductive traits were estimated using the REML procedure applied to multi-trait animal models. The calculations were based on data from 210,733 ejaculates stemming from 2862 AI boars and collected from 1990 to 1997 in insemination stations for boars in the Czech Republic. Equal model equations for all traits included the AI station and the breed or breed combination as fixed effects, the interval between two collections for the boar as covariable and the animal and residual effects as random effects. The following heritabilities were estimated: semen volume 0.58, sperm concentration 0.49, progressive motion of spermatozoa 0.38, abnormal spermatozoa 0.34, number of total spermatozoa 0.42, number of insemination doses 0.40, number of piglets born alive 0.08, total number of piglets born 0.05 and conception rate 0.29. Heritabilities and genetic correlations were estimated on average values for each boar. |
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Authors:
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J Smital; J Wolf; L L De Sousa |
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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: Animal reproduction science Volume: 86 ISSN: 0378-4320 ISO Abbreviation: Anim. Reprod. Sci. Publication Date: 2005 Mar |
Date Detail:
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Created Date: 2005-02-21 Completed Date: 2005-04-12 Revised Date: 2006-11-15 |
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: 119-30 Citation Subset: IM |
Affiliation:
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Research Institute of Animal Production, P.O. Box 1, CZ 10401 Prague 10-Uhrínĕves, Czech Republic. smital.jaroslav@vuzv.cz |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Animals, Newborn Female Insemination, Artificial / veterinary Litter Size / genetics, physiology Male Models, Genetic* Semen / physiology* Sperm Count / veterinary Sperm Motility / genetics, physiology Spermatozoa / physiology* Swine / genetics, physiology* |
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