The Resource Genome scan in commercial angus cattle for quantitative trait loci influencing growth, carcass, and reproductive traits, by Matthew Charles McClure, (electronic resource)

Genome scan in commercial angus cattle for quantitative trait loci influencing growth, carcass, and reproductive traits, by Matthew Charles McClure, (electronic resource)

Label
Genome scan in commercial angus cattle for quantitative trait loci influencing growth, carcass, and reproductive traits
Title
Genome scan in commercial angus cattle for quantitative trait loci influencing growth, carcass, and reproductive traits
Statement of responsibility
by Matthew Charles McClure
Title variation
Whole genome scan in commercial angus cattle for quantitative trait loci influencing growth, carcass, and reproductive traits
Creator
Contributor
Thesis advisor
Subject
Genre
Language
eng
Summary
Experimental designs historically used for quantitative trait loci (QTL) mapping in cattle have captured a limited number of parental chromosomes and therefore have only detected the few heterozygous QTL within these parents. Consequently, most genome scans have found only a small number of QTL to influence any one trait and genetic improvement in cattle by marker-assisted selection (MAS) has been hindered by this limited information. By using a twenty-nine generation mapping population (N=1,769) that represents the major commercial bloodlines within American Angus, we have captured the majority of the chromosomes represented within the breed. Our experimental design allows the flexibility of using several different analytical approaches which exploit both the full pedigree information and within family variation. This design maximizes the potential for identifying all of the QTL of large effect that segregate within Angus cattle. Our analyses revealed that a large number of QTL of moderate to large effect influence all of the economically important growth and carcass traits, even for traits under strong selection. Despite considerable selection pressure by Angus producers on economically important traits over the past 30 years there remains a wide range in the allele frequency of trait-enhancing QTL. Thus genetic improvement programs that use information at only one, or a few QTL will have little value in beef cattle. Strategies must quickly be devised to simultaneously test for multiple QTL for MAS to be economically viable. The identification of multiple QTL underlying variation in carcass, growth and reproductive traits in this study will assist in the development of QTL tests. Ideally, QTL information will be integrated with available phenotypic data for the estimation of EPDs in cattle to allow producers to select for genetically superior animals
Cataloging source
MMU
http://library.link/vocab/creatorDate
1977-
http://library.link/vocab/creatorName
McClure, Matthew Charles
Degree
Ph. D.
Dissertation year
2009.
Granting institution
University of Missouri-Columbia
Illustrations
illustrations
Index
no index present
Literary form
non fiction
Nature of contents
  • dictionaries
  • bibliography
  • theses
NLM call number
SF207
http://library.link/vocab/relatedWorkOrContributorName
Taylor, J.
http://library.link/vocab/subjectName
  • Aberdeen-Angus cattle
  • Aberdeen-Angus cattle
  • Aberdeen-Angus cattle
  • Aberdeen-Angus cattle
  • Aberdeen-Angus cattle
Target audience
specialized
Label
Genome scan in commercial angus cattle for quantitative trait loci influencing growth, carcass, and reproductive traits, by Matthew Charles McClure, (electronic resource)
Instantiates
Publication
Note
  • The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file
  • Title from PDF of title page (University of Missouri--Columbia, viewed on January 6, 2010)
  • Vita
  • Thesis advisor: Jeremy Taylor
  • "July 2009"
Bibliography note
Includes bibliographical references
Carrier category
online resource
Carrier category code
  • cr
Carrier MARC source
rdacarrier
Content category
text
Content type code
  • txt
Content type MARC source
rdacontent
Control code
496011065
Extent
1 online resource
Form of item
electronic
Media category
computer
Media MARC source
rdamedia
Media type code
  • c
Other physical details
illustrations (some color).
Specific material designation
remote
System control number
(OCoLC)496011065
Label
Genome scan in commercial angus cattle for quantitative trait loci influencing growth, carcass, and reproductive traits, by Matthew Charles McClure, (electronic resource)
Publication
Note
  • The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file
  • Title from PDF of title page (University of Missouri--Columbia, viewed on January 6, 2010)
  • Vita
  • Thesis advisor: Jeremy Taylor
  • "July 2009"
Bibliography note
Includes bibliographical references
Carrier category
online resource
Carrier category code
  • cr
Carrier MARC source
rdacarrier
Content category
text
Content type code
  • txt
Content type MARC source
rdacontent
Control code
496011065
Extent
1 online resource
Form of item
electronic
Media category
computer
Media MARC source
rdamedia
Media type code
  • c
Other physical details
illustrations (some color).
Specific material designation
remote
System control number
(OCoLC)496011065

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