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Article: The relationship between age and genotype and circulating concentrations of triiodothyronine (T3), thyroxine (T4), and growth hormone in commercial meat strain chickens.

TitleThe relationship between age and genotype and circulating concentrations of triiodothyronine (T3), thyroxine (T4), and growth hormone in commercial meat strain chickens.
Authors
Issue Date1986
PublisherSociety for Experimental Biology and Medicine. The Journal's web site is located at http://www.ebmonline.org/
Citation
Proceedings Of The Society For Experimental Biology And Medicine. Society For Experimental Biology And Medicine (New York, N. Y.), 1986, v. 182 n. 3, p. 336-343 How to Cite?
AbstractThe presence of the sex-linked dwarf gene (dw) in homozygous male (dw/dw) and female (dw/-) meat strain chickens is associated with a significant reduction in circulating levels of triiodothyronine (T3). Heterozygous (Dw/dw) male broiler strain chickens have T3 concentrations similar to those in homozygous (Dw/Dw) male broilers. Genetically normal (Dw/Dw) but significantly slower growing roaster strain male meat chickens had consistently higher T3 than the faster growing broilers at all ages in one experiment but only at 8 weeks in a second experiment. Age and not growth rate appears to have a greater influence on serum T3 concentrations in the slow- and fast-growing normal strains. Growth hormone levels were significantly higher in the dwarf chickens at all ages and in all three experiments. The heterozygous and homozygous broilers had similar GH levels and the slow-growing, genetically normal roasters had intermediate concentrations between the broiler and dwarf lines. GH was influenced to a greater extent by the rate of body weight gain than by increasing age in the genetically normal fast and slow growing strains.
Persistent Identifierhttp://hdl.handle.net/10722/178450
ISSN
2002 Impact Factor: 2.714
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLilburn, MSen_US
dc.contributor.authorLeung, FCen_US
dc.contributor.authorNgiamRilling, Ken_US
dc.contributor.authorSmith, JHen_US
dc.date.accessioned2012-12-19T09:47:45Z-
dc.date.available2012-12-19T09:47:45Z-
dc.date.issued1986en_US
dc.identifier.citationProceedings Of The Society For Experimental Biology And Medicine. Society For Experimental Biology And Medicine (New York, N. Y.), 1986, v. 182 n. 3, p. 336-343en_US
dc.identifier.issn0037-9727en_US
dc.identifier.urihttp://hdl.handle.net/10722/178450-
dc.description.abstractThe presence of the sex-linked dwarf gene (dw) in homozygous male (dw/dw) and female (dw/-) meat strain chickens is associated with a significant reduction in circulating levels of triiodothyronine (T3). Heterozygous (Dw/dw) male broiler strain chickens have T3 concentrations similar to those in homozygous (Dw/Dw) male broilers. Genetically normal (Dw/Dw) but significantly slower growing roaster strain male meat chickens had consistently higher T3 than the faster growing broilers at all ages in one experiment but only at 8 weeks in a second experiment. Age and not growth rate appears to have a greater influence on serum T3 concentrations in the slow- and fast-growing normal strains. Growth hormone levels were significantly higher in the dwarf chickens at all ages and in all three experiments. The heterozygous and homozygous broilers had similar GH levels and the slow-growing, genetically normal roasters had intermediate concentrations between the broiler and dwarf lines. GH was influenced to a greater extent by the rate of body weight gain than by increasing age in the genetically normal fast and slow growing strains.en_US
dc.languageengen_US
dc.publisherSociety for Experimental Biology and Medicine. The Journal's web site is located at http://www.ebmonline.org/en_US
dc.relation.ispartofProceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine (New York, N. Y.)en_US
dc.subject.meshAgingen_US
dc.subject.meshAnimalsen_US
dc.subject.meshBody Weighten_US
dc.subject.meshChickens - Growth & Developmenten_US
dc.subject.meshDwarfism - Geneticsen_US
dc.subject.meshFemaleen_US
dc.subject.meshGenetic Linkageen_US
dc.subject.meshGenotypeen_US
dc.subject.meshGrowth Hormone - Blooden_US
dc.subject.meshMaleen_US
dc.subject.meshThyroxine - Blooden_US
dc.subject.meshTriiodothyronine - Blooden_US
dc.titleThe relationship between age and genotype and circulating concentrations of triiodothyronine (T3), thyroxine (T4), and growth hormone in commercial meat strain chickens.en_US
dc.typeArticleen_US
dc.identifier.emailLeung, FC: fcleung@hkucc.hku.hken_US
dc.identifier.authorityLeung, FC=rp00731en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.pmid3714715-
dc.identifier.scopuseid_2-s2.0-0022756815en_US
dc.identifier.volume182en_US
dc.identifier.issue3en_US
dc.identifier.spage336en_US
dc.identifier.epage343en_US
dc.identifier.isiWOS:A1986D113100010-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridLilburn, MS=7007082020en_US
dc.identifier.scopusauthoridLeung, FC=7103078633en_US
dc.identifier.scopusauthoridNgiamRilling, K=6507023939en_US
dc.identifier.scopusauthoridSmith, JH=7410165292en_US

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