Comparisons of serum somatotropin, 3,5,3 '-triiodothyronine, thyroxine, total protein and free fatty acid levels in newborn Sakiz lambs separated from or suckling their dams

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dc.contributor.authorFirat, A
dc.contributor.authorOzpinar, A
dc.contributor.authorSerpek, B
dc.contributor.authorHaliloglu, S
dc.date.accessioned2020-03-26T16:56:44Z
dc.date.available2020-03-26T16:56:44Z
dc.date.issued2005
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractObjective: To determine the effects on serum somatotropin, 3,5,3'-triiodothyronine (T-3), thyroxine (T-4), free fatty acids (FFAs) and total protein levels of different feedings and age in Sakiz sheep that have a high twin-bearing rate supported by estrous synchronization. Methods: 20 newborn lambs were used in the study. Lambs were divided into 2 equal groups. The lambs in 1 group were separated from their dams following parturition, and those in other group were kept together with their dams. Separated lambs were fed commercial cow's milk for 2.5 weeks. After that, they were fed a milk substitute, hay and concentrated supplement for 2 months, and from the end of the 2 months they were fed hay and concentrated supplement. The lambs in other group were kept together with their dams only during the day and in addition were fed hay and concentrated supplement. After 2 months, they were maintained feeding only on hay and concentrated supplement. Blood samples were taken from vena jugularis of lambs at 12 and 24-48 h, and 14, 28, 42 and 56-90 days after parturition. Serum samples were analyzed for somatotropin by enzyme immunoassay, for T-3 and T-4 by radioimmunoassay, and for total protein and FFA by a spectrophotometric method. Results: Serum somatotropin levels were insignificantly different between the lambs with and without their dams. Serum T-3 levels were generally lower in the separated lambs than those in other group. Serum T-4 levels were significantly lower in the separated lambs 48 h and 90 days after parturition than those in other group. Serum FFAs were insignificantly different between 2 groups. Serum total protein concentrations were lower in the separated lambs than lambs kept together with their dams (significantly at 12 and 48 h and 14 days). Conclusion: Ingestion of colostrum and dam milk markedly affected serum total protein levels, but body weight and serum somatotropin levels were insignificantly affected. Also serum T-3 and T-4 levels markedly decreased with advancing age. Serum FFA levels were not affected by the trial. Copyright (C) 2005 S. Karger AG, Basel.en_US
dc.identifier.doi10.1159/000084741en_US
dc.identifier.endpage94en_US
dc.identifier.issn0250-6807en_US
dc.identifier.issn1421-9697en_US
dc.identifier.issue2en_US
dc.identifier.pmid15802903en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage88en_US
dc.identifier.urihttps://dx.doi.org/10.1159/000084741
dc.identifier.urihttps://hdl.handle.net/20.500.12395/19638
dc.identifier.volume49en_US
dc.identifier.wosWOS:000229475700004en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherKARGERen_US
dc.relation.ispartofANNALS OF NUTRITION AND METABOLISMen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectfree fatty aciden_US
dc.subjectnewborn lamben_US
dc.subjectsomatotropinen_US
dc.subject3,5,3 '-triiodothyronineen_US
dc.subjectthyroxineen_US
dc.subjecttotal proteinen_US
dc.titleComparisons of serum somatotropin, 3,5,3 '-triiodothyronine, thyroxine, total protein and free fatty acid levels in newborn Sakiz lambs separated from or suckling their damsen_US
dc.typeArticleen_US

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