Genetic and Non-Genetic Parameter Estimates for Growth Traits in Turkish Merino Lambs

dc.authorid0000-0003-2862-7369
dc.authorscopusid6507257617
dc.authorscopusid24741197000
dc.authorscopusid35111714900
dc.authorscopusid6701378186
dc.authorwosidÖzder, Muhittin/ABA-9887-2020
dc.authorwosidceyhan, Ayhan/AAC-2641-2020
dc.contributor.authorÖzder, Muhittin
dc.contributor.authorSezenler, Tamer
dc.contributor.authorÖnal, Ahmet Refik
dc.contributor.authorCeyhan, Ayhan
dc.date.accessioned2022-05-11T14:46:20Z
dc.date.available2022-05-11T14:46:20Z
dc.date.issued2009
dc.departmentFakülteler, Ziraat Fakültesi, Zootekni Bölümü
dc.description.abstractGenetic and non-genetic influences on the body weights of 8429 Turkish Merino lambs sired by 292 rams over 1992-2006 were evaluated. Traits analyzed were Birth Weight (BW), 3 Months Weight (3 MW), 6 Months Weight (6 MW), 12 Months Weight (12 MW), Pre-weaning Daily Gain (PRDG) and Post-weaning Daily Gain (PSDG). REML estimates of variance and covariance components were obtained by using animal models in which the fixed effects of year of lambing, sex, birth type and age of dam and random animal direct and the maternal genetic effects were included. Average weights were 4.31 +/- 0.02, 32.4 +/- 0.36 45.1 +/- 0.43, 53.4 +/- 0.55 kg; 315 +/- 4 and 76 +/- 2 g for BW, 3 MW, 6 MW, 12 MW, PRDG and PSDG, respectively. All environmental factors were statistically significant, except age of dam for PSDG. Estimates of direct and maternal heritabilities were 0.14, 0.16; 0.29, 0.03; 0.31, 0.05; 0.38,0.09; 0.29, 0.03 and 0.49, 0.10 for BW, 3 MW, 6 MW, 12 MW, PRDG and PSDG, respectively. Genetic and phenotypic correlations among traits were statistically significant and favorable. In general, heritability estimates are moderate and hence, genetic progress can be achieved through mass selection.
dc.identifier.endpage1734
dc.identifier.issn1680-5593
dc.identifier.issn1993-601X
dc.identifier.issue9en_US
dc.identifier.scopus2-s2.0-70350594396
dc.identifier.scopusqualityN/A
dc.identifier.startpage1729
dc.identifier.urihttps://hdl.handle.net/20.500.11776/10280
dc.identifier.volume8
dc.identifier.wosWOS:000268160300008
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorSezenler, Tamer
dc.institutionauthorCeyhan, Ayhan
dc.language.isoen
dc.publisherMedwell Online
dc.relation.ispartofJournal of Animal and Veterinary Advances
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectTurkish Merino sheep
dc.subjectgenetic and phenotypic parameters
dc.subjectgrowth traits
dc.subjectdaily gain
dc.subjectsex
dc.subjectrandom animal
dc.subjectAustralian Beef-Cattle
dc.subjectLitter Size
dc.subjectWool Characteristics
dc.subjectVariance-Components
dc.subjectBody-Weight
dc.subjectDifferent Ages
dc.subjectPolypay Sheep
dc.subjectTarghee Sheep
dc.subjectHeritability
dc.subjectFlock
dc.titleGenetic and Non-Genetic Parameter Estimates for Growth Traits in Turkish Merino Lambs
dc.typeArticle

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