{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,23]],"date-time":"2026-06-23T09:48:55Z","timestamp":1782208135615,"version":"3.54.5"},"reference-count":53,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2026,6,21]],"date-time":"2026-06-21T00:00:00Z","timestamp":1782000000000},"content-version":"vor","delay-in-days":20,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,6,1]],"date-time":"2026-06-01T00:00:00Z","timestamp":1780272000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Animal Genetics"],"published-print":{"date-parts":[[2026,6]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    The Sansui duck is a valuable Chinese genetic resource. However, incomplete exploration of its genetic resources has limited the full utilization of its genetic potential. This study systematically evaluated the growth and carcass performance in 305 Sansui ducks and explored their genetic basis through genome\u2010wide association studies (GWAS). Body weight (recorded biweekly from 0 to 20\u2009weeks), body measurement traits, and carcass yield traits (measured at 20\u2009weeks) were collected. Growth curve analysis revealed a relatively slow growth rate, with early growth occurring from 0 to 14\u2009weeks and a critical period for weight gain observed at 8\u201310\u2009weeks. Sansui ducks exhibited small body size with favorable meat production traits: half\u2010eviscerated yield percentage (HEYP) and eviscerated yield percentage (EYP) both above 70%, while breast muscle percentage (BMP) and leg muscle percentage (LMP) reached 11.99% and 11.01%, respectively. SNP\u2010based heritability estimates indicated moderate to high heritability for growth and slaughter traits. GWAS identified 222 SNPs associated with growth and slaughter traits, which were annotated to 53 candidate genes, including\n                    <jats:italic>EFEMP1<\/jats:italic>\n                    ,\n                    <jats:italic>SKAP1<\/jats:italic>\n                    , and\n                    <jats:italic>MYO19<\/jats:italic>\n                    . Linkage disequilibrium (LD) analysis further pinpointed two key genomic regions on chromosome 28 (1\u2013200\u2009kb and 250\u2013320\u2009kb) influencing multiple traits. These regions harbor critical candidate genes, including the\n                    <jats:italic>HOXB<\/jats:italic>\n                    family and\n                    <jats:italic>IGF2BP1<\/jats:italic>\n                    , which play important roles in regulating skeletal development, energy allocation, and growth rhythm in poultry. These findings enrich the genetic resource database of the Sansui duck and provide an important theoretical basis for further elucidating the genetic foundation of its growth and carcass performance.\n                  <\/jats:p>","DOI":"10.1002\/age.70151","type":"journal-article","created":{"date-parts":[[2026,6,22]],"date-time":"2026-06-22T00:40:34Z","timestamp":1782088834000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Genetic Basis of Growth and Carcass Traits in Sansui Duck Identified Through Genome\u2010Wide Association Analysis"],"prefix":"10.1002","volume":"57","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8293-6942","authenticated-orcid":false,"given":"Yulong","family":"Feng","sequence":"first","affiliation":[{"name":"Institute of Animal Husbandry and Veterinary Medicine Guizhou Academy of Agricultural Sciences  Guiyang China"},{"name":"Guizhou Provincial Key Laboratory of Livestock and Poultry 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