Effects of breeder age on mineral contents and weight of yolk sac, embryo development, and hatchability in Pekin ducks

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dc.contributor.authorOnbasilar, E. E.
dc.contributor.authorErdem, E.
dc.contributor.authorHacan, O.
dc.contributor.authorYalcin, S.
dc.date.accessioned2020-06-25T18:12:19Z
dc.date.available2020-06-25T18:12:19Z
dc.date.issued2014
dc.departmentKırıkkale Üniversitesi
dc.descriptionOnbasilar, Ebru/0000-0002-1321-0280
dc.description.abstractThe current study was carried out to investigate the effects of breeder age on egg composition, changes of embryo, yolk sac, and yolk minerals during incubation and hatchability in Pekin ducks. A total of 495 freshly laid eggs were obtained from the same flock of Pekin ducks, aged 28, 34, and 40 wk, and were reared in accordance with the management guide of the duck breeders (Star 53-Grimaud Freres). At each breeder age, egg measurements were made on a random subsample of unincubated eggs. Embryo and yolk sac measurements were made on embryonic day (E) 12, E16, E20, and E25. On d 28 of incubation, the healthy ducklings were removed and sex of chicks was determined. All chicks were weighed and hatching results were determined. Egg weight and yolk percentages increased; however, albumen percentages, shell thickness, and yolk index decreased as the flock aged. Shell percentages, shell breaking strength, albumen index, and haugh units were not affected by breeder age. Also, breeder age affected the Mg, P, K, Ca, Cu, and Zn levels in the yolk, except for Na level on day of setting, and breeder age affected the mineral consumed by embryo during incubation. However, on E25, the levels of examined minerals, except for P level in the yolk sac, were not statistically different in duck breeder age groups. Relative yolk sac and embryo weights of eggs obtained from different breeder ages varied from E16 to E25; however, embryo length was different in breeder age groups from E12 to E20. Hatching weight was affected by breeder age and sex. Hatching results were not different among breeder age groups. This study indicates that breeder age is important for some egg characteristics, relative yolk sac weight, some contents of minerals in the yolk, embryonic growth during incubation, and duckling weight.en_US
dc.identifier.citationOnbasilar, E. E., Erdem, E., Hacan, O., & Yalçin, S. (2014). Effects of breeder age on mineral contents and weight of yolk sac, embryo development, and hatchability in Pekin ducks. Poultry science, 93(2), 473–478.en_US
dc.identifier.doi10.3382/ps.2013-03355
dc.identifier.endpage478en_US
dc.identifier.issn0032-5791
dc.identifier.issn1525-3171
dc.identifier.issue2en_US
dc.identifier.pmid24570471
dc.identifier.scopus2-s2.0-84893756450
dc.identifier.scopusqualityQ1
dc.identifier.startpage473en_US
dc.identifier.urihttps://doi.org/10.3382/ps.2013-03355
dc.identifier.urihttps://hdl.handle.net/20.500.12587/5866
dc.identifier.volume93en_US
dc.identifier.wosWOS:000334045600027
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherOxford Univ Pressen_US
dc.relation.ispartofPoultry Science
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectPekin ducken_US
dc.subjectbreeder ageen_US
dc.subjectyolken_US
dc.subjectmineralen_US
dc.subjectembryo developmenten_US
dc.titleEffects of breeder age on mineral contents and weight of yolk sac, embryo development, and hatchability in Pekin ducksen_US
dc.typeArticle

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