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Influence of in Ovo Leptin Injection Into Yolk Sac on Embryo Development, Blood Biochemical Parameters and Lipid Metabolism of Broiler Chicks During Early Post-Hatching Period

dc.authorscopusid 57834791400
dc.authorscopusid 24398242000
dc.contributor.author Cellak, B.
dc.contributor.author Babacanoğlu, E.
dc.date.accessioned 2025-05-10T16:54:17Z
dc.date.available 2025-05-10T16:54:17Z
dc.date.issued 2022
dc.department T.C. Van Yüzüncü Yıl Üniversitesi en_US
dc.department-temp Cellak B., Van Yuzuncu Yil University, Agriculture Faculty, Animal Science Department, Van, 65080, Turkey; Babacanoğlu E., Van Yuzuncu Yil University, Agriculture Faculty, Animal Science Department, Van, 65080, Turkey en_US
dc.description.abstract The study aimed to investigate the effect of in ovo (IO) leptin injection on yolk sac leptin concentration, embryo development, blood lipid metabolism, and biochemical parameters of broiler chicks during the early post-hatching period. Hatching eggs were weighed and placed in an incubator with 100 eggs/4 replications/group. The groups were: non-injected group (C); and 3 injected groups with 100 μl of phosphate buffer solution (PBS); 0.5 μl leptin (L0.5), and 1 μl leptin (L1) in 100 μl of PBS. Pure leptin hormone dissolved in PBS was injected into the yolk sac on day 7 of incubation. Yolk/yolk sac leptin concentrations at the onset of incubation, on days 7 and 15 of incubation, and at hatching were determined. Embryo/chick development was determined at all ages. Serum leptin, tri-iodothyronine (T3), thyroxine (T4), creatine kinase, total protein, uric acid, and lipid profiles were measured at hatching and day 7 of chick age. The leptin level of the yolk was similar to the leptin level of the yolk sac at hatching. Leptin level of a yolk sac was higher on 7th day than at other ages. IO injection* age was significant for serum leptin level, which was similar to one-day chicks in the L0.5 at day 7 of chick age. T3, T4, creatine kinase, uric acid, lipid profiles, and embryo/chick development did not change with IO leptin. Serum HDL level was higher in the leptin groups than C and PBS groups at hatching. IO leptin application affects blood lipid metabolism depending on dose level for male broiler chicks at the early post-hatch period, without affecting embryo/chick development. © 2022, Centenary University. All rights reserved. en_US
dc.identifier.doi 10.29133/yyutbd.1089888
dc.identifier.endpage 350 en_US
dc.identifier.issn 1308-7576
dc.identifier.issue 2 en_US
dc.identifier.scopus 2-s2.0-85135567141
dc.identifier.scopusquality Q3
dc.identifier.startpage 339 en_US
dc.identifier.trdizinid 1134445
dc.identifier.uri https://doi.org/10.29133/yyutbd.1089888
dc.identifier.uri https://hdl.handle.net/20.500.14720/3081
dc.identifier.volume 32 en_US
dc.identifier.wosquality N/A
dc.language.iso en en_US
dc.publisher Centenary University en_US
dc.relation.ispartof Yuzuncu Yil University Journal of Agricultural Sciences en_US
dc.relation.publicationcategory Makale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı en_US
dc.rights info:eu-repo/semantics/openAccess en_US
dc.subject Broiler en_US
dc.subject Embryo Development en_US
dc.subject In Ovo en_US
dc.subject Leptin en_US
dc.subject Yolk Sac en_US
dc.title Influence of in Ovo Leptin Injection Into Yolk Sac on Embryo Development, Blood Biochemical Parameters and Lipid Metabolism of Broiler Chicks During Early Post-Hatching Period en_US
dc.type Article en_US

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