Effect of different protein sources on protease activity of northern pike, Esox lucius Linneaus 1758, juvenile

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dc.contributor.authorGokcek, Kaya
dc.contributor.authorSzabo, Tamas
dc.contributor.authorSuzer, Cuneyt
dc.date.accessioned2021-05-03T20:38:26Z
dc.date.available2021-05-03T20:38:26Z
dc.date.issued2020
dc.departmentEge Üniversitesien_US
dc.description.abstractThe aim of the study is to determine the inhibitory effect of different protein sources on protease activity of Northern pike, E. lucius, during larval ontogeny. For this purpose, Northern pike were fed from yolk sac absorption until 21 days after hatching (DAH). At that point, larvae were sampled on 7, 14 and 21 DAH days and the activity of enzyme was analyzed in vitro. in the study, two different fish meal, chicken meal, krill meal, corn gluten, soybean protein concentrate, soybean meal and dried distillers grains with solubles were tested. Fish meal-I showed the lowest effect (7.53 %) on 7 DAH larvae. Moreover, chicken meal has the highest inhibitory effect on the proteases in the first week (68.27%). in the following period (DAH 14), although the inhibition ratio dramatically increased in all ingredients, fish meal-I has still the lowest effect on proteolytic activity (55.66%). in the same period, the highest effect was obtained from krill (82.28 %) and chicken meals (86.73 %), respectively. Then, there was no statistical difference between fish meal-I, fish meal-II and corn gluten in the 21 DAH and relatively lower than the others (p>0.05). Additionally, chicken meal again has the highest effect on juveniles with the ratio 89.27 %. As a result, the increase of proteolytic activity was notably increased in 7-14-21 DAH, however, it is concluded that feeding larvae and juveniles with live prey is still suggested to get better result for such a carnivorous species culture.en_US
dc.description.sponsorshipMustafa Kemal University Scientific Projects DepartmentMustafa Kemal University [16792]en_US
dc.description.sponsorshipSpecial thanks to Francisco Javier MOYANO for sharing enzyme analyze methods and for future project ideas. The present work was supported from Mustafa Kemal University Scientific Projects Department with the project number 16792en_US
dc.identifier.doi10.12714/egejfas.37.2.03
dc.identifier.endpage138en_US
dc.identifier.issn1300-1590
dc.identifier.issn2148-3140
dc.identifier.issn1300-1590en_US
dc.identifier.issn2148-3140en_US
dc.identifier.issue2en_US
dc.identifier.startpage135en_US
dc.identifier.urihttps://doi.org/10.12714/egejfas.37.2.03
dc.identifier.urihttps://hdl.handle.net/11454/70431
dc.identifier.volume37en_US
dc.identifier.wosWOS:000605750600003en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.language.isoenen_US
dc.publisherEge Univ, Fac Fisheriesen_US
dc.relation.ispartofSu Urunleri Dergisien_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectNorthern pikeen_US
dc.subjectprotease activityen_US
dc.subjectprotein sourcesen_US
dc.subjectinhibition effecten_US
dc.titleEffect of different protein sources on protease activity of northern pike, Esox lucius Linneaus 1758, juvenileen_US
dc.typeArticleen_US

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