Histological development of digestive tract in discus, Symphysodon spp. larvae

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dc.contributor.authorOnal, Umur
dc.contributor.authorCelik, Ihsan
dc.contributor.authorCirik, Suekran
dc.date.accessioned2025-01-27T21:01:33Z
dc.date.available2025-01-27T21:01:33Z
dc.date.issued2010
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractThe present study provides information on the histomorphological development of digestive system of discus, Symphyosodon spp., larvae during the first month of life. Discus larvae are altricial at hatching, with an undifferentiated digestive tract and a large yolksac, which is completely consumed within 7 days. The mouth opens 3 days after hatching (DAH) and the larvae starts feeding on AF Artemia at 4 DAH when offered. At 3 DAH the digestive tract is differentiated with distinct esophagus, stomach anlage, and mid- and hindguts. At 5 DAH, discus larvae is an active feeder, equipped with partly developed jaws and ossified gill arches and an inflated swim bladder. The liver and pancreas are present and supranuclear inclusion vacuoles (SIV) appear in the hindgut for the first time. Gastric glands in stomach were first observed 7 DAH and proliferated by 11-13 DAH. SIV were a common feature in the midgut and hindgut epithelium until 15-23 DAH. Therefore, exclusive use of artificial diets should be postponed until 2-3 weeks after hatching.
dc.identifier.doi10.1007/s10499-009-9278-y
dc.identifier.endpage601
dc.identifier.issn0967-6120
dc.identifier.issue4
dc.identifier.scopus2-s2.0-77953082097
dc.identifier.scopusqualityQ1
dc.identifier.startpage589
dc.identifier.urihttps://doi.org/10.1007/s10499-009-9278-y
dc.identifier.urihttps://hdl.handle.net/20.500.12428/27094
dc.identifier.volume18
dc.identifier.wosWOS:000278151500008
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherSpringer
dc.relation.ispartofAquaculture International
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectDiscus
dc.subjectSymphysodon spp.
dc.subjectFish larvae
dc.subjectAquarium fish
dc.subjectOrnamental fish
dc.subjectDigestive tract
dc.titleHistological development of digestive tract in discus, Symphysodon spp. larvae
dc.typeArticle

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