Abstract：
:The aim of this study was to characterize histological changes during opercular osteogenesis in farmed gilthead sea bream Sparus aurata larvae from 7 to 69 days post hatching (dph) and compare normal osteogenesis with that of deformed opercles. Mild opercular deformities were first detected in 19 dph larvae by folding of the opercle's distal edge into the gill chamber. Here, the variation in the phenotype and the irregular bone structure at the curled part of the opercles is described and compared with the histology of normal opercles. Results indicated that deformed opercles still undergo bone growth with the addition of new matrix by osteoblasts at the opercular surface, especially at its edges. No significant difference was found in bone thickness between deformed and normal opercles. In addition to differences in bone architecture, differences in collagen fibre thickness between normal and deformed opercles were also found.
journal_name
J Fish Bioljournal_title
Journal of fish biologyauthors
Thuong NP,Verstraeten B,Kegel BD,Christiaens J,Wolf TD,Sorgeloos P,Bonte D,Adriaens Ddoi
10.1111/jfb.13460subject
Has Abstractpub_date
2017-11-01 00:00:00pages
1419-1434issue
5eissn
0022-1112issn
1095-8649journal_volume
91pub_type
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