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  • 03 SEAFDEC/AQD External Publications
  • Journal Articles, Conference Papers and Book Chapters by SEAFDEC Staff
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Changes in the gastrointestinal tract and associated organs during early development of the grouper (Epinephelus coioides)

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日付
2004
著者
Quinitio, Gerald F.
Sa-an, Analyn C.
Toledo, Joebert D.
Tan-Fermin, Josefa D.
Page views
8,195
主題
digestive system ASFA
fish larvae ASFA
histology ASFA
larval stage ASFA
marine fish ASFA
Epinephelus coioides AGROVOC
groupers AGROVOC
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The histomorphological changes in the gastrointestinal tract of Epinephelus coioides and associated organs during its early development were studied. Larvae of E. coioides were reared in 5-tonne tanks using the semi-intensive culture system. Larval samples were collected at days 0, 2, 4, 6, 8, 10, 12, 14, 16, 20, 25, 30, 35, 40, 45 and 60. The total length (TL) of about 10-20 larvae per sampling was measured. At least 3 samples were examined from each stage for longitudinal sections using light microscopy. The digestive tract of day 0 larvae was a straight, undifferentiated tube composed of simple cuboidal cells. At day 2, cellular differentiation was observed in the pharynx, oesophagus, primordial stomach and intestine. The primordial stomach broadened into a voluminous pouch at day 10. The gastric gland was observed in the stomach from day 20. Day 35 seemed to be the proper time to feed larvae with minced fish when using the semi-intensive rearing system. Insignificant histomorphological changes in the metamorphosing grouper larvae were observed from days 40-60.
URI
http://hdl.handle.net/10862/2407
Suggested Citation
Quinitio, G. F., Sa-an, A. C., Toledo, J. D., & Tan-Fermin, J. D. (2004). Changes in the gastrointestinal tract and associated organs during early development of the grouper (Epinephelus coioides). In M. A. Rimmer, S. McBride, & K. C. Williams (Eds.), Advances in grouper aquaculture (pp. 26–29). Canberra: Australian Centre for International Agricultural Research.
Type
Book chapter
ISBN
9781863204385
シリーズ
ACIAR Monograph 110
Collections
  • Books and Book Chapters [103]


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