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  • 01 SEAFDEC Publications
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  • Breeding and Seed Production of Cultured Finfishes in the Philippines
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  •   SEAFDEC Institutional Repository (SIR)
  • 01 SEAFDEC Publications
  • 02 Technical Publications and Reports on Aquaculture
  • AQD Technical Publications and Reports on Aquaculture
  • Breeding and Seed Production of Cultured Finfishes in the Philippines
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Maturation of Oreochromis niloticus gonads

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bspcfp_p107a.pdf (39.55Kb)
Date
1996
Author
Casauay, A. A.
Carino, V. S.
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Abstract
At hatching when fry were 5 to 6 mm, primordial germ cells (PGCs) were found to concentrate along the dorsomedian region of the peritoneal wall at the root of the developing mesentery and in places far from the appearance of testocoel and ovocoel. At 56 days posthatching, oogenic cells in the ovary had enlarged approximately 2 to 3 times their former size. The testis remained quiescent although the stromal tissues with developing efferent ducts increased distinctly in amount. Spermatogenesis occurred at three months posthatching.
Description
Abstract only.
URI
http://hdl.handle.net/10862/593
Suggested Citation
Casauay, A. A., & Carino, V. S. (1996). Maturation of Oreochromis niloticus gonads. In C. L. Marte, G. F. Quinitio, & A. C. Emata (Eds.), Proceedings of the Seminar-Workshop on Breeding and Seed Production of Cultured Finfishes in the Philippines, Tigbauan, Iloilo, Philippines, 4-5 May 1993 (p. 107). Tigbauan, Iloilo, Philippines: Aquaculture Department, Southeast Asian Fisheries Development Center.
Subject
testes ASFA; sexual maturity ASFA; sexual reproduction ASFA; gonads ASFA; ovaries ASFA; Freshwater fish; spermatogenesis ASFA; hatching ASFA; Oreochromis niloticus
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  • Breeding and Seed Production of Cultured Finfishes in the Philippines [31]

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