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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
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  • Breeding and Seed Production of Cultured Finfishes in the Philippines
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Induced spawning of the mangrove red snapper, Lutjanus argentimaculatus

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bspcfp_p107b.pdf (39.66Kb)
Date
1996
Author
Emata, Arnil C.
Eullaran, B.
de los Santos, M.
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192
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Abstract
Wild-caught mangrove red snapper, Lutjanus argentimaculatus, reared for a year in 4.0 m diameter by 1.5 m deep circular concrete tank spontaneously matured and were used for induced spawning trials. On 19 August 1992, a sexually mature female (4.6 kg BW) and male (3.2 kg BW) fish were given a single intramuscular injection of 1500 IU human chorionic gonadotropin (hCG)/kg BW. Spawning occurred 27 h after injection with total egg collection of 1.3 M. Hatching occurred 16 h after spawning at 28 °C and 32 ppt. On 18 March 1993, the same male and female together with a newly-caught spermiating male (6.3 kg BW) were injected intramuscularly with 100 µg luteinizing hormone-releasing hormone analogue (LHRHa)/kg BW. Spawning occurred 44 hours after injection with the total egg collection of 0.7 M. Hatching occurred 16 hours after spawning at the same temperature and salinity as the first trial. The successful spawning trials encourage further research to determine the effective minimum dose of hCG and LHRHa.
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Abstract only.
URI
http://hdl.handle.net/10862/594
Suggested Citation
Emata, A. C., Eullaran, B., & de los Santos, M. (1996). Induced spawning of the mangrove red snapper, Lutjanus argentimaculatus. 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
rearing techniques ASFA; culture tanks ASFA; sexual maturity ASFA; fish eggs ASFA; induced ovulation ASFA; spawning ASFA; breeding stock ASFA; hatching ASFA; fish culture ASFA; sex hormones ASFA; Lutjanus argentimaculatus; Mangrove jack
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  • Breeding and Seed Production of Cultured Finfishes in the Philippines [31]

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