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  • Breeding and Seed Production of Cultured Finfishes in the Philippines
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  • 01 SEAFDEC/AQD Publications
  • Conference Proceedings
  • 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) Open Access
Downloads: 2,011
Date
1996
Author
Emata, Arnil C.
Eullaran, B.
de los Santos, M.
Page views
6,881
ASFA keyword
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
AGROVOC keyword
Lutjanus argentimaculatus AGROVOC
Mangrove jack
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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.
Description
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.
Type
Conference paper
ISBN
9718511326
Collections
  • Breeding and Seed Production of Cultured Finfishes in the Philippines [31]


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