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    • 01 SEAFDEC/AQD Publications
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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) Open Access
    Downloads: 1,917
    Date
    1996
    Author
    Emata, A. C.
    Eullaran, B.
    de los Santos, M.
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    3,307
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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
    Subject
    Rearing; Culture tanks; Sexual maturity; Fish eggs; Induced breeding; Spawning; Brood stocks; Hatching; Fish culture; Sex hormones; Lutjanus argentimaculatus; Mangrove jack
    Collections
    • Breeding and Seed Production of Cultured Finfishes in the Philippines [31]


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