クエ <I>Epinephelus bruneus</I> × タマカイ <I>E. lanceolatus</I> の種間交雑と交雑仔稚魚の成長

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タイトル別名
  • Interspecific hybridization of longtooth grouper <I>Epinephelus bruneus</I> × giant grouper <I>E. lanceolatus</I> and growth of hybrid larvae and juveniles
  • クエEpinephelus bruneus×タマカイE. lanceolatusの種間交雑と交雑仔稚魚の成長
  • クエ Epinephelus bruneus × タマカイ E. lanceolatus ノ タネ カン コウザツ ト コウザツ シチギョ ノ セイチョウ

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説明

In order to breed a faster-growing grouper, the longtooth grouper, Epinephelus bruneus (LG), was hybridized with the giant grouper, E. lanceolatus (GG). Eggs from a female LG that was injected with HCG were inseminated by the fresh sperm of LG and cryopreserved sperm of GG obtained from a fish in Malaysia. Normal hatching rate was 8.8% (LGGG) and 18.6% (LG), respectively. The LGGG and LG larvae were raised for 61 days after hatching; the survival and mean size were 17.5, 42.0% and 63.6±11.3, 36.2±8.7 mm, respectively. This new hybrid grouper would be a promising-breed for aquaculture.

収録刊行物

  • 水産増殖

    水産増殖 65 (1), 93-95, 2017

    日本水産増殖学会

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