Hormone induced spawning of red snapper, Lutjanus campechanus |
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Authors: | RVernon Minton John P Hawke Walter M Tatum |
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Institution: | Alabama Department of Conservation and Natural Resources, Marine Resources Division, P.O. Drawer 458, Gulf Shores, AL 36542, U.S.A. |
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Abstract: | Red snapper, Lutjanus campechanus, were induced to ovulate following injections of Human Chorionic Gonadotropin (HCG). Females were injected initially with 1.1 IU/g body weight. When subsequent injections were necessary, 0.55 IU/g of body weight was used. Ovulation occurred between 42 and 56 h following injection. Eggs were wet stripped and fertilized simultaneously with sperm from two males. Initial mitosis was detected 30 min post fertilization. Hatching occurred in 20 h at 27°C. |
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