Induced Spawning of Nassau Grouper Epinephelus striatus |
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| Authors: | John W. Tucker Jr. J. Eugene Parsons Gina C. Ebanks Phillippe G. Bush |
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| Affiliation: | Harbor Branch Oceanographic Institution. 5600 Old Dixie Highway, Fort Pierce, Florida 34946 USA;Cayman Islands Natural Resources Laboratory, Box 486, Grand Cuyman, British West Indies |
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| Abstract: | ![]()
Nassau grouper Epinephelus striurus females ovulated 48–51 h after the first of two intramuscular injections of human chorionic gonadotropin given 24 h apart (usually 0.7 IU/gram body weight). Typical spawns contained 400,000–600,000 eggs. With fresh milt and clean water, fertilization rate was 85 and 86%. Survival from fertilization to first feeding for six spawns was 73–94%. |
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