Notes on the completion of the life cycle of Penaeus japonicus in captivity in the Philippines
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Penaeus japonicus nauplii from wild spawners were reared up to the early postlarval stage (PL20) in 12-t concrete tanks. A survival rate of 13-15% was obtained. Hatchery-reared postlarvae were restocked in concrete tanks for grow-out. After six months, survival rate was 49.3% with mean body weight of 20 g and carapace length of 21-33 mm. Ablated and unablated females were stocked together with males at 1:1 sex ratio in broodstock tanks. After three months, 11% of the ablated prawns spawned whereas 1.4% of unablated females spawned after five months. Nauplii from these spawnings were reared up to the adult stage thus completing the life cycle of J. japonicus in captivity.
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Quinitio, E. T., Parado-Estepa, F. D., & Coniza, E. (1991). Notes on the completion of the life cycle of Penaeus japonicus in captivity in the Philippines. Philippine Journal of Science , 120(2), 155-158. http://hdl.handle.net/10862/1347
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