Field practice report on method of giant clam (Tridacna spp.) hatchery at the Bureau of Fisheries and Aquatic Resources- Guiuan Marine Fisheries Development Center Guiuan Eastern Samar [manuscript]
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Date
2017
Authors
Jeffrey A. Manansala
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Abstract
The field practice was undertaken at the Nureau of Fisheries and Aquactic Resources-Guiuan Marine Fisheries Development Center in Guiuan, Eastern Samar from June 18, 2016 to July 23, 2016, exactly a month of training. The training was focused on the hatchery of giant clams. The hatchery aimed to increase the number of giant clam wild stocks. The hatchery is headed by Ms. Candelaria A. Salamida whi is also the hatchery technician, she is aided by her only one staff, Mr. Jose Rusty Benablo.
The trainee's activities involving the giant clam hatchery included broodstock collection and management, induced spawning, natural food culture, feeding, larval rearing and water management. His other activities included reseeding of giant clam, induced spawning of sea cucumber, and grafting of pearl oyster.
In addition, he evaluated the strength and weaknesses of the giant clam hatchery. His assessment shows that the strengths of the hatchery included complete materials for culture, sufficient water and good power supplies. On the other hand, he observed that the weaknesses of the hatchery included lack of manpower as well as insufficient technical knowledge, and need to techniques.