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Research Output of the Fisheries Sector Program: Volume 2. Reports on Fisheries and Aquaculture: Recent submissions
Now showing items 1-20 of 32
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Competitive and comparative advantages of brackishwater aquaculture of tiger shrimp, mud crab, and milkfish in the Philippines in 1985-1995
(Bureau of Agricultural Research, Department of Agriculture, 2007)The brackishwater aquaculture sector contributes considerably to the growth of the fisheries sector. Tiger shrimp Penaeus monodon, mud crab Scylla serrata, and milkfish Chanos chanos, in particular are efficient users of ... -
The fish processing industry in Central Luzon and the processors' assessment of the extension program of the Department of Agriculture
(Bureau of Agricultural Research, Department of Agriculture, 2007)A survey was done in 1992 of 242 fish processors in Region III or Central Luzon: 57 in Bataan, 39 in Bulacan, 24 in Nueva Ecija, 45 in Pampanga, 41 in Tarlac, and 36 in Zambales. The fish processors were engaged in three ... -
Bacteria and toxin isolated from the dinoflagellate Pyrodinium bahamense var. compressum and production of monoclonal antibodies and diagnostic kits to monitor red tide and toxic mussels
(Bureau of Agricultural Research, Department of Agriculture, 2007)Six bacterial isolates obtained from the red tide dinoflagellate Pyrodinium bahamense var. compressum were found to be toxic. The most toxic isolate MM-11 was cultured, characterized, and identified to be Micrococcus luteus. ... -
The squid fishery in Carigara Bay, Samar: catch of Photololigo duvaucelii by squid jigs and Sepioteuthis lessoniana by hanging squid pot
(Bureau of Agricultural Research, Department of Agriculture, 2007)The squid fishery in Carigara Bay used the following gears: hanging squid pots, squid jigs, drive-in net, and spear by slingshot. Hanging squid pot operations were concentrated in the municipal waters of Capoocan and ... -
Fish catch and fisher incomes before and after installation of artificial reefs in Panguil Bay, northern Mindanao
(Bureau of Agricultural Research, Department of Agriculture, 2007)Two artificial reef complexes (10 modules) were deployed in Panguil Bay in 1990. The effect of the ARs on the fish catch and fisher incomes was studied from March 1993 to April 1994 in Purok 3, 4, 6, and 7 in San Antonio, ... -
Giant squid Thysanoteuthis rhombus caught by jigs in Calauag Bay, southeastern Luzon
(Bureau of Agricultural Research, Department of Agriculture, 2007)Test fishing for the giant squid Thysanoteuthis rhombus using large jigs was conducted in selected areas around Alabat Island, Quezon Province from May 1991 to October 1992. A total of 92 fishing days and 425.3 fishing ... -
Development of various value-added products from 'aloy' or bullet tuna Auxis rochei
(Bureau of Agricultural Research, Department of Agriculture, 2007)The recommended steps in new product development were followed to utilize bullet tuna maximally. New products were generated, evaluated, and refined. Three product concepts were initially advanced to the product optimization ... -
Growth and yield of the grouper Epinephelus coioides fed 'trash fish' at different rates and frequencies in floating net cages
(Bureau of Agricultural Research, Department of Agriculture, 2007)The effects of various feeding rates and frequencies on the growth and survival of orangespotted grouper Epinephelus coides were determined in floating net cages in Tiniguiban Cove, Puerto Princesa, Palawan. Juveniles ... -
Demonstration of tilapia-carp polyculture in lowland and highland farms
(Bureau of Agricultural Research, Department of Agriculture, 2007)Technology demonstration was conducted in three selected lowland freshwater ponds in Lucban, Quezon and in three highland ponds in Ifugao. The ponds varied in location, size, water source, and operators. The polyculture ... -
Improved production of mud crabs Scylla serrata in marine pens with used tires and bamboo tubes as shelters
(Bureau of Agricultural Research, Department of Agriculture, 2007)One serious problem in mud crab farming systems is cannibalism and low survival, but this can been offset by provision of shelters. Two types of shelters were tested on mud crabs grown in bamboo pens set in a mangrove area ... -
Evaluation of fertilizer use and milkfish yields in Palawan
(Bureau of Agricultural Research, Department of Agriculture, 2007)Milkfish yields in Palawan in 1993–94 were low, only 595 kg/ha-yr on average and ranged 100–700 kg/ha-yr in 35 of 50 farms surveyed. Only seven farms had yields between 1,000 and 1,800 kg/ha-yr. Yields were higher in deeper ... -
Yield and agar quality of three red seaweed Gracilaria species grown in tanks at three salinities
(Bureau of Agricultural Research, Department of Agriculture, 2007)Gracilaria changii, G. firma and G. tenuistipitata were collected from the eastern coast of Sorsogon in southeastern Philippines and grown in concrete tanks at the SEAFDEC Aquaculture Department in Iloilo in May-June and ... -
Adaptation of integrated fish-duck-pig farming system in Leyte
(Bureau of Agricultural Research, Department of Agriculture, 2007)Adaptation of a fish-duck-pig integrated farming system was conducted at the Busay Freshwater Experimental Farm in Babatngon, Leyte. Genetically improved farmed tilapia (GIFT) and common carp (at a ratio of 4:1) were stocked ... -
Grow-out of milkfish in net-walled marine pens in La Union
(Bureau of Agricultural Research, Department of Agriculture, 2007)Grow-out of milkfish in 125 m2 net-walled marine pens was tested in Santo Tomas Cove, La Union at three stocking densities of 6, 9, and 12 fish/m2 and using commercial feed (crumbles and pellets) with ... -
Transplantation, hatchery, and grow-out of window-pane oyster Placuna placenta in Guimaras and Iloilo
(Bureau of Agricultural Research, Department of Agriculture, 2007)The windowpane oyster Placuna placenta (local name kapis) used to be harvested in large quantities and support a shellcraft industry in the Philippines, particularly in Panay Island. But the fishery and the industry declined ... -
Use of soybean meal and rice bran in formulated diets for the grouper Epinephelus coioides
(Bureau of Agricultural Research, Department of Agriculture, 2007)Two diets were formulated to include 8–14% soybean meal and 9–18% rice bran, 34–40% fish meal, 4–5% mussel meal, and 7–8% Acetes shrimp meal, and 11–13% cod liver oil. Soy bean meal and rice bran were included at 4:1 ratio ... -
Treatment of shrimp pond effluents by sedimentation and by seaweed and mussel biofiltration
(Bureau of Agricultural Research, Department of Agriculture, 2007)Tiger shrimp Penaeus monodon were stocked in three 1,000 m2 ponds at 12,000 juveniles/pond and grown for 141 days. Water quality in the ponds was monitored over the grow-out period, particularly before and after ... -
Grow-out of the tiger shrimp Penaeus monodon in floating net cages in Batan Bay, northern Panay
(Bureau of Agricultural Research, Department of Agriculture, 2007)The effects of two stocking densities and two feed combinations on growth, survival and production of the giant tiger shrimp Penaeus monodon in floating net cages were studied in an attempt to refine the existing technology ... -
Collection of the mud crab Scylla serrata var paramamosain in Tinagong Dagat and Sapian Bay, northern Panay
(Bureau of Agricultural Research, Department of Agriculture, 2007)Mud crabs were collected by baited traps from the mangroves and estuaries of Tinagong Dagat Bay and Sapian Bay in Capiz, northern Panay monthly over 18 months. Scylla serrata var paramamosain made up 95.4% of the collection ... -
Assessment of grouper resources around Zamboanga City and Basilan, Philippines
(Bureau of Agricultural Research, Department of Agriculture, 2007)A total of 2,643 kg of groupers were collected from six markets (96% of the biomass) and from prescribed fish traps in three fishing grounds (106 kg, 4%) around Zamboanga City and Basilan from November 1993 to October 1994. ...
