Browsing Bureau of Agricultural Research (BAR) by Title
Now showing items 1-20 of 32
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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 ... -
Agricultural run-off and pollution in Imbang River, Negros Occidental
(Bureau of Agricultural Research, Department of Agriculture, 2007)This study determined the concentration of key pollutants carried by agricultural run-off from the drainage area of Imbang River, Negros Occidental over a two-year period. The quantities loaded into the river were estimated ... -
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. ... -
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. ... -
Bacterial loads in hatcheries and virulence of Vibrio spp. to larvae of the tiger shrimp Penaeus monodon
(Bureau of Agricultural Research, Department of Agriculture, 2007)Shrimp hatcheries are high-density systems and are prone to diseases. A small-scale and a large-scale hatchery for the tiger shrimp Penaeus monodon in Iloilo, Philippines were monitored over two months for water quality ... -
Changes in the fish diversity and abundance on a heavily fished fringing reef on Santiago Island, Pangasinan, Philippines
(Bureau of Agricultural Research, Department of Agriculture, 2007)Fish assemblages on the reef slope, reef flat, and seagrass beds on Santiago Island were sampled over 18 months in 1992-1993 as part of a 6-year reef monitoring project started in 1986. Abundance and species diversity were ... -
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 ... -
Collection of the orange-spotted grouper Epinephelus coioides from Tinagong Dagat and Sapian Bay in northern Panay
(Bureau of Agricultural Research, Department of Agriculture, 2007)In Capiz, northern Panay, grouper catches by hand picking, hook and line, shelters, and fish corral were low throughout the year, on average 1-3 fish from each fishing operation, but higher in Tinagong Dagat than in Sapian ... -
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 ... -
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 ... -
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 ... -
Diet and sexual maturity of yellowfin and skipjack tuna taken by hand lines from fish-aggregating 'payaw' off northwestern Luzon
(Bureau of Agricultural Research, Department of Agriculture, 2007)Skipjack tuna Katsuwonus pelamis and yellowfin or albacore tuna Thunnus albacares taken by hand lines from the 'payaw' off La Union and Ilocos Sur were sampled from April 1994 until August 1995. Skipjack ranged from 28 cm ... -
Domestic effluents and pollution in Imbang River, Negros Occidental
(Bureau of Agricultural Research, Department of Agriculture, 2007)Domestic effluents, or waste waters from human settlements, were sampled from eight stations along Imbang River in Negros Occidental from July 1993 to February 1995. Three types of domestic waste waters were produced by ... -
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 ... -
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, ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ...
