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Water quality in Imbang river, Negros Occidental: effluents and pollutant loads from agriculture, sugar mills, households, and shrimp farms
(Bureau of Agricultural Research, Department of Agriculture, 2007)
An ecological assessment of Imbang River in Negros Occidental was undertaken from December 1992 to February 1995. The effluents from sugar mills, households, shrimp farms, sugarcane plantations and rice fields were ...
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 ...
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 ...
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 ...
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 ...
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 m<sup>2</sup> net-walled marine pens was tested in Santo Tomas Cove, La Union at three stocking densities of 6, 9, and 12 fish/m<sup>2</sup> and using commercial feed (crumbles and pellets) with ...
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 ...
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 ...
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 ...
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 ...