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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 ...
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. ...
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 ...
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 m<sup>2</sup> 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 ...
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 ...
Socioeconomic profile of tuna fishers in northwestern Luzon
(Bureau of Agricultural Research, Department of Agriculture, 2007)
A study of tuna fishers in northwestern Luzon (Region I) was done by means of a questionnaire. The 511 respondents included 178 from Ilocos Sur, 200 from La Union, and 133 from Pangasinan. Most of them were younger than ...
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. ...
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 ...