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Now showing items 21-29 of 29
Conservation and farming of a common freshwater food clam, tulla (Corbicula manilensis Philippi 1844), in the Laguna Lake basin
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005)
Stocking of tulla (Corbicula manilensis) in small water impounding dam was studied in the Angat Watersheds, Bulacan, Philippines at elevation 209 m above mean sea level. Result of the study indicates that tulla introduction ...
Series: Summary of Proceedings No. 1/2013;
Save Lake Buhi now
(PCAARRD-DOST, 2013)
Lake Buhi (Fig. 1) is found in Buhi, Camarines Sur. It is situated at the north-eastern part of Iriga City. The lake has an area of 18 km2 and has an average depth of 8 m. The lake lies in the valley formed by two ancient ...
Aquaculture practices in Laguna de Bay, Philippines
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005)
A survey was conducted to obtain information on the fish culture practices of the fish farmers in Laguna de Bay, Philippines. Fish farms vary greatly in size. Nile tilapia and bighead carp are the two fish species cultured ...
Culture studies on Tilapia sp. under saline conditions at the Brackishwater Aquaculture Center
(Philippine Council for Agriculture, Forestry and Natural Resources Research and Development, 1987)
This paper reviews the various researches on tilapia at the BAC with the purpose of disseminating the information so far generated and identifying the gaps in tilapia research under saline conditions.
Primary studies on ...
Series: JIRCAS Working Report;No. 35
Trends in cultivation management after the decline of prawn production in brackishwater aquaculture in the Philippines
(Japan International Center for Agricultural Sciences, 2003)
A survey was conducted in Regions 1 (Ilocos), 3 (Central Luzon), 6 (Western Visayas) and 7 (Central Visayas) of the Philippines between 20 May and 25 July 2002. Questionnaires were distributed and interviews were performed ...
Series: JIRCAS Working Report;No. 35
Development of control methods of factors suppressing sustainable production of aquaculture species: Isolation of a piscine nodavirus from hatchery-reared sea bass Lates calcarifer in the Philippines
(Japan International Center for Agricultural Sciences, 2003)
The etiological study on mass mortality of larval sea bass Lates calcarifer cultured in the Philippines, demonstrated that the mortality was caused by viral nervous necrosis (VNN). Affected sea bass exhibited abnormal ...
Series: JIRCAS Working Report;No. 35
Development for control methods for factors suppressing sustainable production of aquaculture species: Experimental transmission of piscine nodavirus-induced viral nervous necrosis to the orange-spotted grouper Epinephelus coioides
(Japan International Center for Agricultural Sciences, 2003)
Viral nervous necrosis (VNN) of larval orange-spotted grouper Epinephelus coioides has been recorded recently in the Philippines. The present study describes the pathogenicity of a piscine nodavirus (betanodavirus), the ...
Fish cage and pen aquaculture: Impact on lake environment
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005)
The continuous utilization of the aquatic resources of the Philippines - both fresh and marine waters -for food and feeds including export of fish and other fishery products, had resulted to greater exploitation of these ...
Series: Summary of Proceedings No. 1/2013;
Preliminary observations on the diel vertical migration of crustacean zooplankton in aquaculture and aquaculture-free areas of Lake Taal, Philippines
(PCAARRD-DOST, 2013)
Freshwater zooplankton in tropical caldera lakes with intensive aquaculture are exposed to physical, chemical, and biological influences that have differences with other lake types. This study compares the diel vertical ...