03 SEAFDEC External Publications: Recent submissions

Now showing items 1661-1680 of 1743

    • Hormonal changes accompanying sexual maturation in milkfish Chanos chanos Forsskal 

      Marte, C. L.; Lam, T. J. (Nagoya University Corporation, 1987)
      In spite of the economic importance of milkfish to the Southeast Asia, relatively little information is available on its reproductive biology and physiology. Milkfish has a prolonged juvenile phase undergoes first sexual ...

    • Current fish disease problems in the Philippines and their economic impact 

      Llobrera, Alcestis T. (1987)
      An account is given of fish disease problems facing the aquaculture industry in the Philippines. The Laguna de Bay fish kills that occurred in December 1985 and February 1986, involving epizootic ulcerative syndrome of ...

    • Milkfish culture and artificial propagation 

      Marte, Clarissa L. (Marine Science Research Laboratory, Memorial University of Newfoundland, 1987)
      Milkfish (Chanos chanos Forsskal) is widely distributed in the Indo-Pacific region and one of the most extensively cultured fish in Southeast Asia. In the Philippines, Indonesia and Taiwan, over 400,000 hectares of ...

    • Releasing hormones as an effective agent in the induction of spawning in captivity of sea bass (Lates calcarifer) 

      Nacario, Jonathan F. (Australian Centre for International Agricultural Research, 1987)
      A study was conducted to evaluate the effectiveness of luteinising-hormone releasing hormones in the induction of spawning of Lates calcarifer using different administration techniques: pellet implantation, Chinese analogue ...

    • Nutrient flow and physicochemical profile studies of an integrated poultry-salt-Artemia-milkfish-sea bass-shrimp pond production system 

      Jumalon, Nepheronia A.; Ogburn, Damian M. (Wetteren, Belgium: Universal Press, 1987)
      The physicochemical and biological parameters of an integrated flow-through poultry-salt-Artemia-milkfish-sea bass-shrimp pond production system were monitored for 6 months to determine the pattern of nutrient changes and ...

    • Tilapia hatchery and nursery systems: Operation and management 

      Bautista, Antonio M. (Philippine Council for Agriculture, Forestry and Natural Resources Research and Development; Bureau of Fisheries and Aquatic Resources; Aquaculture Department, Southeast Asian Fisheries Development Center, 1987)
      The successful and profitable production of Tilapia nilotica in ponds or cages is predominantly influenced by the environment and hereditary traits of the stock. Therefore, stocking of high quality fingerlings is a major ...

    • Commercial production of Artemia in the Philippines 

      Jumalon, Nepheronia A.; Estenor, Demetrio G.; Ogburn, Damian M. (Universal Press, 1987)
      This paper summarizes experiences and findings in the development of a tidal saltpond system, integrated for commercial Artemia production. The basic rules of successful pond production of fish and shrimp, which are the ...

    • Constraints and prospects in aquaculture development. 

      Lacanilao, F. (Nagoya University Corporation, 1987)
      The development of aquaculture in developing countries of the Asia-Pacific region is constrained by inadequate seeds, diseases and other causes of mortality, lack of effective natural food and formulated feeds, problems ...

    • Spawner size and the biological components of the reproduction process in Penaeus monodon Fabricius. 

      Villegas, C.T.; Triño, A.T.; Traviña, R.D. (1986)
      The biological components of the reproduction process of Penaeus monodon spawners collected from the wild along Tigbauan-Guimbal coastal area, Philippines, were evaluated. Data were collected on wet body weight, eggs per ...

    • Induced maturation in ablated Penaeus notialis and Penaeus schmitti 

      Trujillo, Laida Ramos; Primavera, Jurgenne H. (Asian Fisheries Society, 1986)
      Wild Penaeus notialis and P. schmitti were induced to mature by unilateral eyestalk ablation of females in 0.5, 1.6 and 2.0-m super(3) tanks stocked at 9-12 shrimps/m super(3). A total of 71 spawns was obtained from 80 P. ...

    • Fry and fingerling collection and handling 

      Villaluz, Antonio C. (The Oceanic Institute, 1986)
      A review is made of methods and practices of collection, storage, transport and acclimation of milkfish (Chanos chanos ) fry and fingerlings in various countries. Factors affecting catch and survival are examined.

    • Layout and design of aquaculture project: pen and cage systems 

      Yu, Orlando K. (ASEAN/UNDP/FAO Regional Small Scale Coastal Fisheries Development Project, 1986)
      Various floating cage and fishpen designs are employed to meet enclosure requirements of shrimp and milkfish brood-stock, and for rearing of other finfish at the lgang Substation of the SEAFDEC Aquaculture Department in ...

    • The evaluation of hydraulic characteristics of some fish culture tanks 

      Vizcarra, A.T. (1986)
      In search for the most efficient type of tank for the culture of rainbow trout, the hydraulic characteristics of small-scale cross-section raceway, circular and vertical tanks were evaluated using the pulse-response method ...

    • Comparative performance of three propeller blades used for push pumps 

      Torres, P.L, Jr.; Jaspe, S.J.; Oniate, L.; Silomenio, A. (ASEAN/UNDP/FAO Regional Small Scale Coastal Fisheries Development Project, 1986)
      With the increasing trend to use pumps in aquaculture operations, tests were conducted on push pumps with three different propeller types. Type 21, a stainless two-bladed propeller where the blades were aligned together ...

    • Use of ferrocement as secondary gate of fishponds. 

      Torres Jr., Pastor L.; Barros, W.; Jaspe, S. J.; Oniate, L. (ASEAN/UNDP/FAO Regional Small Scale Coastal Fisheries Development Project, 1986)
      Ferrocement was first used in the Department in fabrication of broodstock and hatchery tanks for shrimp. In 1981, the Capital Outlay Project at Leganes called for the design and construction of 210 gates, consisting of 2 ...

    • Design and construction of a fishpen for an aquaculture-based social laboratory 

      Traviña, Vicente S. (ASEAN/UNDP/FAO Regional Small Scale Coastal Fisheries Development Project, 1986)
      A pilot project for the pen culture of Tilapia nilotica and bighead carp in an irrigation canal was initiated in Barangay Cauayan, Pototan, Iloilo. The project, Cauayan Social Laboratory, involves cooperators from the ...

    • Histopathology of chlorella-feeding in larval milkfish, Chanos chanos 

      Segner, Helmut; Burkhardt, Patricia; Avila, Enrique M.; Storch, Volker; Juario, Jesus V. (1986)
      Unicellular algae, particularly Chlorella, are widely used as starter feeds for marine finfish larvae. However, milk fish larvae when reared on Chlorella sp., suffered morality up to 100% within the first days of feeding ...

    • Intensification techniques in the extensive culture of Penaeus monodon 

      Tiro, Leonardo B.; Pudadera, Beato J.; Potestas, Ihra O.; Kungvankij, Pinij (Asian Fisheries Society, 1986)
      Traditional shrimp (Penaeus monodon) farming is characterized by low yields, 100-300 kg/ha/yr. To provide farmers with appropriate technology that can immediately improve pond yield with minimal investment, experiments ...

    • The saltwater system at the Tigbauan Research Station of the Southeast Asian Fisheries Development Center, Aquaculture Department. 

      Tillo, S.R.A. (ASEAN/UNDP/FAO Regional Small Scale Coastal Fisheries Development Project, 1986)
      Constructed in 1974, the present saltwater system of the SEAFDEC/AQD Tigbauan Research Station (TRS) consists of five pumps, two sump pits, a buffer, sedimentation and filtration treatment system (BSF), an intake pipe, and ...

    • Nutrition and feeds 

      Santiago, Corazon B. (Oceanic Institute, 1986)
      Milkfish culture is gradually shifting from the traditional extensive aquaculture system, where in the fish depends mainly on natural food for growth, to semi=intensive or intensive culture systems in which additional ...