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Now showing items 251-260 of 297
Comparative performance of three propeller blades used for push pumps.
(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 ...
Incidence and causes of mass fish kill in a shallow tropical eutrophic lake (Laguna de Bay, Philippines)
(Shiga Prefectural Government, 2001)
Mass fish kills in Laguna de Bay, the largest lake in the Philippines, has been reported as early as in the 1930’s. With the introduction of and development of aquaculture in this lake, considerable attention and concern ...
Growth, molting, food ingestion, and absorption in juvenile Macrobrachium rosebergii in relation to dissolved oxygen
(European Aquaculture Society, 1989)
Growth, molting, food ingestion, and absorption in juvenile Macrobrachium rosenbergii were evaluated at 2.5, 3.5, 5.0, and 7.7ppm dissolved oxygen (DO), 29°C, and 0.5°/oo salinity. DO levels were maintained by bubbling ...
Response of Penaeus monodon juveniles to aflatoxin B1 dietary contamination
(Asian Fisheries Society, 1994)
Cage culture of Kappaphycus alvarezii (doty) doty and Epinephelus sp.
(Marine Science Institute, University of the Philippines, 1994)
Kappaphycus alvarezii seedlings were cultured in cluster, vertically and horizontally using nylon monofilament rope attached to a bamboo raft installed inside a 5 x 5 m floating cage. Juveniles of Epinephelus sp. were ...
Electrophoretic studies on induced gynogenetic diploids and triploids in tilapia (Oreochromis niloticus and O. aureus)
(Department of Fisheries; International Center for Living Aquatic Resources Management. ICLARM Conference Proceedings 15, 1988)
Preliminary electrophoretic screening of laboratory maintained tilapia stocks revealed enzyme polymorphism at 3 co-dominantly inherited loci--adenosine deaminase (Ada), aminopeptidase (Ap) and malic enzyme (Me-2). Oreochromis ...
Recent developments in freshwater and marine cage aquaculture in the Philippines
(Asian Fisheries Society; World Aquaculture Society - Southeast Asian Chapter, 2000)
Fish production from freshwater cages and pens, and marine cages and pens constitute 19% of the total foodfish produced from aquaculture in the Philippines. In 1998, production from freshwater cages and pens contributed ...
The plight of older women in a fishing village: The women fish traders of Bugtong Bato, Aklan, central Philippines
(ICLARM, 2001)
The changing nature of the fisheries in Bugtong Bato, a small fishing community in Central Philippines has also changed the role of women, particularly of older women, in the community. Until the 1980s, fishing used mainly ...
Induced maturation in ablated Penaeus notialis and Penaeus schmitti
(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. ...
Postlarvae density and photoperiod effects on the settlement and metamorphosis of the donkey's ear abalone, Haliotis asinina Linne, 1758
(Phuket Marine Biological Center, 2000)
The effects of photoperiod and density of postlarvae on settlement and metamorphosis of the native abalone, <i>Haliotis asinina</i> were determined in two separate experiments. Abalone larvae were hatched from spontaneously ...