検索
1-10 / 12
Nature's subsidies to shrimp and salmon farming
(American Association for the Advancement of Science, 1998)
Although many fisheries stocks have declined precipitously throughout the world, fish farming--and especially shrimp and salmon farming--has boomed. The increasingly large scale of these enterprises is now having unforeseen ...
Mangroves and brackishwater pond culture in the Philippines
(Springer Verlag, 1995)
Around 50% of mangrove loss in the Philippines can be traced to brackishwater pond construction. The decrease in mangroves from 450 000 ha in 1920 to 132 500 ha in 1990 has been accompanied by expansion of culture ponds ...
Interaction between test and reference populations when tilapia strains are compared by the “internal control” technique
(Elsevier, 1990)
Several strains of Oreochromis niloticus, O. mossambicus and their hybrids occur in the Philippines, and others are likely to be introduced or developed locally in the near future. Our objective was to study biological ...
Induction of sex inversion in juvenile grouper, Epinephelus suillus, (Valenciennes) by injections of 17α-Methyltestosterone
(The Ichthyological Society of Japan, 1994)
Four groups of two-year old juvenile groupers (Epinephelus suillus), each with 8-9 individuals of mean body weight (BW) 1.2 kg, were treated with 17α-methyltestosterone (MT). MT was injected intramuscularly within the range ...
Fish farming in marine pens and cages in the Philippines: appropriate technology?
(Society of Aquaculture Engineers of the Philippines, Inc., 1998)
Contributed as Discussant in Technical Session 3 on Environmental Impacts of Marine Fishcage Farming, 12th Annual Meeting of the Society of Aquaculture Engineers of the Philippines, Inc. (SAEP), held at the BFAR-National ...
The macronutrient composition of natural food organisms mass cultured as larval feed for fish and prawns
(Society of Israeli Aquaculture and Marine Biotechnology, 1990)
The macronutrient composition of natural food organisms that are mass cultured as feed for the larval stages of fish and prawns in the SEAFDEC Aquaculture Department was determined by chemical analysis. The food organisms ...
The sulfide tolerance of milkfish and tilapia in relation to fish kills in farms and natural waters in the Philippines
(Kluwer Academic Publisher, 1998)
Fish kills of milkfish Chanos chanos and tilapia Oreochromis spp. now occur frequently in brackish, marine, and freshwater farms (ponds, pens, and cages) in the Philippines. Aquafarms with high organic load, limited water ...
Changes induced in the gills of milkfish (Chanos chanos Forsskål) fingerlings after acute exposure to nifurpirinol (Furanace; P-7138)
(Springer Verlag, 1995)
The need for a chemotherapeutant used specifically for fish disease became increasingly apparent with intensive fish culture practices, and with the possibility of bacterial resistance against drugs used for human and ...
Evaluation of the salinity tolerance of Oreochromis mossambicus, O. niloticus and their F1 hybrids
(Elsevier, 1990)
The salinity tolerance of freshwater-spawned and reared Oreochromis mossambicus, O. niloticus and their F<sub>1</sub> hybrids of various ages was studied. Several tests were conducted using three indices as practical ...
Effects of long-term exposure to a mixture of cadmium, zinc, and inorganic mercury on two strains of tilapia Oreochromis niloticus (L.)
(Springer Verlag, 1993)
Tilapia are an economically important group of fish. They have a short generation period of 3-6 months, and exhibit successive breeding. In addition, their fast growth, herbivorous or omnivorous feeding habits, high food ...