検索
1-10 / 16
Preliminary studies on predicting the setting season of oysters for the benefit of shellfish farmers
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1981)
Preliminary findings from a spatfall forecasting programme initiated in April 1981 at Himamaylan River, Negros Occidental are presented. Two main activities are involved: 1) monitoring of daily counts of oyster larvae in ...
Bioenergetics of the freshwater prosobranch Idiopoma angularis Muller in Laguna de Bay
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1977)
This study was made as an attempt to investigate some of the ecological aspects of the freshwater snail Idiopoma angularis Muller in a modern framework of energy flow and mathematical models. It offers the first investigation ...
Fundamental study on the behavior of milkfish fry for the evaluation of the efficiency of traditional fry collecting gears in the Philippines
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1980)
The response of Chanos chanos fry to moving and stationary nets of different mesh size and colour, underwater visibility of the nets and water filtration were studied. Results indicate that milkfish fry may be driven by ...
Successful inoculation of Artemia and production of cysts in man-made salterns in the Philippines
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1979)
The authors report on inoculation experiments of Artemia nauplii and young adults of the San Francisco Bay strains in earthen fish ponds. The test inoculated proved successful where water salinity ranges from 20 to 32 ...
Mass production of Penaeus monodon Fabricius juveniles in earthen nursery ponds
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1979)
Different culture techniques were tried for rearing larvae of Penaeus monodon , in order to obtain preliminary data on stocking density, water management, fertilization versus feeding and effect of different types of ...
An experimental assessment of the aquaculture potential of the brown mussel, Modiolus metcalfei
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1978)
A study was conducted at Banate Bay, Iloilo, from November 1975 to March 1976. Trials were conducted using spat collectors of four types, but no Modiolus metcalfei spat settled on any of the experimental collectors during ...
Biology and farming of the green mussel Mytilus smaragdinus
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1977)
Biological investigations were carried out in Sapian Bay, Capiz from November 1975 to December 1976 with samplings conducted fortnightly. Histological studies on the gonad reveal a high percentage of ripe and spent females ...
Ecology and life history of penaeid shrimps
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1977)
Fourteen species of penaeid shrimps with commercial value in Batan Bay and Tigbauan-Guimbal waters were identified as follows: Penaeus monodon, P. semisulcatus, P. japonicus, Metapenaeus ensis, M. burkenroadi, M. endeavouri, ...
Milkfish fry occurrence pattern in two localities along the Western Coast of Panay Island
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1978)
The results are presented of a study of milkfish fry occurrence in the Philippines, namely at Magaba and at Tubog. There were 2 peaks of fry occurrence in the latter, one in May and another in October, whereas only one ...
Results of drift card experiments and considerations on the movement of milkfish eggs and larvae in the northern Sulu Sea
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1979)
For a period of one year beginning December 1977, drift card experiments were conducted off the western and southern coasts of Panay Island to determine the surface currents in the area. Of a total 2,384 drift cards released ...