Now showing items 1-10 of 53
The lancelets [Cephalochordata, Amphioxi] of Lucena Anchorage, Quezon, Philippines
- Kalikasan: The Philippine Journal of Biology, 1978 - University of the Philippines at Los Baños
Two species of lancelets (amphioxi) are described from Philippine waters: Branchiostoma belcheri and Epigonichthys cultellus. The characters suited for numerical evaluation in both species were examined statistically. ...
Notes on the construction of 12 cu m ferrocement tank for prawn broodstock
- Journal of Ferrocement, 1978 - International Ferrocement Information Center
One of the important research studies at the Aquaculture Department of SEAFDEC is the maturation of Penaeus monodon females in captivity. Equal numbers of male and female prawns are stocked in tanks. Ovarian maturation is ...
Basis for a blue revolution?
- In D Spurgeon (Ed.), Give us the Tools: Science and Technology for Development, 1979 - International Development Research Centre
In 1977, scientists at the Southeast Asian Fisheries Development Centre (SEAFDEC) in the Philippines became the first anywhere to succeed in breeding milkfish (Chanos chanos) in captivity. The advance was made possible by ...
A study on certain aspects on the biology and control of Caligus sp., an ectoparasite of the adult milkfish Chanos chanos (Forskal)
- Fisheries Research Journal of the Philippines, 1978 - Fisheries Research Society of the Philippines
One unidentified species of copepod belonging to the genus Caligus was found to infest the adult milkfish broodstock kept in canvas tanks at the SEAFDEC research station in Mag-aba, Pandan, Antique, Philippines. This report ...
Effect of different stocking densities on survival and growth of sugpo (Penaeus monodon Fabricius) in a milkfish-rearing pond
- Philippine Journal of Science, 1976 - STII-DOST
Employing a direct stocking monoculture method, postlarval P. monodon were stocked in 8 compartments of a shallow milkfish rearing pond at densities of 1, 2, 3 and 4/sq m with replicates. Feeding was exclusively natural ...
Observations on artificial fertilization of eggs and embryonic and larval development of milkfish, Chanos chanos (Forskal)
- Aquaculture, 1978 - Elsevier
Hydrated eggs obtained from a female milkfish, Chanos chanos, were artificially fertilized with the milt collected from a male injected with acetone-dried pituitaries of salmon. The fertilized eggs (1.1–1.25 mm in diameter) ...
Feeding regimes in relation to reproduction and survival of ablated Penaeus monodon
- Kalikasan, The Philippine Journal of Biology, 1979 - University of the Philippines at Los Baños
Pond-reared P. monodon were stocked in four 12-cu m flowthrough maturation tanks at 25 males and 50 females per tank; females were unilaterally ablated. The combinations of feeds for the morning and afternoon rations were ...
Notes on the courtship and mating behavior in Penaeus monodon Fabricius (Decapoda, Natantia)
- Crustaceana, 1979 - Brill Academic Publishers
Courtship and mating behavior in the sugpo or giant tiger prawn, Penaeus monodon Fabricius, are described. These are divided into three phases: parallel swimming of male and female; male turns ventral side up to female; ...
Induced maturation and spawning in five-month-old Penaeus monodon Fabricius by eyestalk ablation
- Aquaculture, 1978 - Elsevier
Pond-reared sugpo (Penaeus monodon Fabricius) females from coastal fry harvested after 4 months were unilaterally ablated and stocked in an indoor concrete tank with an equal number of males. The first two spawnings were ...
Ovarian rematuration of ablated sugpo prawn Penaeus monodon Fabricius
- Annales de biologie animale, biochimie, biophysique, 1978 - Institut National de la Recherche Agronomique
Spent Penaeus monodon females were tagged around one eyestalk with numbered brass tags, stocked in a concrete tank with males, and periodically examined for ovarian rematuration over a six-month period (February to August, ...