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Mass production in concrete tanks of sugpo Penaeus monodon Fabricius spawners by eyestalk ablation
(Fisheries Research Society of the Philippines, 1978)
Two batches of 196 and 181 P. monodon females were ablated on one eyestalk in March and July 1977, respectively, and a control batch of 180 unablated females was stocked in July 1977. The females were stocked with males ...
Ovarian rematuration of ablated sugpo prawn Penaeus monodon Fabricius
(Institut National de la Recherche Agronomique, 1978)
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, ...
Induced maturation and spawning in five-month-old Penaeus monodon Fabricius by eyestalk ablation
(Elsevier, 1978)
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 ...
Observations on artificial fertilization of eggs and embryonic and larval development of milkfish, Chanos chanos (Forskal)
(Elsevier, 1978)
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) ...
A study on certain aspects on the biology and control of Caligus sp., an ectoparasite of the adult milkfish Chanos chanos (Forskal)
(Fisheries Research Society of the Philippines, 1978)
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 ...
The lancelets [Cephalochordata, Amphioxi] of Lucena Anchorage, Quezon, Philippines
(University of the Philippines at Los Baños, 1978)
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.
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Notes on the construction of 12 cu m ferrocement tank for prawn broodstock
(International Ferrocement Information Center, 1978)
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 ...
Use of hormones in breeding cultivated warm-water fishes with special reference to milkfish, Chanos chanos (Forskal)
(Fisheries Research Society of the Philippines, 1978)
The role of hormones in the controlled reproduction of a few test fishes is well documented. However, information on the mechanisms of endocrine regulation of ovulation in cultivated warm-water fishes is very meagre. ...
Present prawn culture in the Philippines.
(Bureau of Fisheries and Aquatic Resources, 1978)
This paper discusses present prawn culture practices in the Philippines, as well as the experiments which are conducted at the SEAFDEC Aquaculture Department by reviewing production of fry, production of juveniles in nursery ...
Settlement preference of the brown mussel, Modiolus metcalfei, Hanley and its implication on the aquaculture potential of the species
(Fisheries Research Society of the Philippines, 1978)
A study on the settlement preference of M. metcalfei was made in Banate Bay, Iloilo, using four types of materials as spat collectors. During the six-month study period, not a single Modiolus spat was found in any of the ...