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Endocrine changes associated with overripening of ovulated eggs in goldfish, Carassius auratus L.
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1996)
Changes in steroid hormone levels in the serum and ovarian fluid were studied during overripening in goldfish. Ovulated eggs retained in the ovarian cavity become overripe at around 12 h after ovulation and completely ...
Maturation of Oreochromis niloticus gonads
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1996)
At hatching when fry were 5 to 6 mm, primordial germ cells (PGCs) were found to concentrate along the dorsomedian region of the peritoneal wall at the root of the developing mesentery and in places far from the appearance ...
Natural spawning of four Epinephelus species in the laboratory
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1996)
Natural spawnings of four Epinephelus species reared in the laboratory were observed from 1987 to 1992. These species are: E. summana, E. caeruleopunctatus, E. macrospilus and E. fuscoguttatus. Spawning was serial, usually ...
LHRHa and pimozide-induced breeding in the catfish, Clarias macrocephalus (Gunther)
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1996)
Clarias macrocephalus is endemic yet dwindling freshwater foodfish in the Philippines. Induced breeding protocol was developed by monitoring the size and maturation of eggs at 0-48 h after a simultaneous injection of ...
The shrimp farming industry in the Philippines
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1993)
The shrimp farming industry in the Philippines is the culture of shrimp (Penaeus monodon) in brackishwater and seawater grow-out farms to marketable size. The industry is highly dependent upon the other sectors/components ...
Shrimp grow-out culture techniques in the Philippines
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1993)
The major commercial shrimp species in the Philippines belong to the genus Penaeus and Metapenaeus. The important penaeid shrimps are: P. monodon (giant tiger shrimp or sugpo); P. japonicus and P. semisulcatus (tiger shrimp ...
Seed production of marine fish in Malaysia
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1993)
Aquaculture especially brackishwater fish culture in Malaysia has a very high potential for development. It is also a very important source of protein. The three major species cultured in cages are sea bass, grouper, and ...
Status and problems of marine fish seed production in Thailand
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1993)
Aquaculture of marine fishes such as sea bass, milkfish, and mullet among others, have been conducted in Thailand for a long time in its provinces along the coast. The fry of these fishes have been collected from natural ...
Milkfish breeding program in the Philippines
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1993)
The National Bangus Breeding Project (NBBP) was established in 1981 in compliance with a presidential directive. Breeding and hatchery techniques for milkfish (Chanos chanos) developed by the Aquaculture Department of the ...
Water quality assessment of the Langat River, Selangor, Malaysia using the natural algal periphyton community and laboratory bioassays of two Chlorella species
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1990)
The physico-chemical conditions in 10 sampling stations off the headwaters of the Langat River, Selangor, Malaysia were studied. Monitoring was done twice a month from June to December 1980. Changes in water quality were ...