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Utilization of seaweeds in Thailand
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1990)
Different seaweeds harvested from natural stocks are utilized in Thailand as human food and animal feed and for medicinal purpose and extraction of crude agar. Gracilaria and Porphyra are the most exploited commercially. ...
Larviculture of milkfish (Chanos chanos) in outdoor tanks
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1996)
In the past, larviculture of milkfish depended entirely on the use of rotifers and brine shrimp nauplii and rearing trials were done under roofed facilities. Since the dietary value of live food varies according to culture ...
Review of SEAFDEC/AQD finfish seed production research
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1996)
Research on seed production of several foodfishes has been a continuing activity of SEAFDEC/AQD since 1976. Fry and juvenile production methods of these fish commodities are in various stages of advancement. For instance, ...
Research on crustaceans
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1995)
Crustacean research at the SEAFDEC Aquaculture Department during the last three years focused mostly on the tiger shrimp Penaeus monodon. Studies were done along six problem areas: (1) developing spawning techniques for ...
Screening of inexpensive and indigeneous ingredients for use in practical feed for juvile sea bass (Lates calcarifer Bloch)
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1996)
An eight-week feeding experiment with juvenile sea bass (about 15 g) was conducted in 500-1 fiberglass tanks to screen the most cost-effective practical diet for use in ponds and floating cages. Eleven formulations and one ...
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 ...
A review of grouper (Epinephelus suillus) fry production research in Malaysia
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1996)
Research on grouper (Epinephelus suillus) fry production in captivity has been carried out in Malaysia since 1986 at Tanjung Demong Marine Finfish Production and Research Centre (TDMFPRC) but the breakthrough was only ...
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 ...
Workshop discussions and recommendations
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1996)
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 ...