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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 ...
Aqua Farm News Volume 14(02-03) March - June 1996
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1996)
This issue takes a close look at one fishing village working hard to manage its resources by itself. There are interviews with the village head or Barangay Captain, women leaders, a schoolkid, and a primary grade teacher. ...
Mass larval rearing technology of marine finfish in Japan
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1996)
With economic development and increased demand for high price fish, industrial scale marine finfish culture in Japan was started in 1960-1965 for yellowtail Seriola quinqueradiata. Sustainable supply of wild juvenile and ...
Series: Aquaculture extension manual; No. 22
Pagpapalaki ng tilapya
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1996)
The manual discusses tilapia culture methods in concrete tanks, netcages, and fishponds. It details the species of tilapia cultured in the Philippines, which include Oreochromis nilotucus, O. mossambicus, O. aureus. It ...
Series: Aquaculture extension manual; No. 19
Prawn hatchery operations
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1996-05)
The manual, an updated version of the 1984 SEAFDEC/AQD manual, presents the underlying principles and step-by-step instructions of prawn larval and post-larval rearing. The techniques described are not only applicable to ...
Role of growth hormone in the adaptation to sea water of juveline brown trout, (Salmo trutta)
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1996)
The first part of the study investigates the ability of ovine growth hormone (oGH) to enhance the hypo-osmoregulatory and growth performance of juvenile brown trout after exposure to sea water (SW). Three groups of fish ...
Quo vadis, shrimp?
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1996)
The paper discusses the shrimp culture practices of Thailand, the top producing country of cultured shrimp. These shrimp culture techniques include the use of reservoirs for better waste management, utilization of undiluted ...