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Research on marine and freshwater fishes
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1995)
Most of the fish research at SEAFDEC AQD in 1992-1994 was on milkfish. Studies were conducted on year-round spawning through hormonal or environmental manipulation; optimum lipid and protein levels and ration size for ...
The use of chemicals in aquaculture in Thailand
(Aquaculture Department, Southeast Asian Fisheries Development Center, 2000)
In Thailand, many chemicals are used to treat diseases of cultured aquatic animals and to improve water quality in culture facilities. Along with the intensification of aquaculture practices that has occurred in recent ...
Influence of LHRHa and methyltestosterone on milt production of sea bass Lates calcarifer (Bloch)
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1996)
Milt volume, sperm density, and number of spermatozoa were determined to quantify milt production of mature sea bass after a single injection of LHRHa [(D-Ala6,Pro9-N-ethylamiide)LHRH] in saline solution and 17α-methyltestosterone ...
Flounder metamorphosis: its regulation by various hormones
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1996)
The elongation and shortening of the flounder fin rays during its metamorphosis may be parallel to the appearance and resorption of the tadpole tail during amphibian metamorphosis. The dorsal fin rays of the Japanese ...
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 ...
A review of SEAFDEC/AQD finfish breeding research
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1996)
Recent progress undertaken by SEAFDEC/AQD in the development of broodstock of a variety of cultured fish in the Philippines is reviewed. Spontaneous maturation and spawning has been achieved among captive breeders of ...
Transgenic fish and aquaculture
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1995)
Transgenic fish species can be routinely produced by transferring foreign DNA into developing embryos via microinjection or electroporation. This technology offers an excellent opportunity for modifying or improving the ...
The use of chemicals in aquafeed
(Aquaculture Department, Southeast Asian Fisheries Development Center, 2000)
Various chemicals and additives used in fish and shrimp feeds may have impacts on animal health, product quality and the environment. This paper reviews the use and effects of vitamins (vitamins C and E), essential fatty ...