SEAFDEC/AQD Institutional Repository: Recent submissions
2861-2880 / 4207
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Economic analysis of prawn (Penaeus monodon) culture in the Philippines, I. Hatchery operations
(Asian Fisheries Society, 1995)High prices of prawn (Penaeus monodon) fry, profitability of hatchery operations, and a low cost hatchery design introduced by the Southeast Asian Fisheries Development Center attracted millions of dollars of investments ... -
The sea turtles captured by coastal fisheries in the northeastern Sulu Sea, Philippines: Documentation, care, and release
Bagarinao, Teodora
(Herpetological Conservation and Biology, 2011)
This paper presents the first substantive data on sea turtles in the northeastern Sulu Sea. Working with fishers and government, the Southeast Asian Fisheries Development Center (SEAFDEC FishWorld) documented 109 juvenile ... -
Controlled release of testosterone and estradiol-17 β from biodegradable cylinders
(Controlled Release Society, 1994)A controlled release device for the hormones, testosterone and estradiol-17 β, was developed by coating a melt extruded hormone/poly (ϵ-caprolactone) cylinder with pure polylactide. Since testosterone and estradiol-17β ... -
Accumulation and excretion of metal granules in the prawn, Penaeus monodon, exposed to water-borne copper, lead, iron and calcium
; Quinitio, Emilia T. (Elsevier, 1994)
Juveniles of the giant tiger prawn, Penaeus monodon, were exposed for 10 days to 1 mg/l copper, lead, iron or calcium in order to investigate the formation and accumulation of metal granules in major soft tissues as well ... -
Induction of sex inversion in juvenile grouper, Epinephelus suillus, (Valenciennes) by injections of 17α-Methyltestosterone
; Garcia, Luis Maria; (The Ichthyological Society of Japan, 1994)
Four groups of two-year old juvenile groupers (Epinephelus suillus), each with 8-9 individuals of mean body weight (BW) 1.2 kg, were treated with 17α-methyltestosterone (MT). MT was injected intramuscularly within the range ... -
Acute toxicity of nifurpirinol, a fish chemotherapeutant, to milkfish (Chanos chanos) fingerlings
(Springer Verlag, 1994)Nifurpirinol (trade name Furanace and originally known as P-7138), is a nitrofuran derivative synthesized by the Dainippon Pharmaceutical Co. Ltd., Japan, and was developed exclusively as a broad-spectrum antibiotic for ... -
Growth and food consumption of milkfish (Chanos chanos) during dry and wet seasons
(Serials Publications, 1994)This study was conducted to evaluate the quality of the food consumed by the fish, to estimate the food consumption of the fish in the natural environment during the wet and dry seasons, and to determine the relationship ... -
Changes in the steroid hormone and vitellogenin levels during the gametogenic cycle of the giant tiger shrimp, Penaeus monodon
Quinitio, Emilia T.; ; ; (Elsevier, 1994)
The levels of estradiol-17β, and progesterone in the hemolymph, ovaries and hepatopancreas, in relation to the vitellogenin levels of captive female Penaeus monodon, were determined during the gametogenic cycle. Estradiol ... -
Oral delivery in aquaculture: Controlled release of proteins from chitosan-alginate microcapsules
(Aquacultural Engineering Society (AES), 1994)Potentially, the most useful method of fish vaccination is oral administration. However, this technique is presently only partially effective because of the apparent destruction of the vaccine in the fish digestive system, ... -
Effect of pH and ammonia on survival and growth of the early larval stages of Penaeus monodon Fabricius
(Elsevier, 1994)Lethal toxicity tests of ammonia at different pH levels (7, 7.5, 8, and 8.5) and its effect on survival and growth of the early larval stages of Penaeus monodon were determined. An increase in ammonia toxicity when the ... -
Effect of detention time on aerobic waste stabilization pond performance in Southeast Asia
(Springer Verlag, 1994)The rising level of pollution in rivers, lakes and other bodies of water has created problems of significant magnitude in Southeast Asia. Apart from the aesthetic desirability of clean rivers are the pressing dangers to ... -
Ontogeny of foregut in the tropical freshwater crayfish, Cherax quadricarinatus von Martens, 1868 (Parastacidae: Decapoda)
(International Society of Invertebrate Reproduction and Development, 1994)The comparative morphology of the foregut during development from embryonic larva to adult in Cherux quadricarinatus was examined by light and scanning electron microscopy. Major ontogenetic changes occurred in the gastric ... -
Agar production from Gracilariopsis heteroclada (Gracilariales, Rhodophyta) grown at different salinity levels
(Walter de Gruyter, 1994)Gracilariopsis heteroclada grown in fiber glass tanks at four salinity levels was treated with three different concentrations of aqueous NaOH. Yield, gel strength, gelling and melting temperatures of the extracted agar ... -
Effect of delayed feeding of Artemia salina and partial replacement by Moina macrocopa on growth and survival of sea bass, Lates calcarifer (Bloch), larvae.
(Society of Israeli Aquaculture and Marine Biotechnology, 1994)One-day old sea bass larvae (0.93-2.03 mm total length, 0.94-1.00 mg wet body weight) were stocked at a density of 30 larvae per liter in nine 250 l capacity fiberglass tanks. Fish were reared for 26 days on three different ... -
Feeding live or frozen Moina macrocopa (Strauss) to Asian sea bass, Lates calcarifer (Bloch), larvae
(Society of Israeli Aquaculture and Marine Biotechnology, 1994)Growth and survival of hatchery-reared sea bass, Lates calcarifer, larvae fed live or frozen Moina macrocopa were determined, In Experiment 1, Moina was fed to sea bass of different sizes: 3.6 mm, 5.5 mm and 7.6 mm standard ... -
Natural spawning, egg and fry production of milkfish, Chanos chanos (Forsskal), broodstock reared in concrete tanks
(Blackwell Publishing, 1994)Gonadal maturation, rematuration, and spawning of nine- (1982 stock) and ten-year-old (1981 stock) milkfish reared in 150 and 200 m3 concrete tanks were observed in 1990 and 1991. From 23 September to 9 November ... -
Induced spawning and early life description of the mangrove red snapper, Lutjanus argentimaculatus
; ; Bagarinao, Teodora (Elsevier, 1994)
Wild-caught mangrove red snapper, Lutjanus argentimaculatus, reared in a concrete tank for 1 year, spontaneously matured in June 1992. On 19 August 1992, a sexually mature female and male (4.6 and 3.2 kg body weight, ... -
The effect of lipid-enriched broodstock diets on spawning and on egg and larval quality of hatchery-bred rabbitfish (Siganus guttatus)
(San Carlos Publications, University of San Carlos, 1994)Three isocaloric and isonitrogenous diets formulated to contain 12 (diet A), 15 (B) and 18% (C) lipids were tested on hatchery-bred rabbitfish Siganus guttatus broodstock to determine their effect on spawning and quality ... -
Multi-species fish hatchery
(Society of Aquaculture Engineers of the Philippines, Inc., 1994)Due to the unpredictable market demand and market value of penaeid shrimp, the shrimp hatchery which is an industry in itself suffered heavy losses. Shrimp hatchery operators are now interested in marine finfish culture. ... -
Daily rates of ingestion on rotifers and Artemia nauplii by laboratory-reared grouper larvae of Epinephelus suillus
(San Carlos Publications, University of San Carlos, 1994)The amount of rotifers and Artemia nauplii consumed daily by the grouper Epinephelus suillus larvae was determined through examination of gut contents. The larvae (2.6 mm TL) were initially fed rotifers on day 2 and newly ...
