検索
191-200 / 300
The hematological changes in snakehead (Ophicephalus striatus) affected by epizootic ulcerative syndrome
(Asian Fisheries Society, 1994)
Selected hematological parameters were studied in snakehead from Laguna de Bay (Philippines) affected with different stages of epizootic ulcerative syndrome (EUS). For comparison, normal (from a non-endemic area) and ...
Review of social and economic research in the fishery sector of the Philippines: a country paper
(Asian Fisheries Society, 1994)
The problems confronting the fishery sector have received varying degree of attention from the government sector over time. In the past two decades the main thrust was to increase productivity through technology generation. ...
Hormonal, environmental, and dietary manipulation of milkfish broodstock to enhance egg production
(International Foundation for Science, 1993)
The insufficient supply of milkfis fry severely limits the expanion of milkfish aquaculture. While natural spamning and hatchery production of milkfish fry have been attained recently, there is sitll a need to incease egg ...
Toxicity of rotenone to milkfish, Chanos chanos, and tilapia, Oreochromis mossambicus
(Asian Fisheries Society, Fish Health Section, 1992)
Milkfish (Chanos canos) and tilapia (Oreochromis mossambicus) were exposed to varying concentrations of rotenone (95-98% active ingredient) to determine the median lethal concentration (LC<sup>50</sup>). The 1, 6, 12, 24, ...
Hematological and histopathological changes in Oreochromis mossambicus after exposure to the molluscicides Aquatic and Brestan
(Department of Fisheries; International Center for Living Aquatic Resources Management, 1988)
Duplicate static 96-hour bioassays were conducted to determine the median lethal concentration for Oreochromis mossambicus (LC<sub>50</sub>) of two organostannous molluscicides, commonly used in fishponds: Aquatin and ...
Milkfish farming in the Philippines
(The Oceanic Institute; Tungkang Marine Laboratory, 1985)
A detailed account is given of milkfish farming procedures generally practised in the Philippines. The following phases are identified: 1) collection and/or procurement of seed for fry phase; 2) fry rearing; 3) culture and ...
Effects of coconut milk and brown sugar on crude toxins from mussels exposed to Pyrodinium bahamense var. compressa
(Asian Fisheries Society, 1986)
During a red tide episode caused by Pyrodinium bahamense var. compressa in Western Samar, Philippines in 1983, those who were taken ill after ingesting the green mussel, Perna viridis , resorted to drinking coconut milk ...
Pond liming and liming materials for brackishwater ponds
(ASEAN/UNDP/FAO Regional Small Scale Coastal Fisheries Development Project, 1986)
Vital information aquaculturists need to know on lime are: (a) what lime to use; (b) why lime is used; (c) which form to apply; (d) how much to apply; and (e) when to apply.
Experiments on the use of lime in ...
Milkfish culture and artificial propagation
(Marine Science Research Laboratory, Memorial University of Newfoundland, 1987)
Milkfish (Chanos chanos Forsskal) is widely distributed in the Indo-Pacific region and one of the most extensively cultured fish in Southeast Asia. In the Philippines, Indonesia and Taiwan, over 400,000 hectares of ...
Survival, maturation, fecundity and hatching rates of unablated and ablated Penaeus indicus H.M. Edwards from brackishwater ponds
(The Marine Biological Association of India, 1982)
Penaeus indicus H. M. Edwards harvested after three months of rearing in brackishwater ponds and averaging 6.9 g for females and 5.6 g for males were stocked in two 12 cu m flowthrough ferrocement tanks at 240 females and ...