Pencarian
Now showing items 1-10 of 34
Current fish disease problems in the Philippines and their economic impact
(1987)
An account is given of fish disease problems facing the aquaculture industry in the Philippines. The Laguna de Bay fish kills that occurred in December 1985 and February 1986, involving epizootic ulcerative syndrome of ...
The effects of water hardness on the hatching and viability of silver carp (Hypophthalmichthys molitrix) eggs
(Elsevier, 1987)
An investigation was conducted to establish water hardness concentration for optimum hatching of silver carp (Hypophthalmichthys molitrix) eggs. Eggs were incubated for 19 h at 26.5°C at six levels of water hardness: 100, ...
Hormonal changes accompanying sexual maturation in milkfish Chanos chanos Forsskal
(Nagoya University Corporation, 1987)
In spite of the economic importance of milkfish to the Southeast Asia, relatively little information is available on its reproductive biology and physiology. Milkfish has a prolonged juvenile phase undergoes first sexual ...
Nutrient flow and physicochemical profile studies of an integrated poultry-salt-Artemia-milkfish-sea bass-shrimp pond production system
(Wetteren, Belgium: Universal Press, 1987)
The physicochemical and biological parameters of an integrated flow-through poultry-salt-Artemia-milkfish-sea bass-shrimp pond production system were monitored for 6 months to determine the pattern of nutrient changes and ...
Constraints and prospects in aquaculture development.
(Nagoya University Corporation, 1987)
The development of aquaculture in developing countries of the Asia-Pacific region is constrained by inadequate seeds, diseases and other causes of mortality, lack of effective natural food and formulated feeds, problems ...
Releasing hormones as an effective agent in the induction of spawning in captivity of sea bass (Lates calcarifer)
(Australian Centre for International Agricultural Research, 1987)
A study was conducted to evaluate the effectiveness of luteinising-hormone releasing hormones in the induction of spawning of Lates calcarifer using different administration techniques: pellet implantation, Chinese analogue ...
Commercial production of Artemia in the Philippines
(Universal Press, 1987)
This paper summarizes experiences and findings in the development of a tidal saltpond system, integrated for commercial Artemia production. The basic rules of successful pond production of fish and shrimp, which are the ...
Acute nitrite toxicity and methemoglobinemia in juvenile milkfish (Chanos chanos Forsskal)
(Elsevier, 1987)
Nitrite was about 55 times more toxic to milkfish juveniles in fresh water than in 16% brackish water: the 48-h median lethal concentrations were 12 mg NO<sub>2-</sub>N/l (95% confidence limit=7.4–19.6) and 675 mg ...
Histopathology of the chronic soft-shell syndrome in the tiger prawn Penaeus monodon
(Inter Research, 1987)
One of the disease problems that affect the production of tiger prawn Penaeus monodon Fabricius in brackish-water ponds is the chronic soft-shell syndrome, a condition in which the prawn shell is persistently soft for ...
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 ...