検索
1-10 / 122
Studies on the egg quality of Penaeus monodon Fabricius, based on morphology and hatching rates
(Elsevier, 1981)
Eggs of Penaeus monodon are classified into five different types on the basis of morphological criteria and hatching rates — A1 eggs undergo normal development with 58% hatching rate; A2 eggs show delayed and/or abnormal ...
Impact of fishpond management on the mangrove ecosystem in the Philippines
(Natural Resources Management Center and National Mangrove Committee, Ministry of Natural Resources, 1986)
Fishpond development in the Philippines is discussed, examining resulting impacts on the mangrove ecosystems. Socio-economical implications and management measures are also considered.
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 ...
Response of Nile tilapia (Oreochromis niloticus) fry to diets containing Azolla meal
(Department of Fisheries, Bangkok, Thailand; International Center for Living Aquatic Resources Management, 1988)
Sun-dried Azolla pinnata was ground and incorporated into experimental diets at various levels (8.50, 17.00, 25.46, 34.00 and 42.45% of the diets) to replace fish meal in a control diet isonitrogenously. All feeds contained ...
Selection, transport and acclimation of prawn fry
(U.P. Aquaculture Society, 1988)
The most important criterion among many used by operators for choosing poostlarvae to stock in ponvds, is the stage of development. THe stages considered suitable for stocking (about PL<sub>20</sub>) can be identified by ...
Nutrition and feeds
(Oceanic Institute, 1986)
Milkfish culture is gradually shifting from the traditional extensive aquaculture system, where in the fish depends mainly on natural food for growth, to semi=intensive or intensive culture systems in which additional ...
Vibrio sp. isolated from milkfish (Chanos chanos) with opaque eyes
(Japanese Society of Fish Pathology, 1984)
Several milkfish (Chanos chanos) juveniles polycultured with the Indian prawn (Penaeus indicus) in earthen ponds at the Leganes Station of the Aquaculture Department, SEAFDEC, Philippines, manifested eye abnormalities. ...
Larval and early juvenile fishes associated with milkfish fry at Malandog, Hamtik, Antique
(Fisheries Research Society of the Philippines, 1983)
From 5 May 1981 to 7 November 1981 a total of 122,841 specimens of milkfish fry and early juvenile fishes was collected with the use of a milkfish fry sweeper. Of these, 66,361 or 54.02% consisted of early juvenile stages ...
Culture of zooplankton (Brachionus and Moina)
(South China Sea Fisheries Development and Coordinating Programme, 1982)
Egg size and larval size among teleosts: implications to survival potential
(Asian Fisheries Society, 1986)
A survey of the early life history characteristics of 135 teleost fishes from freshwater, marine, tropical, temperate and boreal habitats show the influence of egg size and larval size on survival potential. Marine species ...