Pencarian
Now showing items 1-10 of 15
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 ...
Prawn grow-out practices in the Philippines
(Aquaculture Department, Southeast Asian Fisheries Development Center, 1988)
A review is made of the current situation regarding Penaeus monodon pond culture in the Philippines, examining in particular pond management practices, including site suitability, engineering design, and harvest and ...
Typical prawn diseases - causes, prevention, and treatment
(U.P. Aquaculture Society, 1988)
Diseases of prawn in ponds are caused by microorganisn like viruses, bacteria fungi and protozoans as well as factors such as nutritional deficiency, poor pond conditions and environmental pollutants. Most of these may be ...
Prawn health in aquaculture
(U.P. Aquaculture Society, 1988)
Disease management of intensively-cultured prawns requires an understanding of physiology and disease causation. Maladies result from an interaction of the prawn, disease agents and their environment. In intensive culture, ...
The effect of stunting on growth, survival, and net production of milkfish (Chanos chanos Forsskal)
(Elsevier, 1988)
The seasonal abundance of milkfish fry in the Philippines has led to the practice of buying a sufficient supply during the peak season to compensate for the shortage during slack periods. Fry that are not immediately grown ...
Cage culture of Oreochromis aureus and Oreochromis niloticus hybrids in Laguna Lake, Philippines
(Taylor & Francis, 1988)
A reciprocal cross of male Oreochromis aureus and female Oreochromis niloticus were made to produce the hybrids stocked in cages in Laguna Lake, Philippines with and without feeding. The growth rates of the hybrids from ...
Problems of diseases in prawn projects.
(1988)
A major factor that influeces the success of production in the prawn industry is the occurrence of disease. Early stage of prawn in hatchery-nursery systems are subject to attacks of viruses, bacteria, fungi and protozoan ...
Electrophoretic studies on induced gynogenetic diploids and triploids in tilapia (Oreochromis niloticus and O. aureus)
(Department of Fisheries; International Center for Living Aquatic Resources Management. ICLARM Conference Proceedings 15, 1988)
Preliminary electrophoretic screening of laboratory maintained tilapia stocks revealed enzyme polymorphism at 3 co-dominantly inherited loci--adenosine deaminase (Ada), aminopeptidase (Ap) and malic enzyme (Me-2). Oreochromis ...
Water hardness determination using local laundry bar soaps for carp hatcheries
(Fisheries Research Society of the Philippines, 1988)
A simple method using local laundry soap is described for carp hatchery operation. A saturated soap solution was prepared and uses to titrate a 100-ml water sample of known hardness until a permanent lather appeared on the ...