検索
1-10 / 335
Application of engineering scale-up principles in aquaculture
(ASEAN/UNDP/FAO Regional Small-Scale Coastal Fisheries Development Project, 1986)
The effects of water movement or agitation on the biological performance of planktonic organisms under intensive culture have been rarely studied quantitatively. Stagnation or minimum values are considered important in the ...
Breeding marine aquarium animals: The anemonefish
(International Center for Living Aquatic Resources Management, 1989-07)
A brief account is given of experiments undertaken regarding the breeding of anemonefish (Amphiprion), a species popular among marine aquarists. Findings indicate these fish to be good candidates for reproductive physiology ...
Yolk resorption, onset of feeding and survival potential of larvae of three tropical marine fish species reared in the hatchery
(Springer Verlag, 1986)
This paper provides basic early life-history information on milkfish (Chanos chanos), seabass (Lates calcarifer) and rabbitfish (Siganus guttatus) which may explain in part the observed differences in their survival ...
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 ...
A primer on putian.
(Fishfarmers Technical Assistance Foundation, Inc, 1986)
With the growing interest among fishfarmars in the culture of sugpo or Penaeus monodon, some attention is being focused on the lesser known prawns and shrimps such as putian, Hipong puti (Tagalog), putian (Cebuano, Ilongo), ...
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 ...
Effects of different sex ratios on maturation, fecundity and hatching rates of ablated Penaeus monodon wild stock
(Fisheries Research Society of the Philippines, 1980)
The minimum number of males per female that would still ensure high maturation, fecundity and hatching rates in Penaeus monodon broodstock, is determined. Wild stock P. monodon were stocked in 4 m diameter circular tanks ...
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 ...