Now showing items 1-10 of 172
Pond culture of sugpo, P. monodon (Fabricius)
- The Philippine Journal of Fisheries, 1976 - BFAR
A resume is presented of the practical considerations involved in establishing a sugpo pond culture operation, as a guide to fish farmers, extension workers and others interested in producing marketable sugpo in the ...
Effect of light quality and eyestalk ablation on ovarian maturation in Penaeus monodon
- Kalikasan, The Philippine Journal of Biology, 1981 - University of the Philippines Los Baños
Prawns were subjected to the following treatments: blue light, red light, natural light, and natural light plus unilateral eyestalk ablation. Unablated prawns under blue and natural light developed stage III ovaries; under ...
Ovarian rematuration of ablated sugpo prawn Penaeus monodon Fabricius
- Annales de biologie animale, biochimie, biophysique, 1978 - Institut National de la Recherche Agronomique
Spent Penaeus monodon females were tagged around one eyestalk with numbered brass tags, stocked in a concrete tank with males, and periodically examined for ovarian rematuration over a six-month period (February to August, ...
Intensive prawn farming in the Philippines: ecological, social, and economic implications
- AMBIO: A Journal of the Human Environment, 1991 - Springer Verlag
The benefits of intensive farming of the giant tiger prawn Penaeus monodon in the Philippines are discussed in relation to the environmental costs. Ecological effects include mangrove conversion into ponds; use of antibiotics ...
Studies on the egg quality of Penaeus monodon Fabricius, based on morphology and hatching rates
- Aquaculture, 1981 - Elsevier
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 ...
Potential use of the sea lettuce Ulva lactuca replacing soybean meal in the diet of the black tiger shrimp Penaeus monodon juvenile
- Aquaculture, Aquarium, Conservation and Legislation, 2015 - Bioflux
To evaluate the biological value of incorporating the sea lettuce Ulva lactuca meal in the diet of the black tiger shrimp (Penaeus monodon), 3 diets were fed to groups of shrimps containing two levels (15% and 30% replacement ...
Effect of substrate types on fecundity and nauplii production of ablated Penaeus monodon Fabricius.
- The Philippine Journal of Science, 1980 - Science and Technology Information Institute, Department of Science and Technology
The survival, spawning, fecundity, and nauplii production of ablated Penaeus monodon females reared in flow-through broodstock tanks with white coralline and black sand substrates for 62 days, were assessed. Prawns exposed ...
Effects of different sex ratios on maturation, fecundity and hatching rates of ablated Penaeus monodon wild stock.
- Fisheries Research Journal of the Philippines, 1980 - Fisheries Research Society of the Philippines
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 ...
Morphometric relationship of length and weight of giant tiger prawn Penaeus monodon according to life stage, sex and source.
- Aquaculture, 1998 - Elsevier
Regression analysis was performed on length–weight and length–length measurements of Penaeus monodon (n=3270 individuals) including carapace length, body length, total length and body (wet) weight of different life stages ...
Mass production in concrete tanks of sugpo Penaeus monodon Fabricius spawners by eyestalk ablation
- Fisheries Research Journal of the Philippines, 1978 - Fisheries Research Society of the Philippines
Two batches of 196 and 181 P. monodon females were ablated on one eyestalk in March and July 1977, respectively, and a control batch of 180 unablated females was stocked in July 1977. The females were stocked with males ...