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Tilapia hatchery and nursery systems: Operation and management

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Date
1987
Author
Bautista, Antonio M.
Page views
8,919
ASFA keyword
aquaculture ASFA
hatcheries ASFA
sex ratio ASFA
stocking density ASFA
feeding ASFA
water management ASFA
fry ASFA
fingerlings ASFA
AGROVOC keyword
tilapia AGROVOC
Tilapia nilotica AGROVOC
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Abstract
The successful and profitable production of Tilapia nilotica in ponds or cages is predominantly influenced by the environment and hereditary traits of the stock. Therefore, stocking of high quality fingerlings is a major requirement to ensure the profitable production of marketable tilapia in 90-120 days. There are reports on crossbreds of F1 backcross of two strains of T. nilotica stocked in net cages in the central bay of Laguna Lake at 15/m2 during the months of May to August, reach a marketable size of 100 to 180 grams in 70 days without supplemental feeding. It is not uncommon for tilapia farmers in Cardona, Tanay and Pililla, Rizal to harvest marketable outbred tilapia after three to four culture months from May to August. In the case of F3 inbreds of T. nilotica, stocks that have a certain degree of T. mossambica blood, growth is comparatively slower.
URI
http://hdl.handle.net/10862/293
Suggested Citation
Bautista, A. M. (1987). Tilapia hatchery and nursery systems: Operation and management. In R. D. Guerrero III, D. L. de Guzman, & C. M. Lantican (Eds.), Tilapia Farming: Proceedings of the First National Symposium and Workshop on Tilapia Farming, PCARRD, Los Baños, Laguna, November 24-26, 1986 (pp. 8–13). Los Baños, Laguna: PCARRD, BFAR and SEAFDEC Aquaculture Department.
Type
Conference paper
Koleksi
  • Conference Proceedings [300]
  • Tilapia Farming [9]

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    Antibacterial activity of tilapia Tilapia hornorum against Vibrio harveyi 

    Tendencia, Eleonor ORCID; dela Peña, Milagros R.; Fermin, Armando C.; Lio-Po, Gilda; Choresca, Casiano H., Jr.; Inui, Yasuo (Elsevier, 2004)
    Disease due to luminous Vibrio has been a major problem of the shrimp industry. Different technologies have been introduced to control the disease. One of the techniques reported to work against luminous bacteria in the Philippines is the green water culture system (or finfish–shrimp integrated culture system). A green water culture system is an innovative technique wherein shrimp are cultured in water collected from a pond where tilapia or other fish species are grown. In some cases, the fish are cultured in an isolated net pen inside the shrimp culture pond. This study clarifies the effect of one component of the green water culture system, the presence of all male tilapia (Tilapia hornorum) on luminous bacteria Vibrio harveyi. Results showed that stocking tilapia at a biomass not lower than 300 g/m3 efficiently inhibited the growth of luminous bacteria in shrimp (biomass=80 g/m3) rearing water without the growth of microalgae.
  • Cuplikan

    An investigation of enzyme and other protein polymorphisms in Japanese stocks of the tilapias Oreochromis niloticus and Tilapia zillii 

    Basiao, Zubaida U.; Taniguchi, Nobuhiko (Elsevier, 1984)
    Samples of Oreochromis niloticus and Tilapia zillii were collected from the hatcheries of Osaka Prefecture Fisheries Experimental Station and Shiga Prefecture Fisheries Experimental Station, Japan, respectively. The samples were used for screening polymorphisms in 13 enzymes, skeletal muscle proteins and hemoglobins by horizontal starch gel electrophoresis. Among 35 loci examined, 12 loci for the 10 enzymes, sarcoplasmic protein and hemoglobins were polymorphic in O. niloticus and 2 loci for 2 enzymes were polymorphic in T. zillii. The observed numbers of phenotypes for respective loci agreed well with Hardy-Weinberg expectations. The genetic basis for each polymorphism is discussed. This investigation provides basis information on the status of these tilapias in Japan.
  • Cuplikan

    Tilapia Farming: Proceedings of the First National Symposium and Workshop on Tilapia Farming, PCARRD, Los Baños, Laguna, November 24-26, 1986 

    Guerrero III, Rafael D.; de Guzman, Dalisay L.; Lantican, Cecilia M. (Philippine Council for Agriculture, Forestry and Natural Resources Research and Development, 1987)

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