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  • 01 SEAFDEC/AQD Publications
  • Conference Proceedings
  • Advances in milkfish biology and culture
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  • 01 SEAFDEC/AQD Publications
  • Conference Proceedings
  • Advances in milkfish biology and culture
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Artificial propagation of milkfish: Present status and problems

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ambcp021-039.pdf (143.3Kb) Open Access
Downloads: 4,195
日付
1984
著者
Lam, T. J.
Page views
7,078
ASFA keyword
brackishwater aquaculture ASFA
extensive aquaculture ASFA
fish culture ASFA
induced ovulation ASFA
AGROVOC keyword
Chanos chanos AGROVOC
South East Asia AGROVOC
Taxonomic term
Chanos chanos GBIF
Metadata
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Milkfish (Chanos chanos ) has been extensively cultured in Indonesia, Taiwan, and the Philippines. At present, the only source of fry for fish farmers is the coastal waters during the spawning season. The supply of fry is therefore often irregular and inadequate. Since the early 1970s attempts have been made to breed milkfish in captivity, particularly in Hawaii, Taiwan, and the Philippines. This paper reviews the progress problems and suggested future research direction of the following areas: induction of ovulation/spawning, sperm preservation, larval rearing, and induction of gonadal maturation.
URI
http://hdl.handle.net/10862/164
Suggested Citation
Lam, T. J. (1984). Artificial propagation of milkfish: Present status and problems. In J. V. Juario, R. P. Ferraris, & L. V. Benitez (Eds.), Advances in milkfish biology and culture: Proceedings of the Second International Milkfish Aquaculture Conference, 4-8 October 1983, Iloilo City, Philippines. (pp. 21-39). Metro Manila, Philippines: Published by Island Pub. House in association with the Aquaculture Department, Southeast Asian Fisheries Development Center and the International Development Research Centre.
Type
Conference paper
ISBN
9711007045
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  • Advances in milkfish biology and culture [18]

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    Evaluation of organic and inorganic fertilizers in brackishwater milkfish ponds 

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    The study was conducted in twelve 144-m2 ponds to evaluate the effect of different organic and inorganic fertilizers on the growth, survival, gross production, and profitability of marketable milkfish. The following treatments were used: Treatment I, SEAFDEC traditional fertilization practice (16-20-0 at 50 kg/ha and 45-0-0 at 15 kg/ha); Treatment II, half-dosage of Treatment I; Treatment III, chicken manure at 0.5 ton/ha; and Treatment IV, MASA (processed from agricultural and industrial wastes) fertilizer at 0.5 ton/ha. All treatments were applied once in every 2 weeks. No significant difference (P > 0.05) existed in the harvest and production of milkfish among the treatments. However, economic indicators such as return-on-investment (ROI), payback period, and marginal analysis ranked the performance of the fertilizer treatments in the order of I, II, III and IV. Fish kills occurred in three ponds applied with chicken manure and MASA fertilizer. This could have been due to a heavy build-up of organic matter in the pond bottom which led to the collapse of the benthic algal community, depletion of dissolved oxygen and the presence of hydrogen sulfide. It is therefore suggested that a lower dosage of organic fertilizer should be applied in ponds especially during the rainy season.
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    Milkfish breeding and hatchery technology at SEAFDEC/AQD 

    著者不明 (Aquaculture Department, Southeast Asian Fisheries Development Center, 1999)
    Describes the techniques already adopted by the private sector: broodstock management, broodstock diet, commercial fry production, live transport, and larval diet. A list of AQD research publications on milkfish is included.

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