Essay upon Establishing Broodstock Farms intended for Rearing Bangus Juveniles

SEAFDEC/AQD Institutional Repository (SAIR)

Name Author(s) Helpful information for the establishment and maintenance of milkfish broodstock. Marte, Clarissa L.; Quinitio, Gerald Farreneheit.; Garcia, Luis Ma. B.; Lacanilao, Seleccion J. Marte, C. D., Quinitio, G. F., Garcia, L. M. B., & Lacanilao, N. J. (1984). A guide to the establishment and maintenance of milkfish broodstock. (Technical Report Number 11). Tigbauan, Iloilo, Thailand: Aquaculture Department, Southeast Oriental Fisheries Advancement Center. 1984-05 http://hdl.handle.net/10862/846 This kind of document can be downloaded for: 2013-07-07 twenty-one: 22: 51 CST

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http://repository.seafdec.org.ph

Aquaculture Department SEAFDEC Foreign Development Study Centre Technological Report No . 11, Might 1984

ISSN 0115-4710

A GUIDE TO THE ORGANIZATION AND MAINTENANCE OF MILKFISH BROODSTOCK

C. L. MARTE, G. F. QUINITIO, L. Mum. B. GARCIA and F. J. LACANILAO

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HELPFUL INFORMATION FOR THE ESTABLISHMENT AND MAINTENANCE OF MILKFISH BROODSTOCK

C. T. MARTE, G. F. QUINITIO L. Ma. B. GARCIA AND F. LACANILAO

With the Technical Assistance of A. Ciudadela, A. Emata, G. Garcia, P. G. Requintina, L. D. Suntan and T. Toledo

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CONTENTS 1 . 2 . a few. INTRODUCTION CREATING BROODSTOCK FARMS FARMS FOR REARING BANGUS JUVENILES a few. 1 a few. 2 3. 3 three or more. 4 three or more. 5 some. Pond and Pen Construction Pond Planning Stocking Meals and Feeding Water Top quality Management 1 2 several 3 five 5 5 7 six 7 doze 12 doze 12 13 13 13 14. 14 14 15 17 seventeen 17 seventeen 18 18 19 19 21

MATURATION CAGES PERTAINING TO REARING BROODSTOCK TO MATURITY 4. you 4. two 4. a few 4. four Design and Construction of Floating Cage Stocking Nourishing Cage Routine service

5.

GATHERING DATA five. 1 Logbooks and Info Sheets a few. 2 . 1 5. 2 . 2 your five. 3 In Rearing Pond/Pen In Growth Cages your five. 2 Physico-chemical Parameters

Seafood Sampling Method 5. three or more. 1 a few. 3. 2 5. a few. 3 During stocking and transfer During maturation Mortality record

6th.

SPAWNING AND EGG COLLECTION 6. 1 6. 3 6. some 6. five Collecting Spawned Eggs Sorting of Eggs Determining Fertilization Rate Deciding Hatching Charge 6. two Handling of Eggs

several. 8. 9. 10.

LARVAL REARING RECOMMENDATIONS FIGURES COMMUN ACKNOWLEDGEMENT

twenty two 36

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1 .

LAUNCH Milkfish culture has been practiced for centuries inside the Philippines, Philippines and Taiwan. In the Israel alone, about 195, 500 hectares of brackishwater ponds and 31, 000 hectares of freshwater fishpens bring milkfish development. The fry needed to stock these ponds and fishpens still arrive exclusively from the coastal seas. Annual attracts from the natural fry grounds, however , will be uncertain due to fluctuations in climatic conditions. In addition , traditional fry grounds will be threatened by increasing air pollution. Milkfish production in the Korea has increased progressively through the years and it is projected to stay over the up coming decade. While using recent improvements in lifestyle operations through improved feeding and fish pond management tactics resulting in higher stocking denseness per product area, the need for seed products is likely to increase. Furthermore, an estimated sixty two, 000 hectares out of the a hundred and forty, 000 hectares of mangrove swamp are around for future enlargement (Samson, 1983). Research attempts to unnaturally propagate milkfish has triggered successful activated spawning of wild adults (Kuo ou al., lates 1970s; Liao ou al., 1979) and attentive broodstock (Tseng and Hsiao, 1979; Juario and Navidad, 1980; Liao and Chen, 1979, 1983) as well as progress larval showing techniques providing survival prices up to 70% (Vanstone ainsi que al., 1977; Juario ain al., 1983). However , as a result of difficulties in obtaining crazy spawners it might be essential to set up and maintain attentive broodstock. Recently, a your five year old milkfish reared via wild (Lacanilao and Marte, 1980) and artificially-bred fry (Marte et al., 1983) have full grown and automatically spawned. These kinds of developments underline the potential for elevating fry...

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