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Plan for the development of prawn farming in Thailand and recommendations to increase production of juveniles for distribution to farmers and for stocking natural areas

Year of publication 1978

Pages p.18

Author Takuji Fujimura, (Ministry of Agriculture and Cooperatives, Chachoengsao (Thailand). National Freshwater Prawn Research and Training Centre);Fisheries and Aquaculture Management Division

Product type Project

Edition 1

Synopsis (short abstract) *

Cite this content as:

Fujimura, T. 1978. Plan for the development of prawn farming in Thailand and recommendations to increase production of juveniles for distribution to farmers and for stocking natural areas. 18 p.

Language English

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    Giant freshwater prawn farming in Supanburi, Thailand 1979
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    Amongst all the Thai people who earn their living from rearing aquatic animals, to be able to culture freshwater prawns has been a long present hope. The obstacle that impedes business development in this field is a lack of technical understanding; there is, for instance a belief that: cannibalism during pond rearing will cause low yields prawns will not grow in ponds prawns will not have a chance to grow because predatory fish and other predators will attack them in the early stages of re aring. However, the development of prawn culture is greatly and genuinely handicapped by lack of experience and the difficulties in obtaining sufficient juveniles and mature prawns for culture purposes from their natural breeding grounds. Recently, the Department of Fisheries of the Royal Thai Government established a programme to determine the necessary data for producing juvenile prawns under controlled conditions. The Chacheongsao Fisheries Station is one of the stations conducting these experiments. During 1977, freshwater prawns were hatched and reared there so that some juvenile prawns could be stocked in private ponds in some 23 provinces in order to collect and study data on growth and survival rates. Supanburi is one of the provinces where many inhabitants are extremely interested in freshwater prawn culture. Some already had experience in fish culture, which is considered advantageous for those wishing to culture prawns. Being a new enterprise in its infancy there is a co nsiderable amount of work yet to be done to bring prawn culture to full maturity. However, the successful result obtained by the culturists of this province may serve as a guide for those who are interested and at the same time serve as a basis for promoting deeper interest amongst them. It is hoped that these annotated results will encourage them to devote themselves to prawn culture without hesitation.
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    Application of low-cost filtration systems to freshwater prawn culture in Thailand 1979
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    This working paper represents those parts of my consultants' report to FAO, for the period 20 August – 24 September 1979, which relate to the Programme for the Expansion of Freshwater Prawn Farming in Thailand (Project THA/75/008). Full details of all the techniques and units utilised can be found in an earlier report published by the South China Sea Fisheries Programmea. The primary reason for visiting Bangkok was to help in solving problems of unsatisfactory water in Macrobrachium hatchery s ystems. Methods of abstracting pre-filtered sea water from the natural bed were taught and had already been applied before the visit ended. The technique of using both Village Units, for primary filtration, and Mini-Units, for recirculation, in wholly artificial beds, was shown in Chacheongsao: in this case also a permanent source was created and this had been supplying clean water for some four days before the mission ended. Abstraction from insitu beds is clearly impossible on the vast Centr al Plain, where the canal's base usually consists of almost bottomless mud. For the numerous isolated communities who still take much of their household water from these canals it seems that the mini-Unit methods could bring much improved water at minimal cost. Throughout this region there are numerous fish ponds. While it can hardly be economic to filter the whole supply it seems that the general method described below under “Chacheongsao Fisheries Station” could well be used for that part of t he supply needed for the actual hatchery and the early fry stages, as well as for any sensitive species that might be kept.
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