Tilapia culture in trinidad and tobago: yet another update

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Cage culture

Cage culture has been successfully practiced most Asian countries adopting which China, Vietnam, Thailand, Taiwan and Malaysia have increased their national fish production by several folds and leading the international tilapia market and producing better sized tilapia whole frozen and fillet (Am. Tilapia Assoc., 2010). As Bangladesh has high population density and regularly loosing agricultural lands for urbanization, closed water bodies to produce fish are limited; and production has reached to high enough of its capacity. Now is the time to introduce cages in flowing river-water to increase the fish production promptly. Vast open water-bodies are still unused. Following the other countries of Asia, cage culture here may be the appropriate tool for additional fish production. Although for the last three decades Asia is leading in cage culture whereas Bangladesh was and still is far behind despite having huge water resource. Various attempts were made in promoting cage culture as summarized in Table 1.

Although cage culture has a history, due to various reasons, cage culture in Bangladesh did not take off as in other Asian countries. Almost all the efforts, even well-established CARE-Cages, encountered sustainability problem due to the following reasons:

  1. Lack of quality net

  2. Lack of suitable floating feed

  3. Poor selection of fish species suitable for cage farming

  4. Lack of required technical know-how

  5. Absence of skilled manpower to operate the cages

  6. Lack of concerted efforts and

  7. Socio-economic problems (e.g. poaching, conflicts etc.)

Table 1: History of cage culture in Bangladesh

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