Impacts of Overfishing in Fisheries

 Impacts of Overfishing on Fisheries Article

AN OVERVIEW OF THE INTERPERSONAL AND MONETARY IMPACT AND MANAGEMENT OF FISH AND SHRIMP DISEASE IN BANGLADESH, WITH A GREAT EMPHASIS ON MINOR AQUACULTURE M. A. Mazid and A. N. H. Banu

Bangladesh Fisheries Analysis Institute

Mymensingh-2201, Bangladesh

Mazid, M. A., and A. N. They would. Banu. 2002. An overview in the social and economic effects and management of fish and prawn disease in Bangladesh, with an focus on small-scale aquaculture. p. 21-25. In: M. R. Arthur, M. M. Phillips, Ur. P. Subasinghe, M. W. Reantaso and i also. H. MacRae. (eds. ) Primary Aquatic Animal Healthcare in Non-urban, Small-scale, Aquaculture Development. FAO Fish. Technology. Pap. Number 406.

SUBJECTIVE

In Bangladesh, increasing human population pressure, with an increase of demand for fish, has made fisheries a lucrative sector intended for the present technology. Fish culture in the country continues to be progressing towards semi-intensive tradition, while prawn culture techniques towards an increased traditional system. However , indiscriminate and unexpected use of supply and fertilizer, with subsequent effects about water top quality in fish pond ecosystems correspondingly increases stress on seafood and accelerates susceptibility to pathogens. The consequences of disease in improved culture systems are significant; however , proper methodical information on disease outbreaks can be not yet offered. The most obvious a result of the incident of disease is mortality, followed by economic losses. Mass mortalities of carp smolder and fingerlings due to protozoan and metazoan parasites are often reported. A little initial contamination gradually contributes to a serious outbreak of disease, resulting in huge mortalities and great financial loss to get small-scale maqui berry farmers. The most common disease problem in the nation is epizootic ulcerative syndrome (EUS). We have a lack of technical knowledge in the management of shrimp farming. In Bangladesh, outbreaks of disease in shrimp brought on by white place syndrome disease (WSSV) (reported as systemic epidermal and mesodermal baculovirus -SEMBV) by itself caused a 44. 4% production loss in mil novecentos e noventa e seis; although the incidence of breakouts has decreased considerably ever since then. It has been approximated that the prawn culture market provides direct employment to a few 350, 1000 persons, who also are involved in fry collection and vehicles, nursery and grow-out procedures, and managing and digesting. It is evident that disease outbreaks in fish and shrimp lifestyle systems have a great impact on low-income groups.

LAUNCH

Aquaculture production continues to increase in an attempt to meet the needs of developing countries like Bangladesh. However , populace pressure and a deficit of alternative job opportunities in the country boost the attraction of fisheries as a form of job. Bangladesh faces many problems and restrictions in the lasting management of aquatic solutions. Aquaculture development in the country has become facing complications from episodes of disease, lack of up-to-date management procedures, and lack of awareness on the part of fish growers. Information on emerging problems needs to be conveyed to the aquaculture and fisheries sector. Freshwater Fish

There is certainly widespread agreement that there is a need to enhance the contribution that fisheries makes to countrywide economic, interpersonal and nutritional goals. Seafood culture in Bangladesh has become progressing to semi-intensive culture, and away from the coast fisheries, especially freshwater seafood, are used for neighborhood consumption. Some 43 million ha can be used for inland fisheries, which ponds and tanks cover an area of 147, 1000 ha. Indiscriminate and unplanned use of give food to and fertiliser and overstocking increase tension on fish and increase their susceptibility to pathogens. The consequences of disease upon improved traditions systems happen to be significant, however , outbreaks of disease are poorly reported and written about. The most obvious a result of disease can be mortalities in the fish inhabitants, followed by economic losses. Even though the country is usually facing critical...

References: Banu, A. And. H., M. A. Hossain and M. H. Khan. 1993. Research into the incident of unwanted organisms in carps, catfish and tilapia. Progr. Agricult. 5 (1-2): 11-16.

Banu, A. N. H., M. A. Hossain and M. L. Khan. 97. Annual Progress Report. Bangladesh Fisheries Analysis Institute, Mymensingh.

Chowdhury, T. N. 1997. Performance of carp and shrimp farms in Bangladesh. Aquaculture Asia, 11(2): 11-19.

Hossain, M. A., A. N. L. Banu, M. H. Khan and H. Sultana. 1994. Bacterial microflora isolated via carp and catfish smolder and their tenderness to some antibiotics. Bangladesh L. Microbiol. 10: 95-101.

Hoq, M. Electronic., M. A. Mazid and G. C. Haldar. 95. Socio economical impact and constraints of shrimp traditions in Bangladesh. FRI [Fisheries Study Institute] Tech. Rep. 11, 46 p.

Siriwardena, P. S. G. S i9000. N. 97. Disease reduction and wellness management in coastal shrimp culture. Foodstuff and Culture Organization of the United Nations, Technical Cooperation Programme, TCP/BGD/6714(A), Discipline Doc. Number 2, 38 p.

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