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Drugs and Chemicals Used in Aquaculture Activities for Fish Health Management in the Coastal Region of Bangladesh

Md. Rajib Sharker
Department of Fisheries Biology and genetics, Patuakhali Science and Technology University, Patuakhali-8602.

Md. Reaz Chaklader
Department of Fisheries Biology and genetics, Patuakhali Science and Technology University, Patuakhali-8602.

Mir Mohammad Ali
Department of Aquaculture, Patuakhali Science and Technology University, Patuakhali-8602.

Zannatul Ferdous
Department of Aquaculture, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

Md. Mokhlasur Rahman
Department of Fisheries Biology and Genetics, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh.

Md. Jahangir Alam
Department of Fisheries Management, Patuakhali Science and Technology University, Patuakhali-8602.

Kanij Rukshana Sumi
Department of Aquaculture, Patuakhali Science and Technology University, Patuakhali-8602.

Abstract/ Executive Summary:

An experiment was conducted to assess the application mode of different commercial aqua drugs and chemicals in aquaculture activities in the coastal region of Bangladesh. Data were collected through stratified random sampling techniques using key PRA tools like questionnaire interview, personal interview, market survey, and Focus Group Discussion (FGD) with fish and shellfish hatchery owners, nursery and culture farmers and retailers of aqua medicine and representatives of pharmaceutical companies. Six categories of aqua drugs and chemicals were found to be used by fish farmers and hatchery owners for water quality management, disinfectants, disease treatment, antibiotics and growth promoter. Most commonly used chemicals in this area including Geotox, Zeolite, Zeocare, Lime, Mega zeo, Bio Aqua, Aquanone and Zeo prime for the pond preparation and water quality management. Bleaching, Aquakleen, BKC, EDTA, Efinol, Formalin are used for the treatment of disease. Bio-ox, Best oxygen, Oxygen plus, Oxyflow, Oxylife, Oxymax, Oxymore and Oxyplus are the available chemicals for increasing oxygen concentration in the pond. Renamycin, Bactitab, Chlorsteclin, Cotrim-Vet, Orgacycline- 15%, Oxysentin 20% and Sulfatrim were widely used antibiotics in this area. The study shows that lack of knowledge regarding use of chemicals, appropriate dose, method of application and indiscriminate use of chemicals are the major problem for fish health management in the coastal region of Bangladesh.

Keywords: Antibiotics, Aquaculture, Chemicals, Disinfectants, Fish Health Management

Location: Patuakhali district

Start Date:

End Date:

Program Area: Animal Health and Management

Commodity: Fish

Objectives:

1. To assess the list of drugs and chemicals used in aquaculture, purpose, methods and dosage of application in the coastal region.

Methodology:

Study Area: Data was collected from different private hatcheries, nurseries, fish farms and aqua drug shop in the coastal region mainly focused on ?Patuakhali district where aquaculture clusters are located for a period of six months. Primary and secondary data were used during the study. For gathering data, combinations of several survey techniques were adopted. Secondary source of information consist of published material such as journals, textbooks, newspaper, etc. Moreover, appropriate government and non-government organizations as like Fish Inspection and Quality Control (FIQC) office. The existing problems associated with the use of aquaculture drugs were also collected from the secondary source. For the confirmation of the secondary data, primary data was used also. By using questionnaire interviews and direct observations, primary data were gathered for this survey. Primary data were collected through questionnaire interview with hatchery owner, culture farm, chemical seller, medical representative of Pharmaceuticals Company. The questionnaire form was filled in by interviewing from 25 hatcheries owner, 15 chemical sellers and 10 medical representatives of Pharmaceuticals Company directly from the study area. Questionnaire was examined in the field before interviews. One of the PRA tool, such as Focus Group Discussion (FGD) was conducted with hatcheries owner, chemical sellers and medical representatives of Pharmaceuticals Company. In this research, FGD was used to get an overview of particular issues such as the existing problems associated with the use of aquaculture drugs. A total of 4 FGD sessions was conducted where each group size of FGD was 6 to 8 people. FGD session was held in front of hatchery, representative offices, chemical sellers shop, etc. Crosscheck interviews were conducted with Upazila Fisheries Officer, Assistant Fisheries Officer, relevant NGO workers, hatchery owner, chemical seller and medical representative of Pharmaceuticals Company at their offices or home. Data Processing and Analysis: The summary tables were prepared in accordance to the objective of the study. Data collected from various sources were entered into a data base system using Microsoft office Software. The processed data were transferred to a master sheet from which classified tables were prepared revealing the findings of the study. At each stage of survey data sheets were compared with original data sheets to ensure the accuracy of data entered.

Source of Information: Int. J. LifeSc. Bt & Pharm. Res.Vol. 3, No. 4, 49-58, October 2014

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Considering the present situation, it can be assumed that with the further advancement of the aquaculture industry in Bangladesh, particularly in systems undergoing intensification, the applications of chemicals would be increased. The present study described the existing status of aquaculture drugs used in fish and shrimp health management by the fish and shrimp farmers. By the survey, farmers did not have proper knowledge about the chemicals they were using especially those were available in the markets known by their trade names only. However, policy makers, researchers and scientists should work together in addressing the issues of drugs used in aquaculture with the view to decrease the negative impacts. Therefore, both the government and nongovernment organizations should take initiative for better understanding of chemical uses in aquaculture management.

Knowledge Management: Journal