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Impact of Aqua Drugs and Chemicals on the Recoveries of Fish Diseases and Total Fish Production in Sherpur Region of Bangladesh

Gias Uddin Ahmed
Department of Aquaculture, Faculty of Fisheries, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

Mohammad Nurul Alam
Department of Aquaculture, Faculty of Fisheries, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

Md. Mamunur Rahman
Department of Aquaculture, Faculty of Fisheries, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh.

Abstract/ Executive Summary:

The present study was conducted to investigate the impact of aqua-drugs and chemicals on fish health and total fish production in Sherpur region, Bangladesh from July 2014 to June 2015. Forty nine different types of aqua-drugs and chemicals were recorded in the study area; among those sixteen types mainly ADDIC drugs and chemicals were widely used by the farmers for treatment of different fish diseases. It was recorded that GR Plus, Active Blue with Copper sulphate, ID Plus, Aqua c vit and H. vit plus were used for the treatment of EUS in Pangus, Shing and Thai koi which had an average recovery of 80-90%. For the treatment of Edwardsiellosis in Pangus and Thai koi, farmers used GR Plus, ID Plus, OTC power, Aqua c vit, H.vit plus and potassium permanganate which had an average recovery of 75-80%, and for the treatment of dropsy in Thai koi and Shing GR Plus, ID Plus, OTC power, Aqua c vit, H.vit plus and potassium permanganate were used which had an average recovery of 75-85%. Histopathology of liver and kidney of fishes were almost normal in control ponds, whereas, in fish organs from drug treated ponds had pathological changes like necrosis, pyknotic cells, hemorrhage, fat droplet, ilets of langerhens, degeneration of kidney tubules and vacuums. Total production of Thai koi, Shing and Pangus was 10,000 kg/acre, 10,000 kg/acre, and 13,000 kg/acre in drugs treated ponds; whereas, such value was 5,000 kg/acre, 4,500 kg/acre and 6,500 kg/acre in non-treaded ponds, respectively in the study areas. In control ponds, mortality rate was comparatively high and production was also low than drugs treated ponds. End of the experiment, it was observed that efficacy of drugs of Aqua Drug and Disease Information Centre (ADDIC) was excellent.

Keywords: Aqua drugs, Chemicals; Fish diseases, Total fish production

Location: Sherpur sadar and Nalitabari upazillas, Sherpur district, Bangladesh

Start Date: 00-07-2014

End Date: 00-06-2015

Program Area: Animal Health and Management

Commodity: Fish, Diseases

Objectives:

Objective of this study was to evaluate impact of aqua drugs and chemicals of Aqua Drug and Disease Information Centre (ADDIC) on the recoveries of fish diseases and total fish production in Sherpur region of Bangladesh

Methodology:

The present study was carried out in Sherpur sadar and Nalitabari upazillas in Sherpur district from July 2014 to June 2015. Data were collected through questionnaire interview, personal contact, participatory rural appraisal (PRA) and focus group discussion (FGD) with fish farmers association, medicine representative, market survey and retailers of aqua medicine and chemicals. The sample size varied from different target groups such as 12 to 15 farmers, 3 to 4 drug sellers or drug shops and 1 to 2 farmers association from each sampling stations. ADDIC drugs were GR Plus, Active Blue, ID Plus, Aqua c vit, H. vit Plus, Aqua Ox, OTC Power, Para Con, Haspoka killer and Converter. The impact of ADDIC aqua drugs and chemicals on fish health and production was measured through the farmer’s and retailer’s opinions. Fish production was compared between culture systems using aqua Drugs and chemicals and without chemicals. The samples were collected from the field level for health check through clinical and histological observations. Fish samples were collected from gill and liver. Sampling was done by a sharp scalpel and forceps and fixed in 10% neutral buffer formalin and kept in transparent plastic vials. Fish samples were processed in an automatic tissue processor (SHANDON, CITADEL 1000), embedded, sectioned using a microtome (LECIA JUNG RM 2035), stained with Haematoxyline and Eosin, mounted with Canada Balsam and the slides were examined under a compound microscope (OLYMPUS, Model CHS, Japan). Then photomicrographs were taken by a photographic camera in Fish Disease Laboratory at BAU, Mymensingh.

Source of Information: Asian J. Med. Biol. Res. 2015, 1 (3), 600-606; ISSN 2411-4472.

Article Link (Online Journal): http://banglajol.info/index.php/AJMBR/article/view/26483/17775

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Forty nine different types of aqua drugs, and chemicals were recorded in the study area, among those, 16 types of drugs mainly ADDIC drugs were widely used by the farmers for different fish disease treatment because they got very satisfactory recoveries. From histologically, liver sections of Thai koi from treated ponds almost normal exhibited vacuums, necrosis, hemorrhage and karyorrhexis. Kidney sections of pangus in both of treated and control ponds were almost normal except some vacuums, necrosis and hemorrhage were found. Total production of Thai koi, Shing and Pangus was 10,000 kg/acre, 10,000 kg/acre and 13,000 kg/acre in drugs treated ponds respectively. However, it was 5,000 kg/acre, 4,500 kg/acre and 6,500 kg/acre in non-treaded ponds, respectively in both upazilas. End of the experiment, the author observed that maximum farmers of Sherpur region used Aqua Drug and Disease Information Centre (ADDIC) drugs and they got good results. Efficacy of drugs of Aqua Drug and Disease Information Centre was excellent. Based on water colour, water quality parameters, growth rate, PER, FCR, SGR, survival rate, and production, positive histopathological observations could be recommended to use (ADDIC) drugs in aquaculture at farmer’s level.

Knowledge Management: Journal