CURRENT SCENARIO OF APPLICATION OF AQUA DRUGS AND  CHEMICALS IN FISH AND SHELL FISH HEALTH MANAGEMENT  OF KHULNA DISTRICT IN BANGLADESH

Sathi Rani  Dey; Manash  Kabiraj; S.M. Shahin  Hossain; Ghausiatur Reza  Banu; Shamima  Sultana

doi:10.53808/KUS.2020.17.1and2.1904-L

Authors

Sathi Rani Dey Fisheries and Marine Resource Technology Discipline, Khulna University, Khulna 9208, Bangladesh
Manash Kabiraj Fisheries and Marine Resource Technology Discipline, Khulna University, Khulna 9208, Bangladesh
S.M. Shahin Hossain Fisheries and Marine Resource Technology Discipline, Khulna University, Khulna 9208, Bangladesh
Ghausiatur Reza Banu Fisheries and Marine Resource Technology Discipline, Khulna University, Khulna 9208, Bangladesh
Shamima Sultana Fisheries and Marine Resource Technology Discipline, Khulna University, Khulna 9208, Bangladesh

DOI:

https://doi.org/10.53808/KUS.2020.17.1and2.1904-L

Keywords:

Aqua drugs, chemicals, dose, interview, farmers, chemical sellers

Abstract

To find out the present picture of applied aqua drugs and chemicals in aquatic animal health management in Khulna district, data were collected through questionnaire interview from ninety fish farms and hatcheries in nine different upazillas of Khulna district, Bangladesh during May to November 2016. The result revealed that fifty seven aqua drugs and chemicals were used at nine different stages of aquatic animal health management whereas Lime (71.1%), Bioaqua (10.0%), Aquanone (10.0%), Bleaching Chlorine (16.7%), Oxy Well (6.7%), Gas Check Plus (8.9%), Oxygen plus (6.7%), Zeolite (21.1%), Gastrap (12.2%), AC mix super fish (7.8%), Rapid Grow (7.8%), BioPermix (gold) (7.8%), Charger Gel (6.7%), Potash (21.1%) and Salt (32.2%) were used by greater percentage of farmers among others due to several reasons like low price, availability, effectiveness and so on. Additionally, applied dose of twelve aqua drugs and chemicals significantly varied from recommended dose of application as well as greater than standard dose of application. However, it pointed out some major problems associated with topic like lack of knowledge of farmers and hatchery owners about the application of such products, appropriate dose, ultimate fate etc. as well as involvement of different local aqua drug and chemical sellers. The effects and fates of chemicals and their residues in cultured organisms and within the aquaculture system itself are still quite unknown. So, this practice should be under scrutiny for the purpose of getting better product through good aquaculture practice.

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