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Dhaka Tribune

DENGUE CONTROL

DNCC starts using bti bacteria in Dhaka

  • Bti is a naturally occurring bacteria
  • It does not harm the environment
Update : 08 Aug 2023, 12:08 AM

The Dhaka North City Corporation (DNCC) on Monday first applied the Bacillus thuringiensis israelensis (Bti) pesticide as part of the ongoing Aedes mosquito control program to contain the spread of dengue. 

DNCC Mayor Md Atiqul Islam was present when the pesticide was used in Road 47 area of Gulshan-2 in the morning. 

After the application of Bti, Atiqul said: "The Bti is a naturally occurring bacteria. It does not harm the environment. Besides, its use will not destroy any other aquatic animals and insects except mosquito larvae. As a result, the guppy fish that are in the drain to eat the mosquito larvae, will not die from the toxic pesticides. This will facilitate biological treatment.”

He said that there are special advantages to using Bti to kill mosquitoes. "If it is applied once in an area, there is no need to spray it again within 10 days. With the manpower we have, I can cover much more area. Earlier Temifast was used twice a week. However, if it rains, BTI will have to be applied again for seven consecutive days.”

The mayor said that the Bti is applied in developed countries in the world. "It is being used in many developed countries of the world. After visiting different countries, we came up with it after talking to the experts in Bangladesh. Hopefully, its use will play an effective role in dengue control.”

He added that the entire mosquito control team of DNCC’s 10 regions will be trained for the next five days and taught how to apply it.

"It will be monitored whether the correct amount of Bti has been mixed, and whether the correct amount has been applied at the right place. We have brought five tonnes of BTI in the first phase. It will last for three months,” Mayor Atiq said.

Among others, DNCC Chief Executive Officer Salim Reza, Chief Health Officer Brigadier General AKM Shafiqur Rahman, Deputy Chief Health Officer Lt Colonel Md Golam Mustafa Sarwar, Health Officer Dr Md Imdadul Haque, Bti pesticide expert from Singapore Li Xiang, Ward No 19 Councillor Md Mofizur Rahman, Regional Executive Officer of Region-3 Md Julkar Nayan were also present on the occasion.

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