December 2, 2021


Bangladesh study raises concern of antibiotic-resistant Salmonella in poultry


A study by the Bangladesh Livestock Research Institute (BLRI) found three serotypes of Salmonella bacteria that were resistant to 17 antibiotics in chicken samples collected from 29 wet markets in the capital Dhaka, The Daily Star reported. The resistance ranged from 6.7 to 100%.

"This is extremely alarming as it poses a big threat to public health," said Mohammed Abdus Samad, lead researcher and head of the AMR Surveillance Laboratory at BLRI.

Samad's comment follows a recent surveillance study by the Institute of Epidemiology, Disease Control and Research, which found nearly all widely used, clinically important antibiotics have lost their effectiveness by more than half.

The overall prevalence of Salmonella was the highest in broiler chickens (8.6%), followed by Sonali chickens (6.9%) and native chickens (3.1%). Sample collection took place between February and December 2019.

Of these, 29 types of Salmonella bacteria were multidrug-resistant (MDR), 15 were resistant to seven antibiotics, four to eight antibiotics and one to 10 antibiotics.

The 17 antibiotics tested include Ciprofloxacin, Streptomycin, Tetracycline, Gentamicin, Nalidixic Acid, Ampicillin, Meropenem, Ceftazidime, Ceftriaxone, and Cefotaxime and Aztreonam.

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