Genes expression in of Bangladesh; challenged with AHPND-causing .

the causative agent of Acute hepatopancreatic necrosis disease (AHPND), was discovered in 2013 as a unique isolate that produces toxins and kills penaeid shrimps in devasting nature in Bangladesh and causes severe economic losses. This research aimed to understand the expressions of immune genes in different stages of the host species, against virulence and toxin genes upon being challenged with . Healthy post-larvae (PL) samples were collected from southwestern of Bangladesh from July 2021 to August 2022.

Diagnosis, genetic variations, virulence, and toxicity of AHPND-positive in .

Acute hepatopancreatic necrosis disease (AHPND) is an emerging shrimp () disease caused by (VP) since 2013 in Bangladesh. The aim of this work was to evaluate a PCR and RT-PCR techniques as rapid methods for detecting AHPND-positive using genetic markers. Healthy and diseased shrimp () samples were collected from three monitoring stations.