Health & Welfare Monday, 3 May 2021 Qingli Zhang, Ph.D. Study finds that novel TPD This study investigated potential infectious agents of the Translucent Postlarva Disease (TPD) in Pacific white shrimp, and determined that a novel Vibrio parahaemolyticus causes this emerging disease. Photo by Fernando Huerta. Aquaculture, including shrimp farming, is the fastest-growing sector producing food of animal origin in the world. Several emerging diseases – including acute hepatopancreatic necrosis disease (AHPND), viral covert mortality disease (VCMD), infection by Enterocytozoon hepatopenaei (EHP) and infection of shrimp hemocyte iridescent virus (SHIV) – have impacted on the global shrimp aquaculture industry. More recently, a novel disease called “translucent postlarvae disease” (TPD) or “glass postlarvae disease” (GPD) in Pacific white shrimp (