Mass of mortality over the past decade in routine mass hatchery and nursery rearing to produce the millions of spat required for commercial operation. These same problems have also forced the abandonment of SRO production operations by several commercial hatcheries elsewhere in NSW. three...

Prior to this project there had been investigations into some potential candidate amoebicides, with little success except for the possibility of oxidative disinfectants such as chloramine-T. This project has since tested a number of amoebicides using a progressive approach of in vitro...

Crayfish plague is a serious disease of freshwater crayfish in Europe. The infectious agent, Aphanomyces astaci, is an Oomycete that produces hyphae and zoospores and is similar to a fungus. Studies have shown that Australian freshwater crayfish are susceptible to the disease but the disease has...