The Western Australian Pearling Industry is totally reliant on
quotas of wild stock silver- or goldlip pearl oysters,
Pinctada maxima. Any sustainable expansion of the Industry is
unlikely to occur unless hatchery-propagated oysters become
available as an alternative source to wild stock....
ORGANISATION:
Department of Primary Industries and Regional Development (DPIRD) WA
There has been recent revitalization of the West Australian pearl culture industry to a stage where annual production is now worth about $40 million. Mortalities of pearl shell transported to the culture farms and concerns regarding the state of pearl oyster stocks stimulated a series of research...
Most marine and freshwater fishes depend on plankton for food during a period shortly after birth until they are large enough to switch to other prey. At the Inland Fisheries Research Station, Narrandera (NIFRS), native fish are spawned and the larvae transferred to rearing ponds for approximately...
The three experiments conducted to spawn and grow C. Gigas were only partly successful, with total mortality of larvae occuring in 14 days: spawning and larvae growth to this period being successful on each occasion. Further experiments in an attempt to determine the reason for failure using the...