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
Infection by marine Vlbrlo bacteria is still considered to be
the major opportunistic cause of mass mortalities of pearl
oysters (Pinctada maxima} on farm lease sites in the north
west of Western Australia. Vibriosis of P. maxima was found
to occur following some form of stressful husbandry...
ORGANISATION:
Department of Primary Industries and Regional Development (DPIRD) WA
1 A method was developed to rapidly assess the effectiveness of trap designs and identify
the causes of differences in effectiveness.
2 Fish entry and escape probabilities are correlated across trap designs. The probabilities
are very high for '0' and 'S' trap designs and are much lower for the 'Z'...