A working party of persons with technical and practical experience in scallop biology, hatchery technology, economics, management, fishing operations and processing technology was convened to develop a study on the feasibility of enhancing and culturing saucer scallops (Amusium balloti) in...
ORGANISATION:
Department of Agriculture and Fisheries EcoScience Precinct
Female penaeid prawns grow faster and may have higher feed conversion efficiency than do males. If a technique could be devised to bias the sex ratio of larvae produced so that the proportion of females in each brood outnumbered the males, the commercial grower could achieve dramatically...
ORGANISATION:
Department of Agriculture and Fisheries EcoScience Precinct
Australia has an abundant supply of terrestrial animal and vegetable protein feeds which has the potential to at least partly if not fully replace the fishmeal presently used in compounded aquaculture diets. A major difference between marine and terrestrial protein sources is the marked difference...
ORGANISATION:
Department of Agriculture and Fisheries EcoScience Precinct
Seagrasses are of immense ecological importance in marine ecosystems. Primary production rates for seagrass beds are amongst the highest recorded for marine and terrestrial systems. They have a well documented role as animal habitat, nursery grounds, and as substrate stabilizers.
The proximity of...
ORGANISATION:
Department of Agriculture and Fisheries EcoScience Precinct
Feed is by far the single largest cost component of barramundi farming and accounts for about 35% of on-farm operating costs. Reducing feed costs by better tailoring dietary specifications to the nutrient requirements of the fish, by providing these nutrients at least cost and by adopting feeding...
ORGANISATION:
Department of Agriculture and Fisheries EcoScience Precinct
Researchers from Queensland’s Department of Agriculture and Fisheries, James Cook University, and the University of Western Australia tested a range of otolith-based and genetic methods to identify hatchery-born from wild-born Barramundi. The project took place in the Dry Tropics region, where...
ORGANISATION:
Department of Agriculture and Fisheries EcoScience Precinct