Conference article

1989-02

English

http://archimer.ifremer.fr/doc/1989/acte-1429.pdf (2.55 Mo)

Mackinnon M

Advances in Tropical Aquaculture, Tahiti (French Polynesia), 20 Feb - 4 Mar 1989

Actes de colloques. Ifremer. Brest [ACTES COLLOQ. IFREMER.]. 1990

Aquaculture

Lates calcarifer, Pisces, Fresh water, Fingerlings, Hatcheries, Cage culture, Water temperature, Food conversion, Pellet feeds, Culture tanks, Diets, Growth

Lates calcarifer is distributed widely in northern Australia and is important to both commercial and recreational fisheries. There is the research on hatchery production of the species in 1984 and this work is continuing. Hatchery reared fish have been stocked to reservoirs in northern Queensland and have been used in experimental grow-out trials. Fish weaned onto formulated diets by the age of 25 days were reared to marketable size (> 500 g) in freshwater tanks. Despite suboptimal water temperatures the fish reached market size by the age of twelve months. Taste panel analysis showed that the pellet fed fish were of good quality. The sensitivity of growth rates to water temperature was demonstrated in both grow-out trials and reservoir stockings.