TY  - GEN
T1  - Aspects of the reproductive biology and aquaculture potential of mangrove red snapper (Lutjanus argentimaculatus)
A1  - Ostrowski, B.F.
LA  - English
PB  - Universiti Putra Malaysia
YR  - 2015
UL  - http://discoverylib.upm.edu.my/discovery/Record/oai:http:--agris.upm.edu.my:0-9807
AB  - Mangrove red snapper broodstock (mean weight 4.4 kg) were stocked in flow-through seawater tanks and spawned spontaneously after 11 days.  Spawning continued during a period of six weeks from late August to mid-October producing 207,000 - 1,870,000 eggs per spawning event.  Fertilisation rate of the eggs was in the range 64-99% with a mean hatching rate of 81%.  Survival to first feeding was in the range 18-99% (mean 75%).  Subsequent larval mortality was high with 58% maximum survival to day 10 and less than 1% by day 20.  Mouth gape of developing larvae was 99 mu m at first opening whilst the mean lorica width of cultured rotifers was 138 mu m.  Smaller size initial feeds such as oyster eggs (50 mu m) or commercial micro-particulate feeds (25-60 mu m) are recommended for improved survival of first feeding larvae.  Data collected in 1991 and 1992, when spawning was observed from April - May and August - October respectively, indicate that mangrove red snapper on the west coast of Sabah have two spawning peaks during the year.
KW  - LUTJANUS
KW  - SNAPPERS
KW  - FERTILIZATION
KW  - EGG HATCHABILITY
KW  - FEEDING
KW  - OVIPOSITION
KW  - AQUACULTURE
KW  - SABAH
KW  - VIVANEAU
KW  - FECONDATION
KW  - ECLOSABILITE
KW  - ALIMENTATION
KW  - PONTE
KW  - PARGO
KW  - FECUNDACION
KW  - ECLOSABILIDAD DEL HUEVO
KW  - ALIMENTACION
KW  - OVIPOSICION
KW  - ACUICULTURA
ER  -