February 15-18, 2009 Washington State Convention Center Seattle ...

POULTRY BY-PRODUCT MEAL- BASED PELLETED FEEDS FOR THE CULTURE OF
HUMPBACK GROUPER Cromileptes altivelis
Rossita Shapawi*, Saleem Mustafa and Ng Wing Keong
Borneo Marine Research Institute
Universiti Malaysia Sabah
Locked Bag 2073
88999 Kota Kinabalu Sabah, Malaysia
rossita@ums.edu.my
Two isoproteic and isolipidic feeds (U-MS/SM1 and U-MS/SM2) were formulated with a blend of alternative ingredients in
the place of marine fish meal and fish oil, and fed to humpback grouper (Cromileptes altivelis), a tropical marine carnivorous
fish species. Both prototype feeds were formulated with poultry by-product meal (PBM) to replace fish meal at different inclusion
levels. U-MS/SM1 contained less dietary PBM level than U-MS/SM2. Added dietary lipid was in the form of crude palm
oil (CPO) and fish oil in U-MS/SM1, and fish oil in U-MS/SM2.Growth performance, feed utilization efficiency, survival and
cost-benefits of humpback grouper fed these diets were compared with those fed ComDiet1 (local commercial marine fish
feed), ComDiet2 (imported high-fat commercial marine fish feed) and trash fish (Sardinella spp.). The performance of U-
MS/SM1 and U-MS/SM2 feeds was similar to or better than the imported marine fish feed, ComDiet2. Both U-MS/SM1 and
U-MS/SM2 feeds, give better growth compared to fish fed ComDiet1 or the trash fish. In case of fish fed U-MS/SM2, growth
was significantly higher than those given U-MS/SM1 and ComDiet2, three times higher than the growth of fish fed ComDiet1,
and double the growth of fish fed the trash fish (Table 1). In conclusion, diets U-MS/SM1 and U-MS/SM2 were able to reduce
the feed cost per kg of humpback grouper produced (Table 2).
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