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Apparent digestibility of some nutrient sources by juvenile mud crab, Scylla serrata (Forskal 1775)
Author(s) -
Tuan Vuanh,
Anderson Alex,
Luongvan Jim,
Shelley Colin,
Allan Geoff
Publication year - 2006
Publication title -
aquaculture research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.646
H-Index - 89
eISSN - 1365-2109
pISSN - 1355-557X
DOI - 10.1111/j.1365-2109.2005.01433.x
Subject(s) - scylla serrata , biology , blood meal , meal , fish meal , soybean meal , shrimp , zoology , dry matter , nutrient , food science , fishery , ecology , fish <actinopterygii> , raw material
As part of preliminary work aimed at the development of a formulated diet for the mud crab, Scylla serrata , an experiment was conducted with juvenile mud crabs (95.65±2.17 g) to determine apparent digestibility coefficients (ADC) for cellulose, fish meal, shrimp meal, blood meal, soybean meal, wheat flour and cod liver oil. Apparent digestibility coefficients for dry matter (ADC dm ), energy (ADC energy ) and protein (ADC protein ) were in the ranges 70.0–95.7%, 77.4–97.1% and 57.7–97.9% respectively. Soybean meal had the highest ADC dm and wheat flour had the lowest value ( P <0.05), while the ADC dm for fish meal, blood meal and shrimp meal were not different ( P ≥0.05). Similarly, soybean meal had the same ADC energy as that of fish meal, but higher than those of cod liver oil, blood meal and shrimp meal ( P <0.05). Moreover, the ADC protein for blood meal or shrimp meal were not significantly different from fish meal ( P ≥0.05); nevertheless, they were lower than that of soybean meal and higher than that of wheat flour ( P <0.05). Of significant interest was the ADC dm (78.0%) and ADC energy (77.4%) for cellulose, which indicates that plant‐based nutrient sources may well be a useful component of formulated diets for mud crabs.