Effect of selected feed meals and starches on diet digestibility in the mud crab, Scylla serrata

Truong, Phuong, Anderson, Alexander, Mather, Peter, Paterson, Brian, & Richardson, Neil A. (2008) Effect of selected feed meals and starches on diet digestibility in the mud crab, Scylla serrata. Aquaculture Research, 39(16), pp. 1778-1786.

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The present study examined the capacity of the mud crab, Scylla serrata to digest experimental diets that contained different animal and plant-based feed meals or different levels or types of starch. The apparent dry matter digestibility (ADMD) coefficients for all feed meals tested in the first part of this study, except meat meal, were similar (78–88%). Crude protein digestibility (ACPD) coefficients for all feed meals were relatively high, with values ranging from 86% to 96%. Cotton seed meal, poultry meal, canola meal, fishmeal, soybean meal and lupin meal had similar gross energy digestibility (AGED) values (P>0.05) ranging from 84% to 89%. In the second part of this study, the impact of selected starches on the digestibility of fishmeal-based formulated diets was assessed. The apparent starch digestibility (ASD) of wheat starch decreased significantly as the inclusion level was increased from 15% to 60%, however, there was no significant effect on ACPD values. At a 30% inclusion level, the ASD of diets containing different starches decreased in the order corn>wheat>potato=rice. Moreover, ACPD values were significantly higher (P<0.05) in the diets containing corn or rice starch than in those containing wheat or potato starches.

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ID Code: 30973
Item Type: Journal Article
Refereed: Yes
Additional URLs:
Keywords: mud crab, Scylla serrata , digestibility , starch
DOI: 10.1111/j.1365-2109.2008.02056.x
ISSN: 1355-557X
Subjects: Australian and New Zealand Standard Research Classification > BIOLOGICAL SCIENCES (060000) > PHYSIOLOGY (060600) > Animal Physiology - Systems (060603)
Divisions: Past > QUT Faculties & Divisions > Faculty of Science and Technology
Past > Institutes > Institute for Sustainable Resources
Copyright Owner: Copyright 2008 Wiley-Blackwell Publishing Ltd.
Deposited On: 15 Feb 2010 21:51
Last Modified: 29 Feb 2012 13:44

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