Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 449212
Title Effects of ingredient parical sizes and binders on characterisctics of fecal waste of tra catfish (Pangasionodon hyphophthalmus)
Author(s) Tran, T.L.C.; Tran Thi Thanh, H.; Thi Thanh, H. Do; Nguyen Thanh, P.; Bosma, R.H.; Heinsbroek, L.T.N.; Schrama, J.W.; Verreth, J.A.J.
Event Asian-Pacific Aquaculture 2013, Ho Chi Minh City, 2013-12-10/2013-12-13
Department(s) Aquaculture and Fisheries
Publication type Abstract in scientific journal or proceedings
Publication year 2013
Abstract The culture of Tra catfish in the Mekong Delta has been expanding in the last decade. However, there are many problems with this growth. One of these is decreasing of fish digestibility because of increasing to use cheap plant ingredients. Although using plant-derived protein sources is certainly lowering feed price, this could lead to many negative effects such as reducing digestibility, deducting growth … because of an increase dietary levels of non-starch polysaccharide (NSP). Moreover, both levels and characteristics of NSP might show the same effects. A problem is mentioned that whether and how binder levels and technology (especially particle sizes) affect on characteristics of fecal waste in Tra catfish. In this study, particle sizes by grinding at 0.8mm versus 1.0mm of high-cellulose-content ingredient (sunflower meal, being included at 17%) with 3 different levels of guar gum (0, 0.3, and 0.6%) will be compared. Three hundred and sixty Tra catfish (~85 per fish) will be stocked into each of 18 170L-tank at an outdoor water temperature (around 29°C) with flow through water. Fish were fed six diet treatments (three tanks per each). Chemical compositions of fecal waste in GIT - gastro intestinal tract - of Tra catfish will be determined. The result will be discussed further in the Conference.
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