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Evaluation of locally available feed resources for striped catfish (Pangasianodon hypophthalmus)

Da, Chau Thi (2012). Evaluation of locally available feed resources for striped catfish (Pangasianodon hypophthalmus). Diss. (sammanfattning/summary) Uppsala : Sveriges lantbruksuniv., Acta Universitatis agriculturae Sueciae, 1652-6880 ; 2012:89
ISBN 978˗91˗576˗7736˗5
[Doctoral thesis]

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Abstract

This thesis investigated and compared inputs and outputs, economic factors and current feed use in small-scale farming systems producing striped catfish (Pangasianodon hypophthalmus) in the Mekong Delta. The nutrient content of locally available natural feed resources for striped catfish was determined and growth performance, feed utilisation and body indices were analysed in pond-cultured striped catfish fed diets where fish meal protein was replaced with protein from local feed resources.

A survey showed that around 15 feed ingredients are used in striped catfish pond culture in the region. The combination of feed ingredients used in farm-made feeds varied among fish farms. The cost of producing 1 kg of fish using farm-made feeds was usually 8˗10% lower than that of using commercial feeds. Digestibility trials on selected potential feedstuffs showed that the apparent digestibility (AD) of DM, CP, OM and energy was highest in soybean meal, groundnut cake, broken rice, shrimp head meal, golden apple snail and catfish by-product meal and earthworm meal, whilst the digestibility was in lower cassava leaf meal and sweet potato leaf meal. The average digestibility of most essential amino acids (EAA) in selected feed ingredients was high (range 70˗92%), indicating high protein quality of these feedstuffs. In general, the AD of individual EAA was high for all diets except those with cassava leaf meal, rice bran and earthworm meal, where the AD of EAA was reduced. Two different growth experiments with the same diet (20˗100% replacement of fish meal) were performed in an indoor and an outdoor culture system. A significant finding was that daily weight gain (DWG) was much higher (3.2˗ to 6˗fold) in outdoor culture conditions compared with indoor. Feed conversion rate and feed utilisation were also 0.2˗0.7 units (kg feed DM/kg weight gain) higher in the outdoor system. The results suggest that fish meal protein in feed for striped catfish fingerlings can be replaced with protein from locally available plant and animal ingredients without compromising growth performance, feed utilisation or carcass traits.

Authors/Creators:Da, Chau Thi
Title:Evaluation of locally available feed resources for striped catfish (Pangasianodon hypophthalmus)
Series/Journal:Acta Universitatis agriculturae Sueciae (1652-6880)
Year of publishing :28 November 2012
Volume:2012:89
Number of Pages:78
Papers/manuscripts:
NumberReferences
I.Da, C.T., Hung, L.T., Berg, H., Lindberg, J.E. and Lundh, T. (2011). Evaluation of potential feed sources, and technical and economic considerations of small˗scale commercial striped catfish (Pangasianodon hypophthalmus) pond farming systems in the Mekong Delta of Vietnam. Aquaculture Research (doi:10.1111/j.1365˗2109.2011.03048.x), 1–13
II.Da, C.T., Lindberg, J.E. and Lundh, T. (2012). Digestibility of dietary components and amino acids in plant protein feed ingredients in striped catfish (Pangasianodon hypophthalmus) fingerlings. Aquaculture Nutrition (doi:10111/anu.12011), 1–10
III.Da, C.T., Lundh, T. and Lindberg, J.E. (2012). Digestibility of dietary components and amino acids in animal and plant protein feed ingredients in striped catfish (Pangasianodon hypophthalmus) fingerlings (Submitted to Aquaculture Nutrition)
IV.Da, C.T., Lundh, T. and Lindberg, J.E. (2012). Evaluation of local feed resources as alternatives to fish meal in terms of growth performance, feed utilisation and biological indices of striped catfish (Pangasianodon hypophthalmus) fingerlings. Aquaculture 364–365, 150–156
V.Da, C.T., Lundh, T., Berg H., and Lindberg, J.E. (2012). Growth performance, feed utilization and biological indices of pond˗cultured striped catfish (Pangasianodon hypophthalmus) fed diets based on locally available feed resources (manuscript)
Place of Publication:Uppsala
Publisher:Department of Animal Nutrition and Management, Swedish University of Agriculture Sciences
ISBN for printed version:978˗91˗576˗7736˗5
ISSN:1652-6880
Language:English
Publication Type:Doctoral thesis
Full Text Status:Public
Agris subject categories.:L Animal production > L02 Animal feeding
M Aquatic sciences and fisheries > M12 Aquaculture production
Q Food science > Q54 Feed composition
Subjects:(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 401 Agricultural, Forestry and Fisheries > Fish and Aquacultural Science
Agrovoc terms:pangasius hypophthalmus, freshwater catfish, fish feeding, fish ponds, feeds, protein quality, digestibility, feed resources, animal performance, weight gain, mekong river, viet nam
Keywords:striped catfish, local feed resources, dietary components, amino acids digestibility, alternative protein, growth performance
URN:NBN:urn:nbn:se:slu:epsilon-e-745
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-e-745
ID Code:9259
Department:(VH) > Dept. of Animal Nutrition and Management
External funders:Swedish International Development Cooperation Agency
Deposited By: Mr Chau Thi Da Chau
Deposited On:28 Nov 2012 11:58
Metadata Last Modified:02 Dec 2014 10:53

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