Small-scale manufacture of compound animal feed
This bulletin supersedes TDRI report G67 The small-scale manufacture of compound animal feed, which was first published in 1971. It retains a similar format to G67, but the text has been extensively revised and expanded in the light of numerous enquiries dealt with by ODNRI on all aspects of feed production in the intervening years. It is hoped that it will act as a technical and investment guide for those interested in initiating the production of compound animal feeds, as well as acting as a useful reference report for those already actively operating in this field. Chapter 1 describes the economic background to the industry; theoretical aspects of animal nutrition are dealt with in Chapter 2; these are related to the properties of the various raw materials used in feed production in Chapter 3. Chapter 4 describes the manufacturing process and examines the physical requirements for setting up plants at various scales of output, and Chapter 5 develops cost and return models for the plants described.
Thus the bulletin attempts to deal with all the principal factors relating to the establishment of compound feed production, and to provide the basis for full feasibility studies. The cost models, which are tabulated in great detail in the appendices, have been expressed both in physical and in financial terms. The former should facilitate the use of the bulletin in a variety of circumstances by enabling the insertion of local data into the models; the latter should give further guidance in that they provide a worked example using known costs for a specific developing country in Asia for which data were available.
It should be noted that this bulletin is concerned only with relatively small-scale plant. The earlier report dealt with plants having output capacities from 1 tonne per hour to 10 tonnes per hour. Since it was first published there has been a growing appreciation that, with certain exceptions, smaller plants may be more appropriate to many developing country circumstances. Consequently even smaller-scale operations than in the preceding report are included in this bulletin - these being more appropriate to home mixing on small livestock units or in village scale or small co-operative organizations. The largest plant considered has a capacity of 2 tonnes of meal/hour (approx 5,000 or 10,000 tonnes/year on single or double shift systems respectively), bringing it into the range of small-scale industrial production. Higher capacity plants are usually specifically designed and built for each customer's requirements. Nevertheless, much of the information contained in this bulletin can be adapted to assist in making a preliminary assessment of the likely feasibility of a larger scale plant.
More information on the composition and nutritive value of a wider range of raw materials has been included Its intention is to assist in the utilization of locally available raw materials including wastes and crop processing by-products. Experience has shown that limitations in the regular supply of raw materials of adequate quantity and quality form one of the major constraints on compound feed production in developing countries.
Credits
Bulletin no. 9
Overseas Development Natural Resources Institute
Compiled by W. H. Parr with contributions by: B. S. Capper, D. R. S. Cox, K. Jewers, A. D. Marter, W. Nichols, D. R. Silvey, J. F. Wood
Published by ODNRI
The Scientific Unit Of The Overseas Development Administration
Acknowledgements
© Crown copyright 1988
This bulletin was produced by the Overseas Development Natural Resources institute which was formed in September 1987 by the amalgamation of the Land Resources Development Centre and the Tropical Development and Research Institute. ODNRI is the scientific unit of the British Government's Overseas Development Administration and is funded from the overseas aid programme. The Institute provides technical assistance to developing countries and specializes in the utilization of land resources, pest and vector management and post-harvest technology.
Short extracts of material from this bulletin may be reproduced in any non-advertising, non-profit-making context provided that the source is acknowledged as follows:
Parr, W. H. (Compiler) and contributors, (1988). The small-scale manufacture of compound animal feed. Overseas Development Natural Resources Institute Bulletin No. 9, iv+87pp.
Permission for commercial reproduction should, however, be sought from the Head, Publications Section, Overseas Development Natural Resources Institute, Central Avenue, Chatham Maritime, Chatham, Kent, ME4 4TB, United Kingdom.
No charge is made for single copies of this publication sent to governmental and educational establishments, research institutions and non-profit-making organizations working in countries eligible for British Government Aid. Free copies cannot normally be addressed to individuals by name but only under their official titles.
Overseas Development Natural Resources Institute
ISBN 0 85954-238-6
ISSN 0952 8245
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