Towards optimal feeding of agricultural byproducts to livestock in Africa: Proceedings of a workshop held at the University of Alexandria, Egypt October 1985













Table of Contents


By the

AFRICAN RESEARCH NETWORK FOR AGRICULTURAL BYPRODUCTS (ARNAB)

Chief Editors
T R Preston
M Y Nuwanyakpa

(ARNAB Secretariat)

July 1986

INTERNATIONAL LIVESTOCK CENTRE FOR AFRICA
P.O. BOX 5689, ADDIS ABABA, ETHIOPIA

Correct citation: ARNAB (African Research Network for Agricultural Byproducts). 1986. Towards Optimal Feeding of Agricultural Byproducts to Livestock in Africa: Proceedings of a workshop held at the University of Alexandria, Egypt, October 1985. ILCA, Addis Ababa, Ethiopia.

ACKNOWLEDGEMENTS

In the production of these proceedings, the ARNAB Secretariat acknowledges the editorial assistance of Drs. V.C. Mason, L.J. Lambourne, J.A. Kategile, A.N. Said, G. Potts and A.A. Adegbola and the collation skills of Mr. and Mrs P. Neate and Mrs. C. Sheffied.

The ARNAB Network is coordinated by ILCA with the financial assistance of the International Development Research Centre (IDRC), Canada.

This electronic document has been scanned using optical character recognition (OCR) software and careful manual recorrection. Even if the quality of digitalisation is high, the FAO declines all responsibility for any discrepancies that may exist between the present document and its original printed version.


Table of Contents


ARNAB network aspirations

Summary
Introduction
Definition of network
Scientists
Network potentials and common problems
History of ARNAB
Evaluation
References

The use of diagnostic surveys in directing on-farm research: The experience of the smallholder dairy feeding systems project in Tanzania

Summary
Introduction
Methodology
Results and discussion
Conclusions
References

On-farm research on utilization of crop residues by smallholder dairy farmers in Hai district, Tanzania

Summary
Background information
Diagnostic survey results on utilization of crop residues
On-farm research activities
References

Prospects for efficient utilization of agro-industrial byproducts and crop residues for ruminant feeding in the Sudan, with emphasis on quantification, nutritional composition, constraints and research results

Summary
Introduction
Results and discussion
Conclusion
References

Prediction of nutritive value of some crop residues and agro-industrial byproducts from their chemical analysis

Introduction
Objectives
Material and methods
Results
Conclusion
References

Use of INFIC nomenclature on crop residues and byproducts produced in Kenya

Introduction
Methodology
Discussion
References
Appendix I

Urea versus ammonia for upgrading graminaceous materials

Summary
Introduction
Conclusion
References

The new agri-am process for ammoniation: Stack-ammoniation of mature forages using ammonium salts

Summary
Introduction
Conclusions
References

Byproduct utilization in ruminant diets in Cyprus

Summary
Introduction
Materials and methods
Results and discussion
References

Required minerals for the improvement of poor quality roughages

Summary
Introduction
Differences in mineral content between low and high fibre feeds
Recognition of mineral deficiencies

Utilization of rice straw on small farms in Egypt

Summary
Introduction
Materials and methods
Results and discussion
References

Rice straw in complete pelleted diets for sheep

Summary
Introduction
Materials and methods
Results and discussion
References

Byproduct utilization in Egypt: A proposed strategy for the development of animal feed resources

Summary
Feed and animal resources in Egypt
Animal feed resources in Egypt

Effects of watering frequency on the response of sheep to supplementation with molasses/urea and noug cake (Guizotia abyssinica)

Summary
Introduction
Materials and methods
Results and discussion
Conclusion
Acknowledgements
References

Effects of ensilage, added nitrogen and energy on the utilization of grain sorghum stover by beef cattle

Summary
Introduction
Materials and methods
Results and discussion
Conclusions
References

Preparation of cassava peels for use in small ruminant production in western Nigeria

Introduction
Review of literature
Chemical composition of cassava peel and the effect of sun-drying
Cassava peel silage
References

The utilization of sugar-cane tops in combination with Leucaena Leucocephala as a feed for goats

Introduction
Materials and methods
Results
Discussion
Conclusions
References

Leucaena leaf hay (Leucaena leucocephala cv Peru) as protein supplement for Malawian goats fed chopped maize stover

Summary
Introduction
Materials and methods
Results and discussion
Acknowledgments
References

Performance of beef cattle fattened on crop residues and crop byproducts in Malawi

Introduction
Objective of the scheme
Operation of the scheme
Conclusion
References

Maize stover in maintenance diets for sheep and goats in Cameroon

Summary
Introduction
Materials and methods
Results and discussion
Acknowledgements
References

The use of crop residues in livestock production systems in the communal areas of Zimbabwe

Summary
Introduction
Agro-ecological regions and cattle distribution
Quantities of crop residues produced in communal areas
Use of crop residues and impact on productivity
Suggested ways of improving nutritive value of crop residues
Conclusion
References

Strategies for optimising the utilization of crop residues and agro-industrial byproducts for livestock feeding in the tropics

Introduction
Alternative approaches to the development of feeding systems
Animal response to non-conventional feed resources
Nutritive value
Relating nutrient supply to productive state
Principles of supplementation
Alternative sources of supplements
References

Strategic supplementation to optimise rumen function and the balance of absorbed nutrients in ruminants fed largely on crop residues

Introduction
Urea-molasses blocks
Milk production on crop residues
Fattening of cattle and sheep on state farms
References