Overcoming constraints to the efficient utilization of agricultural by-products as animal feed













Table of Contents


PROCEEDINGS OF THE FOURTH ANNUAL WORKSHOP HELD AT THE INSTITUTE OF ANIMAL RESEARCH, MANKON STATION, BAMENDA, CAMEROON 20-27 OCTOBER 1987

Edited by

A.N. Said and B.H. Dzowela
Editorial Sub-Committee
A.A. Adegbola, J.A. Kategile, D.A. Little,
M.A. Naga and S. Sibanda

ARNAB is coordinated by ILCA with the financial support of the International Development Research Centre (IDRC), Canada

DECEMBER 1989

AFRICAN RESEARCH NETWORK FOR AGRICULTURAL BY-PRODUCTS (ARNAB)
ILCA, P.O. BOX 5689, ADDIS ABABA, ETHIOPIA

Correct citation:

African Research Network for Agricultural By-products (ARNAB). 1989. Overcoming constraints to the efficient utilization of agricultural by products as animal feed. Proceedings of the Fourth Annual Workshop held at the Institute of Animal Research, Mankon Station, Bamenda, Cameroun, 20-27 October 1987. ARNAB, Addis Ababa, Ethiopia.

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


Preface

Strategies for feeding straw to small ruminants: Upgrading or generous feeding to allow selective feeding

Abstract
Introduction
Materials and methods
Results
Discussion
References

Smallholder livestock production: Constraints on the adoption of improved technologies

Abstract
Introduction
Model
Results
Discussion
References

Considerations in the design of on-farm livestock experiments and evaluation of results

Abstract
Introduction
Extraneous factors to be considered in on-farm livestock experiments
Statistical considerations
Experiences with dairy feeding systems project: Hai District-Tanzania
Materials and methods
Proposals for evaluating results when statistical methods are invalid or inadequate
References

The economics of peasant cattle feeding in Mali

Abstract
Introduction
Economic analysis
Conclusion and implications
Acknowledgements
References

Combinations of agro-industrial by-products for use in dairy diets formulated by on-farm use of a least cost ration system

Abstract
Introduction
Conclusion
References

Overcoming the constraints of nitrogen availability to improve crop residue utilisation by ruminants in Burkina Faso

Abstract
Introduction
Mismatching of supply of nutrients and physiological states of animals in the Soudanian zone of Burkina Faso
Basic principles for the choice of source of nitrogen to utilise cereal by-products
Forage or dual-purpose legumes: Reliable source of N
Acknowledgements
References

Strategies to overcome constraints in efficient utilization of agricultural by-products as animal feed

Abstract
Introduction
Constraints
Strategies to improve the efficiency in utilisation of agricultural by-products
Examples of programmes to demonstrate improved utilisation of by-products
Conclusion
References

Towards efficient utilization of poultry waste by ruminants

Abstract
Introduction
Problems associated with the use of poultry waste as a feed
Processing and feeding of poultry waste
Feeding of poultry waste-based rations-the Kenyan experience
Conclusions
References

Tephrosia spp and cottonseed (Gossypium spp) cake supplementation of rice and maize stalks fed to sheep and goats in the dry season

Abstract
Introduction
Materials and methods
Results
Discussion
Conclusion
References

The potential of crop residues, particularly wheat straw, as livestock feed in Ethiopia

Abstract
Introduction
Conclusion
Acknowledgements
References

Dolichos Lablab (Lablab purpureus) in by-product based diets for lactating cows in Botswana

Abstract
Introduction
Methodology
Results and discussion
Conclusion
References

Cereal straws in the feeding system of ruminants in Senegal

Abstract
Introduction
Experimental procedures
Results and discussions
Acknowledgements
References

Overcoming some constraints in feeding crop by-products for milk production

Abstract
Introduction
Materials and methods
Results and discussion
Conclusion
References

The feeding value of some agro-industrial by-products for beef cattle at Bambui centre

Abstract
Introduction
Materials and methods
Results and discussion
Conclusion and recommendations
Acknowedgement
References

Maize stover as a feed for ruminants

Abstract
Introduction
Discussion
Acknowledgements
References

Constraints to cereal crop residue utilisation in central Tanzania

Abstract
Introduction
Methodology
Results and discussion
Conclusion
Acknowledgements
References

Grain Yield and nutritive value of crop residues from three varieties of maize (Zea Mays L) crop

Abstract
Introduction
Materials and methods
Results
Discussion
Conclusion
Acknowledgement
References

Studies on the utilization of brewers dry grains and wheat offals by calves

Abstract
Introduction
Materials and methods
Results
Discussion
Conclusion
References

The effect of maize bran on voluntary intake and digestibility of pigeon pea (Cajanus cajan) pods by goats

Abstract
Introduction
Materials and methods
Results and discussion
Acknowledgements
References

The optimum level of roughages in the diets of sheep

Abstract
Introduction
Materials and methods
Results and discussion
References

Response of the west African dwarf sheep to diets based on processed cassava peels and Gliricidia sepium

Abstract
Introduction
Materials and methods
Results
Discussion
Conclusion
References

Utilization of Gliricidia sepium and cassava peels by West African Dwarf (Wad) goats in Nigeria

Abstract
Introduction
Materials and methods
Results and discussion
Conclusion
Acknowledgements
References

Evaluation of cassava flour and groundnut cake as concentrate supplements for west African Dwarf goats

Abstract
Introduction
Materials and methods
Results and discussion
References

Comparison of feed utilization by west African dwarf sheep fed sodium hydroxide treated soyabean pods supplemented with soyabean flour or fresh napier grass fed alone or with soyabean flour

Abstract
Introduction
Materials and methods
Results
Discussion
References

Processed and unprocessed sorghum stover in beef finishing rations

Abstract
Introduction
Materials and methods
Results
Discussion
References

Hydration as a means of improving utilization of maize stover fed to steers

Abstract
Introduction
Materials and methods
Results
Discussion
Conclusion
Acknowledgements
References

Improving the intake and utilization of by-product-based diets

Abstract
Introduction
Materials and methods
Results
Discussion

The degradation of untreated and treated maize cobs and cocoa pod husks in the rumen

Abstract
Introduction
Materials and methods
Results
Discussion
Conclusion
Acknowledgements
References

Potential of agricultural by-products as sources of mineral nutrients in ruminant diets

Abstract
Introduction
Materials and methods
Results and discussion
References

The preservation of banana crop residues through ensiling process

Abstract
Introduction
Materials and methods
Results and discussion
Conclusion
References

Solutions to the practical problems of feeding cocoa-pods to ruminants

Abstract
Introduction
Conclusion
References

Cocoa-Pod silage and cocoa-pod grass silage in goat and sheep nutrition

Abstract
Introduction
Materials and methods
Results
Discussion
Conclusion
Acknowledgements
References

The evaluation of Brewers Dried Grains (BDG) in poultry rations 1. Breeder chicken rations

Abstract
Introduction
Materials and methods
Results and discussion
Conclusion
Acknowledgements
References

Effects of incorporating rubber seed meal supplemented with blood meal in broiler rations under traditional conditions

Abstract
Introduction
Materials and methods
Experimental Rations
Results and discussion
Conclusion and recommendations
References

The effect of water lettuce (Pistia stratiotes L) as a substitute for wheat middlings in broiler finishing rations

Abstract

The use of organic manure in aquaculture. I. Polyculture of tilapia (Oreochromis niloticus) and African Catfish (Clarias lazera) in earthen ponds receiving chicken manure without supplemental feeding

Abstract

Goat keeping

Recommendations of the Fourth Annual ARNAB Workshop

List of participants

Botswana
Burkina Faso
Cameroon
Egypt
Ethiopia
Ghana
Kenya
Mali
Malawi
Nigeria
Senegal
Somalia
Sudan
Tanzania
United kingdom
Zimbabwe