TAILIEUCHUNG - A Review of Poultry Manure Management: Directions for the Future

In Canada, other factors such as digester insulation, because of cold weather, also influence the final cost of such a system. To be economical, digester capital cost must be offset by energy savings, fertilizer use, and bedding replacement . Another disadvantage 17 is that fresh poultry manure can be hauled as solid manure, but if digested, the dilution water would increase the original volume by about four times . As well, the biogas produced has low energy per unit volume and can only be used for on-site operations such as running an electrical generator. Other problems associated with digesters include manure handling-pumping, grinding,. | A Review of Poultry Manure Management Directions for the Future Agriculture and Agri-Food Canada Poultry Section August 17 1990 Table o f Contents Click on a subject to view its content 1. Introduction 2. The Chemical Composition of Poultry Manure 3. Processing Poultry Manure a Anaerobic Processing of Poultry Manure i Anaerobic Lagoons ii Anaerobic Digesters b Aerobic Processing of Poultry Manure i Aerobic Lagoons ii Oxidation Ditches c Composting of Poultry Manure d Dehydration of Poultry Manure e Incineration 4. Handling Poultry Manure a Collection b Transfer and Storage c Removal Transport and Incorporation 5. Poultry Manure Management - Guidelines and Legislation 6. Environmental Poultry Manure Management a Water Pollution b Manure Gases i Carbon Dioxide ii Ammonia iii Hydrogen sulphide iv Methane v Carbon Monoxide c Odours d Other Concerns e Management Principles 7. Specific Topics of Applications of Poultry Manure a Poultry Manure As Feedstuff i Dehydration ii Ensiling iii Processing b Poultry Manure As Fertilizer i Non-Treated ii Composted iii Digested iv Dehydration 8. Conclusions References Appendix I Summary of Waste Collection Alternatives Appendix II Estimate of Canadian Poultry Manure Production Appendix III Composition of Manures Appendix IV Manure Handling Systems for Poultry Appendix V Properties of the Principal Manure Gases 1. Introduction Poultry manure production occurs as a result of the normal everyday processes of the poultry industry. It is a valuable by-product of this industry and has valuable potential uses beyond the traditional one of fertilizer5. It is always interesting to note that if one were looking strictly at the fate of the nutrient inputs the major product of any animal feeding system is manure not animal protein26. Often manures are considered waste materials and a place to dispose of them has to be found. However if the manure is considered a by-product of the industry a possible use for it in a market economy can be found. .

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