Emission factors for poultry for modelling and reporting
The emission factors below should be used for carrying out ammonia assessments and for calculating your emissions for the Emissions Inventory reporting.
These factors are subject to change as further information becomes available, only the emission factors on the website at the time of your application will be considered valid.
Ammonia - poultry housing
| Housing type | Ammonia Emission Factor (kg NH3/animal place/year) |
|---|---|
| Layers |
|
|
Cage with deep pit manure storage beneath |
0.29 |
|
Ventilated deep pit |
0.20 |
|
Manure removal twice a week by manure belt |
0.035 |
|
Vertical tiered cages with forced air drying once a week removal |
0.035 |
|
Vertical tiered cages with whisk forced air drying once a week removal |
0.09 |
|
Vertical tiered cages with manure belt with drying tunnel over cage 24-36 hour removal |
0.035 |
|
Barn and free range |
|
|
Perchery with deep litter |
0.29 |
|
Litter system with forced air drying |
0.12 |
|
Litter system with perforated floor and forced air drying |
0.10 |
|
Aviary system |
0.08 |
|
Free range ranging area |
0.045 |
|
Broilers |
|
|
Naturally ventilated, fully littered floor, non-leaking drinkers |
0.034 |
|
Fan ventilated, fully littered floor, non-leaking drinkers |
0.034 |
|
Pullets |
|
|
Naturally ventilated, fully littered floor, non-leaking drinkers |
0.06 |
|
Fan ventilated, fully littered floor, non-leaking drinkers |
0.06 |
|
Manure removal twice a week by belt |
0.04 |
|
Turkeys |
|
|
Male |
0.45 |
|
Female |
0.23 |
|
Ducks |
0.11 |
Ammonia - poultry manure storage
| Manure storage | Kg NH3/tonne fresh manure |
|---|---|
|
Manure - belts |
2.38 |
|
Manure - deep pit |
2.38 |
|
Other |
1.74 |
Dust emission factors for poultry
| Poultry type | Kilograms dust per animal place per year |
|---|---|
| Layers, perchery or aviary | 0.1 |
| Layers, cage | 0.05 |
| Broilers | 0.1 |
| Turkeys (male) | 0.9 |
| Turkeys (female) | 0.5 |
| Ducks | 0.2 |
| Pullets | 0.1 |
Methane emission factors for poultry
Methane emission factor for poultry is 0.078 Kg of methane per animal place per year.