F1Table 1a
Regulations 9, 12 and 20 - Nitrogen (N) and phosphorus (P) excretion rates for grazing livestock
Livestock type | Nitrogen (N) produced per head per year (kg N/yr) | Phosphorus (P) produced per head per year (kg P/yr) |
|---|
Cattle |
Dairy cow | 91 | 17 |
Dairy heifer (over 2 years) | 54 | 10 |
Dairy heifer (1-2 years) | 47 | 7.9 |
Beef suckler cow (over 2 years) | 54 | 10 |
Breeding bull | 54 | 10 |
Cattle (over 2 years) | 54 | 10 |
Cattle (1-2 years) | 47 | 7.9 |
Bull beef (0-13 months) | 30 | 7.5 |
Bull beef (6-13 months) | 23 | 5.8 |
Calf (0-1 year) | 19 | 4.7 |
Calf (0-6 months) | 7.0 | 1.7 |
Calf (6-12 months) | 12 | 3.0 |
Sheep |
Ewe (over 1 year) | 9.0 | 1.0 |
Ram (over 1 year) | 9.0 | 1.0 |
Lamb (0-6 months) | 1.2 | 0.3 |
Lamb (6-12 months) | 3.2 | 0.3 |
Lamb (0-1 year) | 4.4 | 0.6 |
Deer |
Deer (red) 6 months - 2 years | 12 | 2.0 |
Deer (red) over 2 years | 15 | 4.0 |
Deer (fallow) 6 months - 2 years | 7.0 | 1.0 |
Deer (fallow) over 2 years | 13 | 2.0 |
Deer (sika) 6 months - 2 years | 6.0 | 1.0 |
Deer (sika) over 2 years | 10 | 2.0 |
Horses |
Horse (over 3 yrs) | 50 | 9.0 |
Horse (2-3 yrs) | 44 | 8.0 |
Horse (1-2 yrs) | 36 | 6.0 |
Horse (under 1 yrs) | 25 | 3.0 |
Donkey / small pony | 30 | 5.0 |
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