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The Action Programme for Nitrate Vulnerable Zones (Scotland) Regulations 2008

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Regulations 7, 14 and 15

SCHEDULE 1Calculation of nitrogen (“N”) in livestock manure

This Atodlen has no associated Nodyn Gweithredol

Table 1

Standards for the volume of excreta and nitrogen in manure produced by livestock

Daily ExcretaDaily N production
Pigs
(litres per animal/day)(grams per animal/day)
Weight
From 7 to 13 kg1.34.1
From 13 to 31 kg2.014.2
From 31 to 66 kg–
dry fed3.724
liquid fed7.124
From 66 kg and–
intended for slaughter–
dry fed5.133
liquid fed10.033
sow intended for breeding that has not yet had its first litter.5.638
sow (including litter up to 7 kg) fed on a diet supplemented with synthetic amino acids10.944
sow (including litter up to 7 kg) fed on a diet without synthetic amino acids10.949
Breeding boar from 66kg up to 150kg5.133
Breeding boar, from 150kg8.748
Daily ExcretaDaily N production
Cattle
(litres per animal/day)(grams per animal/day)
(a)

Castrated males.

Calf (all categories) up to 3 months7.023
Dairy cow
From 3 months up to 13 months2095
From 13 months up to first calf40167
After first calf and–
annual milk yield more than 9000 litres64315
annual milk yield between 6000 to 9000 litres53276
annual milk yield less than 6000 litres42211
Beef cows or steers(a)
From 3 up to 13 months2093
From 13 up to 25 months26137
Over 25 months–32137
females or steers for slaughter32137
females for breeding–
weighing 500 kg or less32167
weighing more than 500 kg45227
Bulls
non-breeding, 3 months and over26148
breeding
From 3 up to 25 months26137
Over 25 months26132
Daily ExcretaDaily N production
Sheep
(litres per animal/day)(grams per animal/day)
(a)

In the case of a ewe, this figure includes one or more suckled lambs until the lambs are aged six months.

From 6 months up to 9 months old1.85.5
From 9 months old to first lambing, first tupping or slaughter1.83.9
After lambing or tupping(a)
weight up to 60 kg3.321
weight over 60 kg5.033
Daily ExcretaDaily N production
Goats, deer and horses
(litres per animal/day)(grams per animal/day)
Goat3.541
Deer
Breeding5.042
Other3.533
Horse2458
Daily Excreta(a)Daily N production
Poultry
(litres per bird/day)(grams per bird/day)
(a)

This figure includes litter as appropriate.

Laying chicken
up to 17 weeks0.040.64
17 weeks and over (caged)0.121.13
17 weeks and over (free range)0.121.5
Broiler chicken (table)0.061.06
Broiler chicken (breeder)–
up to 25 weeks0.040.86
25 weeks and over0.122.02
Turkey
Male0.163.74
Female0.122.83
Duck0.102.48
Ostrich1.63.83

Table 2

Total nitrogen content in livestock manure

Total N
Manure type
kg/metres3 or kg/tonne
Solid manure
Cattle farmyard manure6.0
Pig farmyard manure7.0
Sheep farmyard manure7.0
Duck manure6.5
Poultry layer manure19
Poultry broiler manure [litter]30
Turkey manure [litter]30
Cattle slurry
cattle slurry, 2% dry matter1.6
cattle slurry, 6% dry matter2.6
cattle slurry, 10% dry matter3.6
Pig slurry
Pig slurry, 2% dry matter3.0
Pig slurry, 4% dry matter3.6
Pig slurry, 6% dry matter4.4
Separated slurry (some solids removed)
Strainer box cattle slurry1.5
Weeping-wall cattle slurry2.0
Mechanically separated cattle slurry3.0
Mechanically separated pig slurry3.6
Dirty water (not slurry)
Dirty water, less than 1% dry matter0.5

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