{
  "url": "https://openlegislation.uk/nutrient-action-programme-regulations-northern-ireland-2019/schedule-2",
  "json_url": "https://openlegislation.uk/nutrient-action-programme-regulations-northern-ireland-2019/schedule-2.json",
  "legislation": "nisr/2019/81",
  "legislation_title": "The Nutrient Action Programme Regulations (Northern Ireland) 2019",
  "legislation_url": "https://openlegislation.uk/nutrient-action-programme-regulations-northern-ireland-2019",
  "path": "schedule/2",
  "kind": "schedule",
  "number": "2",
  "heading": "Criteria for nutrient management",
  "text": "Table 1a\nRegulations 9 and 20 – Nitrogen (N) and phosphorus (P) excretion rates for grazing livestock\nLivestock type\nNitrogen (N) produced per head per year(kg N/yr)\nPhosphorus (P) produced per head per year(kg P/yr)\nCattle\nDairy cow\n100\n19\nDairy heifer (over 2 years)\n45\n8.3\nDairy heifer (1 – 2 years)\n39\n7.2\nBeef suckler cow (over 2 years)\n52\n9.6\nBull kept wholly or mainly for breeding\n52\n9.6\nCattle (over 2 years)\n45\n8.3\nCattle ( 1 – 2 years)\n39\n7.2\nBull beef (0 – 13 months)\n30\n7.5\nBull beef (6 – 13 months)\n23\n5.8\nCalf (0 – 1 year)\n19\n4.7\nCalf (0 – 6 months)\n7.0\n1.7\nCalf (6 – 12 months)\n12\n3.0\nSheep\nEwe (over 1 year)\n9.0\n1.0\nRam (over 1 year)\n9.0\n1.0\nLamb (0 – 6 months)\n1.2\n0.3\nLamb (6 – 12 months)\n3.2\n0.3\nLamb (0 – 1 year)\n4.4\n0.6\nDeer\nDeer (red) 6 months – 2 years\n12\n2.0\nDeer (red) over 2 years\n15\n4.0\nDeer (fallow) 6 months – 2 years\n7.0\n1.0\nDeer (fallow) over 2 years\n13\n2.0\nDeer (sika) 6 months – 2 years\n6.0\n1.0\nDeer (sika) over 2 years\n10\n2.0\nHorses\nHorse (over 3 years)\n50\n9.0\nHorse ( 2 – 3 years)\n44\n8.0\nHorse (1 - 2 years)\n36\n6.0\nHorse (under 1 year)\n25\n3.0\nDonkey or small pony\n30\n5.0\nGoats\nMilking goats\n15\n1.7\nNon milking goat\n9.0\n1.0\nKid (0 – 1 year)\n4.4\n0.6\nKid (6 – 12 months)\n3.2\n0.3\nKid (0 – 6 months)\n1.2\n0.3\nTable 1b\nRegulation 9 – Nitrogen and phosphorus (P) excretion rates for pigs\n1 Breeding sows includes served gilts, dry and lactating sows and piglets to weaning.\nLivestock type\nNitrogen (N) produced per head per year (kg N/yr)\nPhosphorus (P) produced per head per year (kg P/yr)\nAdults pigs\nBoar\n18\n4.2\nMaiden gilt\n11\n5.7\nBreeding sow1\n16\n8.7\nNitrogen (N) produced per pig\n(kg N)\nPhosphorus (P) produced per pig\n(kg P)\nPigs weaned at 3 – 4 weeks\nApproximate start weight (kg)\nApproximate sale or transfer weight (kg)\n6 – 8\n18 (7.5 weeks)\n0.09\n0.08\n6 – 8\n35 (11 weeks)\n0.38\n0.23\n6 – 8\n105 (23 weeks)\n2.38\n1.09\nGrowing and finishing pigs\nApproximate start weight (kg)\nApproximate sale or transfer weight (kg)\n18\n35\n0.29\n0.15\n18\n105\n2.30\n1.00\n35\n105\n2.00\n0.85\nTable 1c\nRegulation 9 – Nitrogen (N) and phosphorus (P) excretion rates for poultry\n1 Male and female turkeys\nLivestock type\nNitrogen (N) produced per 1000 birds per crop(kg N)\nPhosphorus (P) produced per 1000 birds per crop(kg P)\nBroilers – hot water heating\n33.8\n7.0\nConventional broilers\n40\n8.4\nFree range broilers\n44.9\n11.4\nTurkeys1 0 – 6 weeks\n229\n55\nTurkeys1 6 weeks – kill\n305\n73.8\nTurkeys1 0 – kill\n534\n129\nFattening ducks\n139\n65\nLivestock type\nNitrogen (N) produced per 1000 birds per crop(kg N)\nPhosphorus (P) produced per 1000 birds per crop(kg P)\nBroilers – hot water heating\n33.8\n7.0\nBroiler breeders 0 – 18 weeks\n2.9\n2.0\nBroiler breeders 18 – 60 weeks\n7.2\n3.9\nBroiler breeders 0 – 60 weeks\n5.9\n3.3\nPullets\n4.7\n1.7\nLayers\n12\n4.6\nFree range laying hens\n5.4\n2.2\nTable 2\nRegulations 3, 9 and 13 – Total nitrogen (N) and phosphorus (P) contents of fertilisers and proportion of total phosphorus to total nitrogen (all on a fresh weight basis)\n1 Figures in bold are the most common values.\n2 For calculation purposes assume 1m3 of slurry weighs 1 tonne\nLiquid / slurry manure types\nDry matter content (%)\nTotal Nitrogen (N) content by volume(kg N/m3)12\nTotal phosphorus (P) content by volume(kg P/m3)12\nProportion of total phosphorus to total nitrogen\nLiquids\nDirty water\n0.5\n0.5\n0.04\n0.08\nCattle slurries\nCattle slurry\n2\n1.6\n0.26\n0.16\n6\n2.6\n0.52\n0.20\n10\n3.6\n0.79\n0.22\nSeparated cattle slurries (liquid portion)\nStrainer box\n1.5\n1.5\n0.13\n0.09\nWeeping wall\n3\n2.0\n0.22\n0.11\nMechanical Separator\n4\n3.0\n0.52\n0.17\nPig slurries\nPig slurry\n2\n3.0\n0.35\n0.12\n4\n3.6\n0.65\n0.18\n6\n4.4\n0.96\n0.22\nSeparated pig slurry (liquid portion)\n3\n3.6\n0.48\n0.13\nSolid manure type\nDry matter content (%)\nTotal nitrogen content by weight(kg N/t)\nTotal phosphorus content by weight(kg P/t)\nProportion of total phosphorus to total nitrogen\nPoultry manures\nBroiler – hot water heating\n72\n33.8\n7.0\n0.21\nFree range broilers 0 – kill\n57\n26.4\n6.7\n0.25\nBroiler breeders 0 – 18 weeks\n55\n17.5\n11.8\n0.67\nBroiler breeders 18 – 60 weeks\n60\n20.7\n11.0\n0.53\nBroiler breeders 0 – 60 weeks\n59\n20.2\n11.2\n0.56\nConventional broiler\n66\n33\n7.0\n0.21\nTurkeys 0 – 6 weeks\n58\n24.8\n6.0\n0.24\nTurkeys 6 – kill\n58\n24.8\n6.0\n0.24\nTurkeys 0 – kill\n58\n24.8\n6.0\n0.24\nPullets\n72\n32.7\n12.0\n0.37\nLayer\n30\n16\n5.7\n0.36\nFree range laying hens\n46\n18.8\n7.5\n0.40\nDuck\n25\n6.5\n2.4\n0.37\nFarmyard manures\nCattle manures\n25\n6.0\n1.4\n0.23\nSheep manures\n25\n7.0\n1.4\n0.20\nGoat manures\n40\n9.5\n2.0\n0.21\nPig manures\n25\n7.0\n2.6\n0.37\nHorse manures\n25\n5.0\n2.2\n0.44\nMiscellaneous manures\nSpent mushroom compost\n35\n8.0\n1.5\n0.19\nSeparated cattle slurry (solid portion)\n20\n4.0\n0.87\n0.22\nSeparated pig slurry (solid portion)\n20\n5.0\n1.60\n0.32\nOther organic manures\nDry matter content, total nitrogen content and total phosphorus content to be declared in accordance with the Waste Regulations. Proportion of phosphorus to total nitrogen to be calculated from these analyses.\nChemical fertiliser\nDry matter content, total nitrogen content and total phosphorus content as certified by the producers. Proportion of total phosphorus to total nitrogen to be calculated from these analyses.\nTable 3\nRegulation 9 – Nitrogen availability in organic manures and chemical fertilisers\nFertiliser\nNitrogen availability (%)\nChemical\n100\nPig slurry\n50\nPoultry litter\n30\nFarmyard manure\n30\nCattle slurry\n40\nSpent mushroom compost\n20\nOther organic manures\n40\nTable 4\nRegulation 10 – Nitrogen application standards for grassland crops\n1 This table does not imply any departure from regulation 9(1) which prohibits the application to the agricultural area on a holding of livestock manure in amounts which exceeds 170 kg N/ha/yr, including that deposited by the animals themselves.\n2 The dairy cattle figures (dairy cows and heifer replacements) apply where it can be demonstrated that more than 50% of the livestock manure applied to the agricultural area, both by land application and by the animals themselves, arises from dairy cattle. In all other cases the figures for other livestock will apply.\nDairy Cattle2\nOther livestock2\nBalance of crop nitrogen requirement (kg N/ha/yr) (e.g. from chemical fertiliser or organic nitrogen supply other than livestock manure)1\n272\n222\nTable 5\nRegulation 11 – Maximum permitted nitrogen application and standard yields for cereal crops\n1 For all crops in the table, an additional 20 kg N/ha is permitted for every tonne that the expected yield exceeds the standard yield. Evidence of this must be demonstrated by overall farm crop yield in any of the previous three years.\nCrop type\nMaximum permitted nitrogen (kg N/ha)1\nStandard yield (t/ha)\nWinter Wheat\n220\n8.0\nSpring Wheat\n180\n7.0\nWinter Barley\n170\n7.0\nSpring Barley\n140\n5.0\nWinter Oats\n140\n6.0\nSpring Oats\n110\n5.0\nTable 6\nRegulation 20 – Livestock manure production figures\n1 The standard figures for slurry produced by animals do not include water for cleaning buildings.\nLivestock type\nVolume of excreta produced per animal per week (m3)1\nCattle\nDiary cow\n0.37\nSuckler cow\n0.23\nCattle (over 2 years)\n0.23\nCattle (1 – 2 years)\n0.18\nCalf (6 -12 months)\n0.09\nCalf (0 – 6 months)\n0.05\nSheep\nAdult ewe or ram\n0.03\nFattening lamb (6 – 12 months)\n0.01\nAdult pigs\nMaiden gilt or boar\n0.05\nDry or lactating sows and served gilts\n0.08\nPigs weaned at 3 – 4 weeks\nApproximate start weight (kg)\nApproximate sale or transfer weight (kg)\n6 – 8\n18 (7.5 weeks)\n0.01\n6 – 8\n35 (11 weeks)\n0.03\n6 – 8\n105 (23 weeks) (Meal fed)\n0.06\n6 – 8\n105 (23 weeks) (Liquid fed)\n0.08\nGrowing and finishing pigs\nApproximate stat weight (kg)\nApproximate sale or transfer weight (kg)\n18\n35\n0.02\n35\n105 (Meal fed)\n0.03\n35\n105 (Liquid fed)\n0.05\nPoultry\n1000 laying hens\n0.81",
  "extent": "N.I.",
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/nisr/2019/81/schedule/2",
    "retrieved_at": "2026-10-29T00:46:59.794926+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}