N degradability ruminants (k=0.06)

Effective degradability of nitrogen in the rumen. ED (%) = a + ((b*c)/(k+c)). a (%): immediately degradable fraction; b (%): potentially degradable fraction; c (h-1): hourly degradation rate; k (h-1): hourly disappearance rate. Calculated with k=0.06 h-1.

Values

Feed Perimeter As fed SD Range On DM SD Range Unit Other SD Range Unit Count Count Count
Alfalfa protein concentrate - 25 %
Alfalfa, dehydrated, protein 16-18% dry matter - 60 %
Alfalfa, dehydrated, protein 17-19% dry matter - 60 %
Alfalfa, dehydrated, protein 19-22% dry matter - 60 %
Alfalfa, dehydrated, protein 22-25% dry matter - 60 % 1
Alfalfa, dehydrated, protein < 16% dry matter - 60 58-64 % 4
Alfalfa, dehydrated, protein > 25% dry matter - 60 %
Ammonium ferric citrate - 0 %
Ammonium molybdate tetrahydrate - 0 %
Apple pomace, dried - 43 % 1
Bakery byproduct - 76 %
Bananas, immature, dried - 66 % 1
Barley - 71 10 52-90 % 35
Barley distillers grains, dried - 48 %
Barley distillers grains, whisky production, fresh - 48 %
Barley rootlets, dried - 73 63-79 % 4
Beet pulp, dried - 52 8 34-65 % 18
Beet pulp, pressed - 60 %
Biscuit byproduct - 76 %
Black soldier fly larvae, fat < 20%, dried - 59 %
Black soldier fly larvae, fat > 20%, dried - 59 39-70 % 2
Blood meal - 27 14-43 % 3
Brewers grains, dried - 44 16 21-79 % 27
Brewers yeast, dried - 84 %
Buckwheat hulls - 60 %
Ca Al Fe phosphate - 0 %
Calcium carbonate - 0 %
Calcium chloride anhydrous - 0 %
Calcium chloride dihydrate - 0 %
Calcium iodate anhydrous - 0 %
Calcium iodate hexahydrate - 0 %
Calcium iodide - 0 %
Calcium magnesium phosphate - 0 %
Calcium selenite - 0 %
Calcium sulfate anhydrous - 0 %
Calcium sulfate dihydrate - 0 %
Camelina oil meal, oil > 5% - 69 %
Canola meal, oil < 5% - 60 13 30-75 % 10
Carob pod meal - 55 %
Cassava pulp, dried - 64 % 1
Cassava, starch 66-70% - 59 %
Cassava, starch 70-74% - 59 %
Cereal offal, crude fibre 5-14% - 75 %
Cereal offal, crude fibre > 14% - 75 %
Chickpea, kabuli type - 79 16 57-95 % 5
Chicory pulp, dehydrated - 52 8 34-65 % 18
Citrus pulp, dried - 66 % 1
Citrus pulp, fresh - 66 %
Cobalt carbonate FG - 0 %
Cobalt glucoheptonate - 0 %
Cobalt oxide FG - 0 %
Cobalt selenite - 0 %
Cobalt sulfate heptahydrate - 0 %
Cocoa hulls - 52 %
Cocoa meal, oil < 5% - 80 %
Cod liver oil - 0 %
Common bean - 74 % 1
Common vetch - 70 54-86 % 4
Copper acetate - 0 %
Copper carbonate - 0 %
Copper chloride dihydrate - 0 %
Copper chloride tribasic - 0 %
Copper citrate - 0 %
Copper lysine - 0 %
Copper methionine - 0 %
Copper oxide - 0 %
Copper proteinate - 0 %
Copper sulfate - 0 %
Copra meal, oil 5-20% - 50 13 23-66 % 15
Copra meal, oil < 5% - 50 30-70 % 4
Copra oil - 0 %
Corn gluten feed - 74 4 62-74 % 7
Corn gluten meal - 27 8 8-36 % 10
Cottonseed hulls - 16 13-20 % 2
Cottonseed meal, oil 5-20%, crude fibre 15-20% - 60 %
Cottonseed meal, oil 5-20%, crude fibre < 15% - 60 %
Cottonseed meal, oil < 5%, crude fibre 15-20% - 60 13 30-79 % 22
Cottonseed meal, oil < 5%, crude fibre < 15% - 60 58-73 % 4
Cottonseed, whole - 71 %
Cottonseed, whole, extruded - 50 %
Cowpea seed - 86 %
Diammonium phosphate - 0 %
Dicalcium phosphate anhydrous - 0 %
Dicalcium phosphate dihydrate - 0 %
Diiodosalicylic acid - 0 %
Disodium phosphate anhydrous - 0 %
Disodium phosphate hydrate - 0 %
DL-methionine - 0 %
Dolomite limestone - 0 %
Ethylenediamine dihydroiodide - 0 %
Faba bean, coloured flowers - 82 8 73-93 % 8
Faba bean, coloured flowers, extruded - 65 %
Faba bean, white flowers - 82 %
Feather meal - 34 5 22-39 % 6
Ferric chloride - 0 %
Ferric citrate - 0 %
Ferric phosphate - 0 %
Ferric polyphosphate - 0 %
Ferric pyrophosphate - 0 %
Ferric sodium pyrophosphate - 0 %
Ferrous carbonate - 0 %
Ferrous chloride - 0 %
Ferrous sulfate monohydrate - 0 %
Ferrous sulphate heptahydrate - 0 %
Fish meal, protein 62% - 51 8 31-55 % 10
Fish meal, protein 65% - 51 8 31-54 % 10
Fish meal, protein 70% - 51 8 31-57 % 8
Fish oil, anchovy - 0 %
Fish oil, capelin - 0 %
Fish oil, herring - 0 %
Fish oil, menhaden - 0 %
Fish oil, rockfish - 0 %
Fish oil, salmon - 0 %
Fish oil, sardine - 0 %
Fish solubles, condensed, defatted - 51 %
Fish solubles, condensed, fat - 51 %
Fodder beet, raw - 52 %
Grape pomace, dried - 21 9 9-32 % 7
Grape pulp, dried - 21 %
Grape pulp, dried - 22 %
Grape seeds - 47 %
Grapeseed oil meal - 48 % 1
Grass, dehydrated - 60 %
Groundnut meal, oil 5-20% - 67 %
Groundnut meal, oil < 5%, crude fibre < 9% - 67 %
Groundnut meal, oil < 5%, crude fibre > 9% - 67 %
Jatropha oil meal, oil < 5%, dehulled, detoxified - 40 %
L-lysine HCl - 0 %
L-threonine - 0 %
L-tryptophan - 0 %
L-valine - 0 %
Lard - 0 %
Lentils - 86 % 1
Limestone - 0 %
Linseed meal, oil < 5% - 55 % 1
Linseed meal, oil > 5% - 55 9 50-74 % 8
Linseed, whole - 78 70-84 % 2
Linseed, whole, extruded - 50 %
Liquid potato feed - 65 % 1
Lupin, blue - 85 8 69-93 % 7
Lupin, white - 82 13 61-95 % 17
Lupin, white, extruded - 75 68-84 % 4
Magnesium acetate - 0 %
Magnesium carbonate RG - 0 %
Magnesium citrate - 0 %
Magnesium hydroxide - 0 %
Magnesium lactate - 0 %
Magnesium oxide - 0 %
Magnesium oxide, granular - 0 %
Magnesium oxide, powder - 0 %
Magnesium phosphate - 0 %
Magnesium sulfate heptahydrate RG - 0 %
Magnesium sulfate monohydrate RG - 0 %
Maize - 44 10 25-67 % 33
Maize bran - 33 %
Maize bran, starch production - 74 % 1
Maize distillers grains and solubles, oil < 6 %, dried - 56 11 40-70 % 5
Maize distillers grains with solubles, ethanol production, dried - 56 %
Maize flour byproduct, protein 8-18%, oil 14-30% - 72 %
Maize flour byproduct, protein 8-18%, oil 5-14% - 72 % 1
Maize flour byproduct, protein 8-18%, oil <5% - 72 % 1
Maize flour, crude fibre 2-10% - 44 10 25-67 % 33
Maize flour, crude fibre < 2% - 44 10 25-67 % 33
Maize germ meal, oil 5-20% - 72 % 1
Maize germ meal, oil < 5% - 51 % 1
Maize germs - 72 %
Maize starch - 45 %
Maize, extruded - 30 10 25-67 % 32
Maize, flaked - 33 %
Maize, high moisture - 74 %
Manganese carbonate - 0 %
Manganese chloride dihydrate - 0 %
Manganese chloride tetrahydrate - 0 %
Manganese methionine - 0 %
Manganese oxide MnO - 0 %
Manganese oxide MnO-Mn2O3 - 0 %
Manganese oxide MnO2 - 0 %
Manganese proteinate - 0 %
Manganese sulfate monohydrate - 0 %
Mealworm larvae, dried - 59 %
Methionine Hydroxy Analog MHA - 0 %
Milk powder, skimmed - 95 %
Milk powder, whole - 95 %
Millet, pearl - 40 %
Millet, proso - 81 %
Molasses, beet - 100 %
Molasses, sugarcane - 100 %
Molybdenum metal - 0 %
Molybdenum trioxide - 0 %
Monoammonium phosphate - 0 %
Monocalcium phosphate - 0 %
Monodicalcium phosphate - 0 %
Monosodium phosphate anhydrous - 0 %
Monosodium phosphate anhydrous FG - 0 %
Monosodium phosphate hydrate - 0 %
Monosodium phosphate hydrate FG - 0 %
Mustard bran - 69 %
Oat groats - 81 %
Oat hulls - 74 % 1
Oats - 81 5 77-92 % 9
Oats, flaked - 79 5 77-92 % 9
Olive oil cake, with pits, oil < 5% - 40 %
Olive oil cake, with pits, oil > 5% - 40 27-66 % 4
Olive pulp, oil < 10% - 48 %
Olive pulp, oil > 10% - 40 %
Palm kernel meal, oil 5-20% - 43 9 27-59 % 12
Palm kernel meal, oil < 5% - 43 30-57 % 3
Palm oil - 0 %
Pea - 86 10 60-98 % 20
Pea protein concentrate - 86 %
Pea, extruded - 68 65-71 % 3
Pentacalcium orthoperiodate - 0 %
Phosphate, defluorinated - 0 %
Potassium iodide - 0 %
Potato protein concentrate - 42 %
Potato pulp, dried - 65 %
Potato tuber, dried - 74 %
Poultry fat - 0 %
Processed animal proteins, pig - 54 %
Processed animal proteins, poultry, protein 45-60% - 51 46-53 % 3
Processed animal proteins, poultry, protein 60-70% - 51 %
Processed animal proteins, poultry, protein > 70% - 51 %
Rapeseed meal, oil 5-20% - 69 48-72 % 3
Rapeseed meal, oil < 5% - 69 %
Rapeseed oil - 0 %
Rapeseed, whole - 79 %
Rapeseed, whole, extruded - 52 %
Rice bran, oil < 5%, crude fibre 11-20% - 49 %
Rice bran, oil < 5%, crude fibre 5-11% - 49 %
Rice bran, oil < 5%, crude fibre > 20% - 49 %
Rice bran, oil > 5%, crude fibre 11-20% - 68 % 1
Rice bran, oil > 5%, crude fibre 5-11% - 68 %
Rice bran, oil > 5%, crude fibre > 20% - 68 % 1
Rice hulls - 49 %
Rice shorts, oil < 5%, crude fibre < 5% - 49 %
Rice shorts, oil > 5%, crude fibre < 5% - 68 %
Rice, brown - 71 % 1
Rice, paddy - 71 6 57-81 % 12
Rice, polished, broken - 71 % 1
Rye - 77 10 63-89 % 6
Seashells, ground - 0 %
Selenium methionine - 0 %
Selenium yeast - 0 %
Sesame meal, oil > 5% - 72 % 1
Sheanut oil meal, oil > 5% - 73 %
Shrimp meal - 35 %
Sodium bicarbonate - 0 %
Sodium chloride - 0 %
Sodium iodide - 0 %
Sodium molybdate dihydrate - 0 %
Sodium selenate - 0 %
Sodium selenite - 0 %
Sodium sulfate - 0 %
Sodium-calcium-magnesium phosphate - 0 %
Sorghum - 40 37-46 % 4
Soybean hulls - 55 6 48-66 % 7
Soybean meal, oil 5-20% - 63 47-83 % 2
Soybean meal, oil < 5%, 46% protein + oil - 63 8 56-77 % 5
Soybean meal, oil < 5%, 48% protein + oil - 63 10 45-93 % 39
Soybean meal, oil < 5%, 48% protein + oil, extruded - 59 10 45-93 % 39
Soybean meal, oil < 5%, 48% protein + oil, formaldehyde-treated - 28 %
Soybean meal, oil < 5%, 50% protein + oil - 63 % 1
Soybean molasses - 100 %
Soybean oil - 0 %
Soybean protein concentrate, protein 50-60% - 63 %
Soybean protein concentrate, protein 60-70% - 63 %
Soybean protein concentrate, protein 70-90% - 63 %
Soybean, whole, extruded - 48 39-54 % 2
Soybean, whole, flaked - 69 %
Soybean, whole, toasted - 62 % 1
Soybean, whole, toasted, flaked and expanded - 48 %
Sunflower hulls - 77 % 1
Sunflower meal, oil 5-20%, dehulled - 77 %
Sunflower meal, oil 5-20%, non dehulled - 77 %
Sunflower meal, oil < 5%, dehulled - 77 8 59-82 % 9
Sunflower meal, oil < 5%, non dehulled - 77 12 44-90 % 16
Sunflower oil - 0 %
Sunflower seed, whole - 89 29-90 % 2
Sweet potato, dried - 70 67-91 % 4
Tallow - 0 %
Tomato pulp, dehydrated - 66 %
Tricalcium phosphate - 0 %
Triticale - 78 %
Urea - 100 %
Vinasse, different origins - 100 %
Vinasse, from the production of glutamic acid - 100 %
Vinasse, from yeast production, protein 30 % - 100 %
Vinasse, from yeast production, protein 40% - 100 %
Vinasse, from yeast production, protein 48% - 100 %
Wheat bran - 75 6 65-87 % 17
Wheat bran from starch production - 75 %
Wheat bran, durum - 75 %
Wheat distillers grains, starch < 7%, dried - 71 13 48-86 % 13
Wheat distillers grains, starch > 7%, dried - 78 73-84 % 4
Wheat feed flour - 76 %
Wheat feed flour, durum - 76 %
Wheat flour "Gruau D", durum - 76 %
Wheat gluten - 29 %
Wheat gluten feed, type 20% starch - 76 %
Wheat gluten feed, type 30% starch - 76 %
Wheat middlings (average) - 76 8 68-87 % 6
Wheat middlings, durum - 76 %
Wheat middlings, starch 20-30% - 76 8 68-87 % 6
Wheat middlings, starch 30-40% - 76 8 68-87 % 5
Wheat middlings, starch < 20% - 76 8 68-87 % 5
Wheat middlings, starch > 40% - 76 8 68-87 % 5
Wheat straw - 51 % 1
Wheat, durum - 76 %
Wheat, soft - 76 8 58-86 % 13
Whey permeate - 95 %
Whey powder, acid - 95 %
Whey powder, sweet - 95 %
Whey, dehydrated, with added fat 4-15% - 95 %
Whey, dried, with added fat 15-30% - 95 %
Zinc carbonate FG - 0 %
Zinc carbonate RG - 0 %
Zinc chloride - 0 %
Zinc lysine - 0 %
Zinc metal - 0 %
Zinc methionine - 0 %
Zinc oxide - 0 %
Zinc sulfate heptahydrate RG - 0 %