Guinea grass, aerial part, fresh
Main analysis | Unit | Avg | SD | Min | Max | Nb | |
Dry matter | % as fed | 22.7 | 7.4 | 10.2 | 47.4 | 1835 | |
Crude protein | % DM | 11.2 | 4.3 | 3.2 | 21.4 | 2396 | |
Crude fibre | % DM | 37.3 | 3.7 | 27.7 | 46.9 | 2218 | |
NDF | % DM | 72.3 | 6.5 | 54.1 | 80.2 | 245 | * |
ADF | % DM | 43.4 | 5.4 | 28.2 | 49.8 | 178 | * |
Lignin | % DM | 6.1 | 1.0 | 3.3 | 7.6 | 177 | * |
Ether extract | % DM | 1.8 | 0.6 | 0.8 | 3.8 | 2077 | |
Ash | % DM | 10.5 | 2.3 | 6.1 | 18.2 | 2218 | |
Gross energy | MJ/kg DM | 18.1 | 0.5 | 16.9 | 19.2 | 21 | * |
Minerals | Unit | Avg | SD | Min | Max | Nb | |
Calcium | g/kg DM | 4.9 | 1.7 | 1.9 | 17.5 | 2147 | |
Phosphorus | g/kg DM | 2.4 | 0.9 | 0.8 | 4.7 | 2156 | |
Potassium | g/kg DM | 23.1 | 9.3 | 5.7 | 50.3 | 2054 | |
Sodium | g/kg DM | 2.7 | 2.2 | 0.3 | 8.0 | 86 | |
Magnesium | g/kg DM | 3.4 | 1.3 | 1.4 | 7.2 | 2040 | |
Manganese | mg/kg DM | 127 | 57 | 49 | 269 | 122 | |
Zinc | mg/kg DM | 30 | 8 | 18 | 52 | 123 | |
Copper | mg/kg DM | 6 | 2 | 3 | 10 | 123 | |
Iron | mg/kg DM | 279 | 232 | 132 | 683 | 5 | |
Amino acids | Unit | Avg | SD | Min | Max | Nb | |
Arginine | % protein | 4.9 | 1 | ||||
Cystine | % protein | 1.4 | 1 | ||||
Histidine | % protein | 1.8 | 1 | ||||
Isoleucine | % protein | 4.3 | 1 | ||||
Leucine | % protein | 8.4 | 1 | ||||
Lysine | % protein | 5.6 | 1 | ||||
Methionine | % protein | 2.1 | 1 | ||||
Phenylalanine | % protein | 5.3 | 1 | ||||
Threonine | % protein | 4.7 | 1 | ||||
Tryptophan | % protein | 2.2 | 1 | ||||
Valine | % protein | 6.6 | 1 | ||||
Secondary metabolites | Unit | Avg | SD | Min | Max | Nb | |
Tannins (eq. tannic acid) | g/kg DM | 5.6 | 1.0 | 10.1 | 2 | ||
Tannins, condensed (eq. catechin) | g/kg DM | 0.0 | 1 | ||||
Ruminant nutritive values | Unit | Avg | SD | Min | Max | Nb | |
OM digestibility, Ruminant | % | 59.2 | 6.5 | 52.6 | 79.2 | 50 | * |
OM digestibility, ruminants (gas production) | % | 65 | 1 | ||||
Energy digestibility, ruminants | % | 55.3 | 51.5 | 59.1 | 2 | ||
DE ruminants | MJ/kg DM | 10.0 | * | ||||
ME ruminants | MJ/kg DM | 8.0 | * | ||||
ME ruminants (gas production) | MJ/kg DM | 7.9 | 0.7 | 7.1 | 8.9 | 5 | |
Nitrogen digestibility, ruminants | % | 61.8 | 11.8 | 31.5 | 81.9 | 61 | |
a (N) | % | 25.3 | 16.7 | 1.2 | 40.3 | 6 | |
b (N) | % | 43.0 | 18.6 | 6.8 | 55.0 | 6 | |
c (N) | h-1 | 0.038 | 0.021 | 0.007 | 0.058 | 6 | |
Nitrogen degradability (effective, k=4%) | % | 46 | * | ||||
Nitrogen degradability (effective, k=6%) | % | 42 | 15 | 2 | 65 | 16 | * |
The asterisk * indicates that the average value was obtained by an equation.
References
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Last updated on 24/10/2012 00:43:10