Data variables
'SSA Feeds' provides data on the following nutritional variables:
Variable | Variable name | Unit | Method |
DM | Dry matter | % Dried basis | 105ºC ,12 hours overnight |
OM | Organic matter | % of DM | 500ºC, 12 hours overnight |
ADF | Acid detergent fiber | % of DM | van Soest and Robertson (1985) |
NDF | Neutral detergent fiber | % of DM | van Soest and Robertson (1985) |
ADL | Acid detergent lignin | % of DM | van Soest and Robertson (1985) |
CP | Crude protein | % of DM | Kjeldhal, N × 6.25 |
IVDMD | In vitro dry matter digestibility | % of DM | Tilley and Terry (1963) |
ME | Metabolizable energy | Mcal/kg DM | Modified NRC (1996, 2000, 2001) |
NEm | Net energy for maintenance | Mcal/kg DM | NRC (1996, 2000, 2001) |
NEg | Net energy for gain | Mcal/kg DM | NRC (1996, 2000, 2001) |
NEl | Net energy for lactation | Mcal/kg DM | NRC (1996, 2000, 2001) |
Ca | Calcium | % of DM | AAS (Harris 1970) |
P | Phosphorus | % of DM | FIA (Harris 1970) |
Fe | Iron | ppm, DM | AAS (Harris 1970) |
K | Potassium | % of DM | AAS (Harris 1970) |
Mg | Magnesium | % of DM | AAS (Harris 1970) |
Mn | Manganese | ppm, DM | AAS (Harris 1970) |
Na | Sodium | ppm, DM | AAS (Harris 1970) |
Zn | Zinc | ppm, DM | AAS (Harris 1970) |