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Feedipedia
Animal feed resources information system
Feedipedia
Feedipedia
Glossary
| Name | Definition |
|---|---|
| Magnesium |
A chemical element (symbol Mg). Magnesium is usually a macro mineral in biological materials. |
| Manganese |
A chemical element (symbol Mn). Usually a trace elements in biological materials. |
| ME ruminants |
Metabolizable energy for ruminants. Difference between the gross energy in the feed and the gross energy in the faeces, urines and gasses, not corrected for N retention. |
| ME ruminants (FAO, 1982) |
Metabolizable energy predicted by the equations proposed by FAO in the book Tropical feeds. These values are provided until their replacement by newer ones. |
| ME ruminants (gas production) |
Metabolizable energy for ruminants estimated from the volume of gas produced after 24 hour of incubation (GP, ml/200mg DM) and the proportion of crude protein (CP, % DM) as established by Menke and Steingass (1988): ME (MJ/kg DM) = 2.2 + 0.1357 GP + 0.0057 CP + 0.0002859 CP2 |
| MEn growing pig |
Metabolizable energy, N-corrected, for growing pigs. Difference between the gross energy in the feed and the gross energy in the faeces, urines and gasses, corrected for a N balance of 0. |
| MEn rabbit |
Apparent metabolizable energy for rabbits, corrected for a nitrogen balance of 0. This value is obtained by equation from the digestible energy (DE) and digestible crude protein (DCP): MEn (MJ/kg DM) = 0.995 DE (MJ/kg DM) -0.048 DCP (% DM) (Perez et al., 1998) |
| Methionine |
A sulphur amino acid. Usually abbreviated as MET. |