The ME of SBM can be estimated from this equation: ME (kcal/kg) = 2778 - 66 (% crude fiber), assuming a dry matter content of 88%. In solvent-extracted meals, the level of lipid is generally low and its variation does not greatly affect metabolizable energy.
How do you calculate metabolizable energy in cattle feed?
The relationship between observed metabolizable energy (ME) and ME predicted from using the equation (ME = 0.9611 × DE −0.2999) reported by Galyean et al. (2016) for diets based on forage (red triangles) or concentrate grain (black circles), r2 = 0.9766. Data means are from the data used to generate equation 1.
What energy is metabolizable?
Metabolizable Energy (ME) is the net energy remaining after fecal and urinary energy loss, and represents the energy available for growth or reproduction and for supporting metabolic processes such as work (locomotion) and respiration (thermoregulation, maintenance metabolism, HIF).
How is metabolizable energy calculated in dog food?
1STEP 1: CALCULATE GE. GE (kcal) = (5.7 x % protein) + (9.4 x % fat) + [4.1 x (% NFE + % crude fibre)] ... 2STEP 2: CALCULATE ENERGY DIGESTIBILITY (%) Dogs: % Energy Digestibility = 91.2 – (1.43 x % crude fibre in DM) ... 3STEP 4: CALCULATE METABOLISABLE ENERGY. Dogs: kcal ME = kcal DE – (1.04 x % crude protein)
How do you calculate metabolizable energy from proximate analysis?
Formula for GE calculations, DE(digestive energy) = GE × percentage energy digestibility/100 and, subsequent calculation of ME(Metabolizable Energy) in dogs as ME = DE – (1.04× g protein) and in cats as ME = DE – (0.77× g protein).
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