Work out animal nutrition requirement instantly with clear inputs, formula shown and shareable results.
Applies the allometric resting energy requirement of 70 times body weight to the power 0.75, then multiplies by the life stage factor.
Energy requirement
RER (kcal/day) = 70 x weight(kg)^0.75; MER = RER x life stage factor
Educational estimate only. Not a substitute for professional clinical judgement, and must not be used to make treatment or dosing decisions.
Metabolic rate scales with body surface area rather than mass, which the three-quarter power law approximates across species.
Feeding at RER, a factor of 1.0, based on ideal rather than current body weight.