Please NOTE! The calculator applies to ADULT cats only. For this reason, the AGE of your pet is fixed from 2 years onward.
Calculating metabolisable energy (ME) of products in their natural state require adjustment to the published ME assumption. The ME (metabolisable energy) in products of vegetable or animal origin, in their natural state, fresh or preserved, such as meat, offal, milk products, cooked starch sources; highly digestible special products such as milk substitutes or diets for enteral nutrition has to be predicted with the following equations.
- Dogs: kcal ME = (4 x % crude protein) + (9 x % crude fat) + (4 x % NFE)
- Cats: kcal ME = (4 x % crude protein) + (8.5 x % crude fat) + (4 x % NFE)