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steps are the following:

1. GE determination: GE (kcal) = (5.7 × protein (g)) + (9.4 × fat (g)) + (4.1 × (Nfe (g)
+ fibre (g)));
2. % energy digestibility determination: 91.2 − (1.43 × percent crude fibre on dry matter
basis)
3. digestible energy determination: digestible energy − (1.04 × protein (g)).

CONCLUSIONS

Food intake is strictly related to the aforementioned parameters and it affects the intake of
each nutrient. For this reason, it has a strategic importance in correct nutrition. Periodical
weight controls supply indirect, but precise, information about requirements and efficacy of
the nutritional plan. For correct evaluation of nutritional requirements, veterinarian knowl-
edge is essential.

REFERENCES
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S22–S29
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Patil, A.R. and Bisby, T.M., 2001. Comparison of maintenance energy requirements of client-owned dogs and
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Zentek, J. and Meyer, H., 1992. Energy intake of adult Great Danes. Berliner und Muenchener Tieraerztliche
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