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An experiment was carried out in order to evaluate the alpaca's nutritional behavior, by determining the digestibility of a diet under different nutritional requirements according to the literature estimates. Alfalfa hay and maize straw was utilized in four treatments; a control treatment supplying 100% of the energetic and protein maintenance requirements; the second treatment included 85% of the protein requirement for maintenance; the third one, supplying 85% of the energy requirement for maintenance, and the fourth treatment, covering a 85% of the energy and protein requirements. A second trial was carried out to evaluate the digestibility of different quality feeds under 100% of maintenance requirements. The trial had two treatments, one of which corresponded to the control treatment of the first trial with alfalfa hay and maize straw, and the second one with ground raspberry shoots and maize straw. Additionally, water intake was determined to study its relationship with feed intake.

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