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Archivos de Zootecnia

versión On-line ISSN 1885-4494versión impresa ISSN 0004-0592


ARRUDA, A.M.V.  y  RIBEIRO, L.B.. Digestibility of agro industrial by-products in the horse feeding. Arch. zootec. [online]. 2009, vol.58, n.223, pp.451-454. ISSN 1885-4494.

It was aimed to determine the apparent digestibility for equines of nutrients in diets containing different agro industrial by-products. Five Creole horses were use, housing alloted in individual metabolism cages, following statistical latin square design (5x5). The treatments were constituted in five experimental diets, a reference diet (DR) and four diets tests containing 30% substitution level (kg/kg) for the following alternative foods: soybean residue (RS), soybean hulls (CS), wheat grain hulls (CT) and corn grain hulls (CM). The best means values for the parameters dry matter, crude protein, ether extract, mineral matter, neutral and acid detergent fiber was observed with the dietary treatments CM (68.05%), DR (61.38%), RS (64.50%), CS (60.33%), CM (84.32%) and CS (60.62%), respectively. In spite of the highest means values for digestibility of the fibrous fraction have been obtained with the CM and CS diets, these proportions result in the lowest means values to the digestibility for the protein fraction.

Palabras clave : Alternative foods; Equine nutrition; Fiber.

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