FRACIONAMENTO DOS NUTRIENTES E DIGESTIBILIDADE DA ENERGIA EM ALIMENTOS ALTERNATIVOS COM EQÜINOS ADULTOS
2008
Alex Martins Varela de Arruda | Leonir Bueno Ribeiro | Elzania Sales Pereira | Julio Cezar Barreto
To the evaluate the different alternative foods identify like an agroindustrial by-products through on the total apparent digestibility and digestible nutrients determinations five Criole adult horses were housed in individual metabolism cages. From the reference diet (DR) contained peletized ration and tifton-85 hay, was made the substitution in 30% with weight basis (kg/kg) for each one of the agro industrial by-products, soybean residue (RS), soybean hulls (CS), wheat hulls (CT) and corn hulls (CM). In the digestibility obtained with each one of the alternative foods, the best values were obtained with CT (45.31% crude protein), with RS (78.86% ethereal extract), with CS (82.53% neutral detergent fiber), with CS (85.75% acid detergent fiber), CM (96.92 % non structural carbohydrate), CM (57.18 % total carbohydrate) e CS (57.67 % crude energy). In the determination of nutritional value with each one of the alternative foods, the best values were obtained with CT (7.53 % DCP), RS (5.11 % DEE), CS (53.04 % DNDF), CS (40.77 % DADF), CT (35.82 % DNSC), CM (48.12 % DTC), CM (2101 DEB kcal/kg). It was suggest that all alternative foods tested in this study can be used in the feeding horse, more over, the inclusion level and combination of these by-products in the diets to maximize feed efficiency and mantence of the digestive tract health will be depend on the readiness and regional cost.
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