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Revista Brasileira de Zootecnia

Print version ISSN 1516-3598On-line version ISSN 1806-9290


CAVALARI, Ana Paula de Melo et al. Evaluation of nutritive value of energy and protein feeds in adult dogs diets. R. Bras. Zootec. [online]. 2006, vol.35, n.5, pp.1985-1991. ISSN 1516-3598.

Two trials were conducted to evaluate the apparent digestibility of GE, DM and CP in energy and high protein feedstuffs for adult dogs. Four adult mongrel dogs (two males and two females) averaging of 13.1 ± 2.0 kg were used in both trials, to evaluate each feedstuff. The animals were fed the same amount of food per metabolic weight. The nutritive value of energy feedstuffs was evaluated in the trial 1. In the trial 2, the digestibility coefficients of protein feedstuffs were evaluated. The digestibility coefficients of GE in extruded corn (EC), gelatinized corn (GC), coconut oil, and soybean oil, in two levels of inclusion (5%-OS1 and 12%-OS2) and swine fat were respectively of 85.1, 84.4, 92.5, 92.1, 96.2, and 98.6%. The digestibility coefficients of DM and CP of EC and GC were, respectively, of 84.2 and 65.3 and 84.5 and 65.0%. The digestibility coefficients of extruded whole soybean, meat meal, extruded meat meal, poultry by-product meal, extruded poultry by-product meal, extruded fish meal, and extruded feather meal were, respectively, of 80.0, 73.3, 80.7, 87.6, 91.2, 91.1, and 79.8% for GE, of 80.0, 68.4, 87.8, 86.7, 88.1, 85.2, and 76.0 for DM and of 83.7, 74.7, 82.3, 88.0, 88.9, 91.9, and 82.3% for CP.

Keywords : crude energy; crude protein; digestibility; metabolism; nutrition.

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