Efecto del sulfato de sodio y sulfato de calcio en la detoxificación de los taninos presentes en la pulpa de café
Abstract48 white rats (Rattus norvegicus albinus) with an average body weight of 118 g.from both sexes were distributed in a complete randomized design to determine the effect of 3 levels of CaSO4 and 3 levels of Na2SO4 (0.1, 0.3 y 0.5 %) detoxificant agents of the tannins present in the coffee pulp, which was included in the diet at a fixed level of 20%. The experiment last for 28 days and weight gain, feed intake and feed conversion were evaluated. On the third week, during 3 consecutive days, samples of feces were collected to perform digestibility trials of dry matter, crude protein, energy and crude fiber. The results show that any of the sulfate sources at any of the levels used had any effect on the diets with coffee pulp regarding to weight gain, feed intake and fee conversion. The digestibility of the dry matter, crude protein and energy of the diets containing pulp was improved when the 0.1% levels of CaSO4 was used. The levels of 0.3 and 0.5% of the sulfate sources in the diet did not have any positive effect on the performance of the animals; on the contrary, in some cases they caused a decrement in their performance.
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