Evaluation of extruded roughage with different additives in sheep diet

The purpose was to evaluate the effect of extruded roughage Foragge® with different additives on intake, digestibility nutrients and nitrogen balance sheep. Twenty adults, non-pregnant ewes average weight 68 kg were used. treatments (essential oil, virginiamycin, unpurified inactive yeast, tannin purified yeast). design in randomized blocks. means contrasted by SNK test, fecal score tested Kruskal Wallis test (1952), at 5% significance. There no difference intake dry matter, crude protein, nitrogen, water, water relation neutral detergent fiber (NDF), acid (p > 0.05). As well as protein fiber, weight, retained ingested However, matter a function body metabolic urinary hemicellulose NDF, higher Foragge Factor® treatment < inclusion improved nutritional parameters, without causing disturbances.