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Consumo, digestibilidade, balanço de nitrogênio e composição bromatológica da torta de murumuru (Astrocaryum murumuru var. murumuru Mart.), na alimentação de ruminantes
(Universidade Federal do Pará, 2012-02-10) MENEZES, Bruno Peres de; SILVA, André Guimarães Maciel e; http://lattes.cnpq.br/8940750096354420; http://lattes.cnpq.br/9647377426235964; ANDRADE, Stefano Juliano Tavares de; LOURENÇO JÚNIOR, José de Brito; http://lattes.cnpq.br/2919433679918544
We assessed the pie murumuru (Astrocaryum murumuru var. murumuru, Mart.), from processing kernels after oil extraction by the cosmetic industry, the effects of the substitution levels of 0%, 10%, 20%, 40% and 60% in the basic diet of Mombaça grass (Panicum maximum cv. Mombaça) on intake and digestibility of dry matter (CDDM), organic matter (CDOM), ether extract (CDEE), crude protein (CDCP), fiber neutral detergent (CDFND), fiber acid detergent (CDFDA), cellulose (CDCEL) and hemicellulose (CDHCEL) and nitrogen balance. Metabolism trial was conducted with 20 castrated sheep, live weight of 24 kg, distributed in five treatments and four replications in a completely randomized design. Adaptation period was 21 days with five days of data collection of diet and refusals, feces and urine. The CMS, CMO, EEC, CCP, FND, CFDA, CHCEL, CLIG showed a quadratic effect as a function of the substitution with pie in the diet. The CDDM, and CDCP CDMO showed no significant effects. The CDEE with optimal replacement level 56,64% and 88,62% maximum digestibility, CDFND with optimal replacement level 42,45% and 68,25% maximum digestibility, CDFDA with optimal replacement level of 31,63% and maximum digestibility of 66,80%, CDCEL with optimal replacement level 27,45% and 72,21% maximum digestibility showed a quadratic effect due to substitution murumuru pie. Nitrogen balance had no significant effect of inclusion in the grass of 0% to 60% of pie. It is concluded that the pie murumuru (Astrocaryum murumuru var.Murumuru Mart.), Has as its main limitation is the low dietary intake and digestibility, in addition to impossibility of its use as a concentrate exclusively on the diet of sheep showing up as an alternative food for up to 20% replacement in diets.