AVALIAÇÃO DO CONSUMO E DIGESTIBILIDADE APARENTE DE RAÇÕES COM DIFERENTES NÍVEIS DE FARELO DE COCO
2009
Zilah Cláudia Alves da Costa Braga | Alexandre Paula Braga | Adriano Henrique do Nascimento Rangel | Emerson Moreira de Aguiar | Dorgival Morais de Lima Júnior
The study was care out to evaluate the consumption and digestibility of rations with increasing levels of coconut meal by sheep. Eight sheep between six and ten months old installed in metabolism cages were use. The statistical design was a randomized blocks made by SISVAR 3.0 program. To calculate the nutrients consumption, the quantities supplied and the leftovers were weighed to form at the end of the period, a composite sample for laboratory analysis. There was significant difference (P<0.05) between treatment to consumption of DM (dry matter), OM (organic matter), CP (crude protein), EE (ether extract), NFC (non-fibrous carbohydrate), TCHO (Total Carbohydrates), ADF (acid detergent fiber), HEM (hemicelluloses), CEL (Cellulose), observing negative effect on consumption when included the by-product. There was no significant effect (P> 0.05%) between treatments to digestibility coefficients of DM, OM, energy, HEM, Cellular Content (CC), NFC and total digestible nutrients (TDN). Regarding the coefficient of digestibility of the ether extract (EE), as the by-product was included in the diet, increased the digestibility of this parameter. The digestibility of ADF and NDF decreased as it did the inclusion of the by-product of coconut. Thus, the use of byproduct over 6% of complete feed based on corn and soybeans meal is not recommended.
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