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Ciência Rural

versão impressa ISSN 0103-8478versão On-line ISSN 1678-4596

Resumo

REGO, Fabíola Cristine de Almeida et al. Nutrient intake and apparent digestibility coefficient of lambs fed with coffee husk in replacement of oat hay. Cienc. Rural [online]. 2019, vol.49, n.1, e20180515.  Epub 11-Fev-2019. ISSN 0103-8478.  http://dx.doi.org/10.1590/0103-8478cr20180515.

This study aimed to evaluate the effects of replacing oat hay with coffee husk in the diet of lambs on the intake and apparent digestibility of dry matter (DM), organic matter (OM), crude protein (CP), ether extract (EE), non-fiber carbohydrate (NFC), neutral detergent fiber (NDF), and acid detergent fiber (ADF). The experimental design was 4×4 Latin square with four levels of replacement of oat hay with coffee husk (0, 7.5, 15, and 22.5%) with four individually housed Texel sheep. Intake and apparent digestibility coefficients were measured at four periods of 12 days. All orts and feces were collected, weighed, homogenized, and sampled. The use of coffee husk at up to 22.5% of the total DM in the diet of lambs improved the intake of nutrients. Except for NDF, no significant differences were observed for the apparent digestibility of other parameters (DM, OM, CP, EE, NFC, and the ADF). Coffee husk can be included at up to 22.5% of total dry matter in diets with 30% roughage and 70% concentrate, being a good alternative to reduce feed costs in lamb production.

Palavras-chave : byproduct; dry matter; fiber; protein; sheep.

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