Essential Oils in Nellore Beef Cattle: In Vivo Impact on Rumen Emissions
Gabriela Benetel,
Gisele Maria Fagundes,
Paulo de Méo-Filho
et al.
Abstract:Essential oils (EOs), as rumen additives, decreased CH4 emissions in in vitro trials but results from in vivo studies are still limited. We investigated the effects of Origanum vulgare (OEO) and Thymus vulgaris (TEO) EOs on in vivo methane emissions from Nellore beef cattle. Six adult rumen-cannulated Nellore cattle were used in a double 3 × 3 Latin square design. Treatments consisted of three diets containing either 3 mL OEO per kg of concentrate, 3 mL TEO/kg of concentrate, or no EO addition. The experimenta… Show more
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