Anaerobic digestion of manure from laying hens fed diets containing different mineral sources and rosemary oil levels
Kelly Cristina Nunes Carvalho,
Cristiane de Almeida Neves Xavier,
Adriane de Andrade Silva
et al.
Abstract:This study evaluated the stability of anaerobic digestion and biogas production from the manure of laying hens fed diets containing different mineral sources and rosemary oil concentrations. Manure was obtained from 288 semi-heavy laying hens, 30 weeks old, and collected for 112 days. A completely randomized design was used in a 2×3 factorial scheme with repeated measures, considering two mineral sources (inorganic and organic) and three concentrations of rosemary oil (0, 100, and 200 mg kg-1). Twelve continuo… Show more
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