Effects of calcium-magnesium carbonate and calcium-magnesium hydroxide as supplemental sources of magnesium on ruminal microbiome.

ABSTRACT: Our objective was to evaluate the inclusion of calcium-magnesium carbonate [CaMg(CO₃)₂] and calcium-magnesium hydroxide [CaMg(OH)₄] in corn silage-based diets and their impact on ruminal microbiome. Our previous work showed a lower pH and molar proportion of butyrate from diets supplemented with [CaMg(CO₃)₂] compared to [CaMg(OH)₄]; therefore, we hypothesized that ruminal microbiome would be affected by Mg source. Four continuous culture fermenters were arranged in a 4 × 4 Latin square with the following treatments defined by the supplemental source of Mg: 1) Control (100% MgO, plus sodium sesquicarbonate as a buffer); 2) CO ₃ [100% CaMg(CO₃)₂]; 3) OH [100% CaMg(OH

SUBMITTER: Arce-Cordero JA 

PROVIDER: S-EPMC9335223 | biostudies-literature | 2022 Jul

REPOSITORIES: biostudies-literature