Composite microbial feed additive for beasts and birds and production method

The invention relates to a composite microorganism livestock and poultry feed additive and manufacturing method thereof, belonging to the feed technology field. The invention discloses a composite microorganism livestock and poultry feed additive, which is characterized in comprising composite bacterium powder in 1.0-15% of total mass protion; wherein, the composite bacterium powder is compatible of any two or more of the lactobacillus, yeast, pediococcus acidilactici and fecal streptococcus. the strains in the microorganism feed additive of the invention can symbiose to each other, which is favorable to performance their biological activities, and can keep enough shelf life and live bacteria quantity. The invention also achieves the advantages of controlled production process, lower cost and stable product quality.