Keywords Streptomyces microflavus;Streptomyces antibioticus;Streptomyces griseus;swine manure;pathogenic bacteria;endocellular and extracelluar active substance;antibacterial effect;

• 细黄链霉菌;抗生链霉菌;灰色链霉菌;猪粪;病原菌;放线菌胞内外活性混合物质;抑菌作用;