21 22 The objective of this study was to identify a microbial marker for pig manure contamination. 23 We quantified the persistence of four dominant bacterial groups from the pig intestinal tract 24 throughout manure handling in ten livestock operations (including aerobic digestion) using 25 molecular typing. The partial 16S rRNA genes of Bacteroides-Prevotella, Eubacterium26 Clostridiaceae, Ba...
