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Seasonal Initial Concentrations And In-Field Decay Rates Of Escherichia Coli And Bovine Bacteroidetes In Beef Cattle Manure, Jiangwei Liu
Seasonal Initial Concentrations And In-Field Decay Rates Of Escherichia Coli And Bovine Bacteroidetes In Beef Cattle Manure, Jiangwei Liu
Masters Theses
Eight naturally deposited beef cow manure patties were sampled during summer (July 19 to August 9, 2010), fall (October 26 to November 19, 2010), winter (January 14 to February 18, 2011), and spring (May 5-27, 2011) to determine whether hypothesized seasonal differences existed in the initial concentrations and decay rates of Escherichia coli (E. coli) and bovine Bacteroidetes (BoBac). E. coli concentrations were estimated as culturable colony forming units (CFU) and with a quantitative polymerase chain reaction (qPCR) assay targeting the 23S ribosomal gene. BoBac was quantified with a qPCR assay targeting a 16S ribosomal gene sequence associated …