Antibiotics Leaving Feedlots (Completed)
Significance:
The rise of antibiotics resistant bacteria among farm animals and consumer meat/fish products is a major food safety concern.
Objective:
Identify and quantify five commonly used antibiotics administered to bovine in both soil and water runoff in a feedlot located in the Midwest, US
Hypothesis:
Pens without antibiotics administered would have significantly less antibiotics in the soil and water runoff.
Conclusions:
Antibiotics injected metabolized in the bovine and degraded efficiently on the feedlot surface.
Antibiotics fed daily over time did not metabolized as efficiently in the bovine or degrade on the feedlot
Funded: USDA-NIFA
Publication: In-Prep
Graduate Student: Brittany Trejo (MS Environmental Engineering; Graduated 2020)