Feed originating from ethanol production waste contains antibiotics
Ethanol production requires the use of antibiotics to prevent bacteria outbreaks that lead to decreased yield. Pencillin and erythromycin are commonly used to ensure levels of bacteria are kept low.
However ‘distillers grains’ are a byproduct of ethanol production and are sold as livestock feed due to their high nutritional value despite the high amount of antibiotics they are exposed to. This leads to higher levels of antimicrobial resistance, especially in regard to one of the most widely used antibiotics: pencillin.
This is a critical issue as plans to cut antimicrobial resistance are brought to the forefront of the veterinary community through the One Health Iniatiative.
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