Assertion: antibiotic | /r/ObjectUse | used in livestock feed
Facets:
Source sentences:
text: Composting has been shown to reduce the presence of various antibiotics by 20-99%, but one study found that chlortetracycline (CTC), an antibiotic used in livestock feed in China, degraded at different rates dependent on the animal it was fed to, and that manure composting was not sufficient to ensure the microbial degradation of CTC.