Researchers at the Centre for Ecological Sciences (CES), Indian Institute of Science (IISc), have found that grazing by livestock leads to lower carbon storage in soil compared to grazing by wild herbivores. 

The soils from the wild and livestock areas differed in one key parameter called carbon use efficiency (CUE), which determines the ability of microbes to store carbon in the soil. 

The soil in the livestock areas had 19% lower CUE. 

This difference appears to be due to the use of veterinary antibiotics such as tetracycline on livestock. 

When released into the soil through dung and urine, these antibiotics alter the microbial communities in the soil in ways that are detrimental to sequestering carbon.

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