Episode 95: Growth Promotants and the Environment Revisited

Past research has measured how long residues from growth promoters stay around in a feedlot environment. It showed that certain ones dissipated very quickly, while some could still be found on the pen floor for up to five months after they were last fed. In this episode, we will hear results from a follow-up study that looked at whether composting manure, stockpiling it, or incorporating it into the soil might help to break down these residues.   Relevant Links:    Growth Promotants And The Environment (article) Can We Replace Growth Promotants? (article) Exploring Growth Promotants Used In Feedlot Cattle (article) Body Condition (webpage)