Cows 'potty-trained' in experiment to reduce greenhouse gas emissions

Calves taught to use toilet area with rewards and mild punishments, limiting ammonia releaseA herd of cows has been "potty-trained" in an experiment that scientists say could pave the way for more environmentally friendly farms.Waste from cattle farms often contaminates soil and waterways and contributes to greenhouse gas emissions and the acidification of soil. For this reason, toilet-training cattle has long been viewed as desirable, but several previous attempts have been unsuccessful. Continue reading...