Consigliere, Riccardo, Annamaria Costa, and Domenico Meloni. “Investigation on the Effects of Vermiculite-Based Feed Additives on Ammonia and Nitrate Emission from Pig Slurry and Pig Growth Performances”. Veterinary Science Development 6, no. 1 (August 18, 2016). Accessed April 26, 2024. https://www.pagepress.org/journals/vsd/article/view/6292.