Pig Nutritional Requirements for Calcium, Phosphorus and Vitamin D – Dr. Pedro Urriola, Department of Animal Science, University of Minnesota, from the 2013 Allen D. Leman Swine Conference, September 14-17, 2013, St. Paul, Minnesota, USA. Dr. Pedro Urriola highlights the…
COVID-19 <2013 class="post-title"> Immunity to Covid-19 could be lost in months, UK study suggests 2013>