<http://schema.org/url>
<http://www.agweb.com/blog/Dairy_Today_Healthline_295/A_Calf_Scours_Prevention_and_Treatment_Checklist__21070/>
<http://www.agweb.com/livestock/dairy/blog/dairy_today_healthline_295/a_calf_scours_prevention_and_treatment_checklist__21070/>