I have has alot of trouble this year with scouring kids. My standbys of Sulfa and Spectam Scour Halt have not helped. I clean the Lamb Bar every 24 hrs with hot soapy water and bleach. I was looking at the variety fo calf vaccines that are available at Jeffers to help prevent scouring in calves form various bacteria. I wonder if I have anything to lose by trying this, although I am aware that it may be too late for these sick kids.