Schering- Recommended for the use in healthy pregnant gilts and sows to aid in the prevention of colibacillosis caused by E. coli expressing pili types K88, K99, 987P and Type 1 and enterotoxemia caused by C. perfringens Type C. Administer a 2ml SQ or IM dose 6-7 weeks prior to farrowing followed by a second dose 304 weeks prior to farrowing. A single 2ml dose should be given 2-3 weeks prior to each subsequent farrowing. w/d 21 days