Does anyone know of a web page that shows the 
  classifications of the various wormers?  I've moved my gelding to a 
  different barn, and I need to know whether the wormer they'll be 
  administering in January is chemically different from the one he would 
  normally get.  The horse owners supply the wormer at this barn, so I'm 
  trying to decide what to buy.  I've looked 
  at descriptions of the wormers from one of the big supply houses, but that 
  info is not necessarily complete.
   
  Based on past history, Jack would be getting 
  Strongid next month.  The barn were he is now is telling the owners to 
  provide Safe-Guard or Panacur.  Are they essentially the same 
  thing?
   
  BTW, he got Ivermectin in November and the 
  Panacur Purge this month.
   
  Cindy