On Sun, 22 Jun 2008 10:24:46 -0400, you wrote: >1) the immunities developed soon after birth >2) the natural tendency the horse to have an allergy to cullicoides (I >believe that is what is shown in the number given by the allergy tests) >3) the geography/climate where the adult horse lives.
I suspect another factor may be the type/number/frequency of vaccinations given as well. Mic Mic (Michelle) Rushen ------------------------------------------------------------------------------------------------------- Solva Icelandic Horses and DeMeulenkamp Sweet Itch Rugs: www.solva-icelandics.co.uk -------------------------------------------------------------------------------------------------------
