AKC Herding Titles
HT - Herding Tested:  For a title, a dog must qualify twice under 2 different judges.  Dog may qualify twice in one day at the same event provided he/she is judged by different judges.
PT - Pre-Trial Tested:  The American Kennel Club will issue a Pre-Trial Tested Certificate to an eligible dog, and will permit the use of the letters PT after the name of a dog that has been certified by two different judges to have qualified by passing two licensed or member club Pre-Trial tests.  The dog may qualify twice in one day at the same event provided he/she is judged by different judges.
HS - Herding Started:  Three qualifying scores in the Started classes by 3 different judges at 3 different trials.
HSAdsc - Herding Started Course A (ducks, sheep, cattle):  3 qualifying scores in the started Course A classes using Ducks (HSAd), Sheep (HSAs) or cattle (HSAc) from 3 different judges at 3 different trials.
HSBdsc -  Herding Started Course B (ducks, sheep, cattle):  Three qualifying scores in the Started Course B classes using Ducks (HSBd), Sheep (HSBs)  or Cattle (HSBc) from 3 different judges at 3 different trials.
HI - Herding Intermediate:  Three qualifying scores in the Intermediate classes from 3 different judges at 3 different trials.
HIAdsc - Herding Intermediate Course A (ducks, sheep, cattle):  3 qualifying scores in the Intermediate Course A classes using Ducks (HIAd), Sheep (HIAs) or Cattle (HIAc) from 3 different judges at 3 different trials.
HIBdsc - Herding Intermediate Course B (ducks, sheep, cattle):  3 qualifying scores in the Intermediate Course B classes using Ducks (HIBd), Sheep (HIBs) or Cattle (HIBc) from 3 different judges at 3 different trials.
HICs -  Herding Intermediate Course C (sheep):  3 qualifying scores in the Intermediate Course C classes using Sheep (HICs) from 3 different judges at 3 different trials.
HX - Herding Excellent:  3 qualifying scores in the Advanced classes from 3 different judges at 3 different trials.
HXAdsc - Herding Advanced Course A (ducks, sheep, cattle):  3 qualifying scores in the Advanced Course A classes using Ducks (HXAd), Sheep (HXAs), or Cattle (HXAc) from 3 different judges at 3 different trials
HXBdsc - Herding Advanced Course B (ducks, sheep, cattle):  3 qualifying scores in the Advanced Course B classes using Ducks (HXBd), Sheep (HXBs) or Cattle (HXBc) from 3 different judges at 3 different trials.
HXCs - Herding Advanced Course C (sheep):  3 qualifying scores in the Advanced Course C classes using Sheep (HIAs) from 3 different judges at 3 different trials.