Wild Horse and Burro Program Terms and Abbreviations

Terms and abbreviations you might see on this site, Bureau of Land Management pages, and other advocacy pages, and what they mean:

WHB = Wild Horse and Burro

BLM = Bureau of Land Management

HMA = Herd Management Area

HA = Herd Area

SAFE Act = Save Our Forgotten Equines Act

Complex = an area consisting of 2 or more herd areas that the BLM has combined into one herd area in an effort to reduce the number of wild horses or burros allowed

PZP = Porcine Zona Pellucida used as fertility control in wild horses and burros 

Grazing Allotment = an area leased by a rancher to graze livestock (cattle and/or sheep)

CAWP = Comprehensive Animal Welfare Program

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AIP = Adoption Incentive Program (not currently a program being used by BLM)

SA = Sales Authority

DOI = Department of the Interior