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About this app

Set EPD ranges, breeder handle, and/or location to search for bulls offered via auction or private treaty. Save preferred bulls to the BullPEN.

BullPEN is as easy as:


BullPEN helps beef cattle producers find bulls for sale (via auction or private treaty) that fit their beef cattle operation needs. Using Expected Progeny Differences (EPDs), beef cattle producers can search for a bull whose genetic pedigree fits into multiple user-selected EPD ranges. Moreover, ranchers and cow-calf producers can search for bulls from a specific breeder by using the BullPEN handle (@breeder_name) feature or search by part of a bull or sire name. Sale and breeder information on each bull is available, along with EPDs and other traits.

Add bulls to the BullPEN (a list of preferred bulls) to keep their information at your fingertips during the bull sale. Start your search with BullPEN and head to the sale barn or livestock yard prepared.

Bulls from nine cattle breeds in the USA are supported (Angus, Hereford, Red Angus, Simmental/SimAngus™, Charolais, Shorthorn, Brangus®, Gelbvieh / Balancer®, and Limousin / Lim-Flex®).

Want to see your bulls on BullPEN? Head to www.getpenned.com to find out how or visit the Help screen of the BullPEN app.
Updated on
Jan 28, 2023

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
App activity
This app may collect these data types
App info and performance and Device or other IDs
Data isn’t encrypted
Data can’t be deleted

What's new

-Four breeds added: Shorthorn, Brangus®, Gelbvieh / Balancer®, and Limousin / Lim-Flex® breeds are now supported by BullPEN!
-Breeding program and bull feeding and development information from seedstock producers added to all bulls.
-Hair Shed EPD added to the Angus Bull Info
-Users can now search Angus Maternal Weight and Maternal Height
-Sliders have been updated to use dynamic ranges
-Check for updates feature notifies you when an update is available