Annual Production Sale

Annual Bull Sale

Saturday, February 27th, 2027

2 p.m. MST

Sale will be Live on both DVAuction.com & CattleUSA.com

2026 Catalog
2026 Bull Videos

  • New Location to be announced soon

  • 12321 Mackey Rd, Buffalo, SD 57720

    605-375-2525

  • All cattle can be viewed at our place prior to the sale. Just give us a call to arrange a time and we’ll be glad to visit with you! 605-845-8800

  • Sale order will be available on sale day.

  • Coming Soon

  • In the event of bad weather or a major storm, please call ahead or check our Senn Red Angus Facebook page for further updates!

  • A complimentary lunch will be served at 12:30 pm MST.

  • Will be broadcasted live on DVAuction.com and CattleUSA.com.

  • All phones are cell numbers, unless otherwise specified.

    Senn Red Angus:

    Jerry Senn—605-845-8800

    Heather Senn—605-929-3714

    Jerry & Heather Senn (home)—605-375-2525

    Mason Dietterle—605-580-5878

    Auctioneer:

    Doug Dietterle—605-580-1362

Check out the catalog archives below!

2019 catalog
2018 Catalog
Three brown cows standing in a pen with hay on the ground and hay bales in the background, under a clear blue sky.
People on a farm, some writing on clipboards, observe cows in pens with snow on the ground, a sign welcoming to Senn Rega Annual Angus.
A man wearing a cowboy hat and glasses stands in front of an audience in an indoor venue, holding a clipboard and raising his hand as he addresses the crowd.
Group of people, including children and adults, wearing cowboy hats and jackets, standing in a cattle pen with hay, in a rural outdoor setting.
A woman standing inside a fenced pasture, smiling at a brown cow that is also inside the fence, with fall-colored grass and a cloudy sky in the background.
A small brown calf stands in an indoor livestock auction or sale event. Behind the calf, there are people seated at a desk with computers, and a sign reading "Thank you for coming" is hanging on the fence. The floor is covered with sawdust or wood shavings.
A diverse group of people attending an indoor event, seated in tiered rows, many taking notes or reading. The crowd includes men and women of various ages, some wearing hats and outdoor clothing.
Auctioneer at SENN RED ANGUS annual Bull Sale