2025 Grazing Season Update

Sept 17th

Hello, CARMers!

All the steers have shipped and we’re winterizing wells. What a year, we learned a lot!

Review any of the previous updates here.


Let’s dive into the details

Here’s the CARM allocation:


Highlights of Happenings

Station Rainfall:

Rainfall_Total
Sep 0.39
YTD 9.92

Cumulative Rainfall (in)

Rainfall Distribution

Station Biomass:

CPER Viewer Maps

Threshold at 500 lbs/ac

TRM Biomass:

CARM Biomass (lbs/acre)

CARM Rep Longspur Zone Prairie Dog Zone Short Tall
HighHawk & Slayton 253 208 395 469
CenterCreek & PrairieRidge 270 256 391 295
OwlCreek & SaltTree 338 383 570 326

Livestock

Crude Protien:

via CPERViewer

Crude Protein ranges in percent (%) for CARM and TRM.
Reps Short Tall
CARM 1 - HighHawk & Slayton 6.81 - 6.94 7.05
CARM 2 - CenterCreek & PrairieRidge 6.64 - 6.84 7.03
CARM 3 - OwlCreek & SaltTree 6.69 - 6.97 6.93
TRM 6.59 - 7.16 6.62 - 7.13

Fecal Sampling Results:

Crude Protein (%) by Week of Year
Herd 24 25 26 27 28 29
CARM 11.54 10.96 10.51 9.81 9.68 9.51
TRM 11.68 10.85 10.16 9.71 9.97 10.19

701x: Where the steers were the last 7 days.

I apologize for all the extra data in these photos, turns out when I change their fences to holding pastures, it doesn’t allow me to filter back in time by previous fences. I’ve tried to do a quick draw on fences so you’re aware of TRMs that are adjacent to the CARM pastures.

CARM 1 - HighHawk & Slayton

This Week Last Week

CARM 2 - CenterCreek & PrairieRidge

This Week Last Week

CARM 3 - OwlCreek & SaltTree

This Week Last Week

Gains

Friendly reminder, the last window in the ADG graph is a period of only a little over 2 week difference.

Light 17 hd, Moderate 23 hd, Heavy 35 hd, Moderate-Sandy (19N) 25 hd

A rough review of the gains across these studies. We’ll be presenting CARM weights at the next CARM meeting.

Grazing Management:

CPER Viewer Longspur Habitat

Last Date Recorded

[1] "2025-09-15"
Last_Week This_Week Trigger_Status
CenterCreek 207 270 No change
HighHawk 188 253 No change
OwlCreek 300 338 No change

The table above is showing the remote-sensing values populated by CPERViewer.

Management.Decisions
2025-09-10 Sept 4th image and values. We gathered the station on Sept 6th.
2025-09-15 Sept 11th image and values. Here's where we ended for the season, all three CARM herds stocked at the "30/70" level.

Desktop Field View

Fall gather, 31W, Sept 6th

On behalf of the USDA-ARS Rangeland Resources and Systems Research Unit, we thank you all for your continued participation in this project.

Happy Trails,

CPER Crew