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Our Facilities

The Range Cow Research Center is used for cattle nutrition and reproduction research studies. It is also used in cooperative studies with researchers in Veterinary Medicine and Entomology.


It consists of two ranges. Most of the acreage surrounds Lake Carl Blackwell, which is west of Stillwater, Oklahoma.

Group of people

North Cow Research Range

Feeding cattle with tractor

  • Our Facilities

    The North Cow Research Range consists of approximately 2,700 acres.


    Native pasture and hay meadow constitutes about 2,500 acres with the remainder in Bermuda grass.


    There are two working facilities with scales in the area.


    In addition, there is a calving barn and storage buildings in the headquarters area.

  • Our Herd

    The unit supports approximately 240 cows and is the location of our beef cattle breeding research program.

  • Contact Herd Manager

    Have questions? Contact the herd manager for the North Cow Research Range.


South Cow Research Range


  • Our Land

    The South Cow Research Range consists of approximately 3,200 acres of native range (15% wooded) and 250 acres of bermudagrass. The range area is divided mostly into 100 to 160-acre pastures.


    Pastures are in four main tracts:

    • 640 acres
    • About 600 acres north of the lake
    • 380 acres in a single pasture
    • Additional land with the “headquarters” area
  • Our Herd

    The herd is comprised of approximately 300 beef cows (Hereford and Hereford-Angus), 10 bulls, and 65 replacement heifers. About 90 cows calve in the fall and the remainder in the spring.


    Cattle inventories of research leaders are combined and selected for projects according to most appropriate breed, age, weight, condition, etc.

  • Our Headquarters

    Headquarters facilities consist of a:

    • 60 X 72 ft metal building containing electronic cattle scales
    • Squeeze chute
    • Restrooms
    • Tool and equipment storage
    • Office
    • Excellent and extensive cattle holding and sorting pens
      •  Pens also permit limited cattle feeding experiments.
    •  Two individual feeding barns
      • Each barn has feed storage areas and 42 individual covered stalls.

    Portable cattle scales and portable sorting facilities are located about 1.5 miles from the headquarters to permit limited weighing and sorting without driving cattle to the main facility.

  • Highway 86 Area

    The Highway 86 area has an individual feeding barn identical to those at the headquarters, covered cattle scales and working facilities and limited, but adequate, permanent cattle sorting facilities. The 380-acre pasture located just west of this area is used only for temporary grazing of cattle. Section 32 has one permanent holding pen for small groups of cattle.


    Weighing is conducted with portable scales and corral equipment. This area is used primarily for less intensive studies because of its lack of facilities.

  • Contact Herd Manager

    Have questions? Contact the herd manager for the North Cow Research Range.



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