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Department of Animal Science
101 Animal Science Building
Oklahoma State University
Stillwater, OK 74078
Phone: 405.744.6062
Fax: 405.744.7390
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Lake Carl Blackwell Research Ranges

Range Cow Research Center, Bluestem Research Range

The North Cow Research Range consists of approximately 2,700 acres and is the location of our beef cattle breeding research program. Native pasture and hay meadow constitutes about 2,500 acres with the remainder in Bermuda grass. The unit supports approximately 240 cows. There are two working facilities with scales in the area. In addition, there is a calving barn and storage buildings in the headquarters area.

North Range

Contact Information

North Cow Research Range
1003 West Airport Road
Stillwater, OK 74075

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South Cow Research Range
13810 West 6th Street
Stillwater, OK 74074

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North Herd Manager:
Duane Williams
580.336.5960
Email

South Herd Manager:
Michael Major
405.744.1432
Email

Facility Supervisor:
David Lalman
405.744.9286
Email

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. Most of the acreage surrounds Lake Carl Blackwell. Pastures are in four main tracts, 640 acres, about 600 acres north of the lake, 380 acres in a single pasture and the remainder comprising the “headquarters” area. The herd is comprised of 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 both research leaders (Lalman and Wettemann) are combined and selected for projects according to most appropriate breed, age, weight, condition, etc. Headquarters facilities consist of a 60 X 72 ft metal building containing electronic cattle scales, squeeze chute, restrooms, tool and equipment storage and office. Excellent and extensive cattle holding and sorting pens are integrated with the building. Pens also permit limited cattle feeding experiments. Two individual feeding barns, each with feed storage areas and 42 individual covered stalls, are located in this area. 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. 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 because of lack of any handling facilities. 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. In addition to studies on nutrition and reproduction, cooperative studies with researchers in Veterinary Medicine and Entomology are conducted.

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