Glenn Selk

Feed conversions of creep feeds for nursing calves

Feed conversions of calves fed creep feeds have been quite variable to say the least. FULL STORY »

Cow-calf corner: Tips to increase weaning weight Play video

Glenn Selk demonstrates management practices to help increase weaning weight. FULL STORY »

Cow-calf corner: Supplementation programs Play video

Glenn Selk talks about feeding trends with OSU alumni Rick Rasby, who is now an Extension cattle specialist at the University of Nebraska. FULL STORY »

Keep or cull open replacement heifers?? (and buyer beware)

For some Oklahoma cow calf operations, the bulls go into the breeding pasture with replacement heifers in mid-April. FULL STORY »

Cow-calf corner: Preventing calf scours Play video

Cow-Calf Corner is a collection of timely management tips of interest to cow-calf producers in Oklahoma. This week, Glenn Selk explains how to prevent calf scours. FULL STORY »

Using artificial insemination in very warm weather

The high temperature in Altus, Oklahoma on April 1st was 98 degrees F. (No April Fool’s joke intended! It was just 93 degrees in Stillwater.) FULL STORY »

Make a record of twins

Estimates of the percentage of beef cattle births that produce twins vary. One estimate (Gilmore) puts the percentage at about 0.5% or 1 in every 200 births. FULL STORY »

Cow-calf corner: Body condition at calving, rebreeding Play video

Glenn Selk teaches us the importance of maintaining good heifer body condition scores at calving and rebreeding. FULL STORY »

Interval timing from calving to return to heat cycles

Research data sets have shown conclusively that young cows that calve in thin body condition but regain weight and condition going into the breeding season do not rebreed at the same rate as those that calve in good condition and maintain that condition into the breeding season. FULL STORY »

Take advantage of the drought of 2011

The hot, dry weather of 2011 across the Southern Plains certainly created a hardship for commercial cow calf operations that are short of standing and stored forage. FULL STORY »

Cow-calf corner: Breeding replacement heifers Play video

Glenn Selk discusses considerations when breeding yearling replacement heifers with synchronized artificial inseminations programs using the feed additive Melengestrol Acetate. FULL STORY »

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