Mary Drewnoski, Nebraska Extension Beef Systems Specialist

Distillers grains with loader

February 1, 2026

Opportunities for Distillers Feed Byproducts in your Beef Operation

By Galen Erickson, Nebraska Extension Beef Feedlot Specialist, Mary Drewnoski, Nebraska Extension Beef Systems Specialist, Jim MacDonald – Animal Science Professor

Cows on cornstalks

January 1, 2026

Cornstalk Grazing during Late Gestation

By Randy Saner, Nebraska Extension Educator, Mary Drewnoski, Nebraska Extension Beef Systems Specialist

Corn sprouting from downed ears

October 20, 2025

Can Beef Cows Graze Corn that Sprouted in a Corn Field?

By Rick Rasby, Extension Specialist, Mary Drewnoski, Nebraska Extension Beef Systems Specialist

hay probe

August 19, 2025

Tips for Selecting a Hay Core Sampler

By Mary Drewnoski, Nebraska Extension Beef Systems Specialist

Cows with virtual fence

July 1, 2025

Is It Time to Consider Virtual Fencing for Intensive Grazing Management?

By Yijie Xiong, Nebraska Extension Specialist, Precision Livestock Management, Mary Drewnoski, Nebraska Extension Beef Systems Specialist

Prevent calf abnormalities by managing beef cow diets - MSU Extension

July 1, 2025

How much supplemental manganese does my cowherd require?

By Brock Ortner, Nebraska Extension Livestock System Educator, Mary Drewnoski, Nebraska Extension Beef Systems Specialist

Yearling on grass. Photo credit: Troy Walz

June 1, 2025

Does It Pay to Target Compensatory Growth in Yearlings During the Summer?

By Mary Drewnoski, Nebraska Extension Beef Systems Specialist

cattle grazing sudan grass

June 1, 2025

Need Summer Grazing? Sudangrass Might Be Worth a Try

By Mary Drewnoski, Nebraska Extension Beef Systems Specialist

Black calves eating mineral from a tub

May 1, 2025

How Much Zinc Should Be in My Free Choice Mineral?

By Brock Ortner, Nebraska Extension Livestock System Educator, Mary Drewnoski, Nebraska Extension Beef Systems Specialist

Cow grazing lush green forages. Photo credit: Troy Walz

April 1, 2025

Going to Grass: Preventing Grass Tetany with Magnesium Supplementation

By Brock Ortner, Nebraska Extension Livestock System Educator, Mary Drewnoski, Nebraska Extension Beef Systems Specialist

Cow and calf in grass pasture. Photo credit: Troy Walz

April 1, 2025

How Much Free Choice Mineral Are Nursing Calves Eating?

By Mary Drewnoski, Nebraska Extension Beef Systems Specialist

Cow grazes green cover crop. Photo by Mary Drewnoski.

March 1, 2025

What Needs to be in Your Free-Choice Mineral Supplement When Grazing Cereal Rye or Other Small Cereals?

By Mary Drewnoski, Nebraska Extension Beef Systems Specialist