Mary Drewnoski - Beef Systems Specialist

Mary Drewnoski

faculty
Work Animal Science Complex (ANSC) C220F
Lincoln NE 68583-0908
US
Work 402-472-6289 On campus, dial 2-6289

Faculty Bio

Cattle grazing a corn field
Cows grazing corn residue may not remove as much organic material and as many nutrients as might be expected, but they will likely redistribute some nutrients in the field due to their traffic patterns.

Nutrient Removal by Cows Grazing Corn Residue

November 5, 2018
Nutrient removal by cows grazing corn residue may not be as much as you might think. Here a livestock and a forage specialist break down the numbers and look at removal rates for organic matter and minerals.

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Soybeans

Can Damaged or Discolored Soybeans be used as Cattle Feed?

October 24, 2018
Quality issues with soybeans this year are leading some growers to seek alternative markets. Damaged or discolored whole, raw soybeans can be a good protein source for cattle and provide a market option for growers.

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Cattle grazing corn stalks
Cattle grazing corn stalks

The Crop Residue Exchange Links Growers and Grazers

October 10, 2018
The Crop Residue Exchange is an interactive online tool to help crop and cattle producers connect and develop mutually beneficial agreements to use crop residue for grazing. A new feature allows producers to also list forage cover crops for grazing.

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Making Silage from Late-Season Hail-Damaged Corn

August 29, 2018
For corn growers with cattle or whose neighbors have cattle, making silage from late-season hail-damaged corn can be a good option. Here's what to consider.

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Large round bales of corn residue in the field
Demonstrations of equipment used for baling corn residue will be daily at this year's Husker Harvest Days near Grand Island. (Photo by Jenny Rees)

Corn Residue Baling Workshop to be held at Husker Harvest Days

August 28, 2018
View daily demonstrations of corn residue baling equipment and get answers to your questions about its use at this year's Husker Harvest Days.

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Hailed corn
Figure 1. Severely hail-damaged corn field where the ears are the top-most part of the plant. Following severe hail damage, cover crops can offer a variety of benefits from using available nitrogen to aiding weed control. (Photos by Jenny Rees)

Cover Crop Considerations Following Late-Season Hail Storms

August 24, 2018
Cover crops offer a number of benefits in fields sustaining late-season hail damage, but should be planted soon to provide sufficient time for growth. A guide covers various cover crops and their use, seeding rates, and seeding method.

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Corn silage

Drought-stressed Corn: A Feed Opportunity

July 22, 2022
When harvesting drought-stressed corn to feed, there are several cautionary factors to consider as well as several options for feeding, baling, or grazing it.

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Cattle grazing rye cover crop near Tecumseh
Figure 1. Cattle grazing cereal rye cover crop near Tecumseh. Often grazing poses less of a nitrate toxicity risk than haying and feeding. (Photo by Mary Drewnoski)

Reducing Nitrate Concerns When Grazing Forage Cover Crops

July 22, 2020
Nitrate toxicity can be a concern when planting cover crops for forage in hail-damaged crop fields. With proper management of haying and grazing, the risk can be reduced.

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