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cow grazing Aaron Berger
VIABLE OPTION: Windrow grazing is a management practice that can reduce harvesting and feeding costs.

Windrow grazing alternative to feeding hay

Also called swath grazing, method can reduce harvesting and feeding costs in fall and winter.

Harvested feed costs can be one of the largest expenses to cattle producers. Windrow grazing, sometimes called swath grazing, is a management practice that can significantly reduce harvesting and feeding costs.

Swathing the crop and leaving the windrows in the field provides several advantages:

 eliminates the costs of baling and hauling bales off the field

 reduces labor and equipment costs associated with feeding

 returns some nutrients and organic matter from consumed forage back to the soil where the crop was grown

Precipitation conducive to windrow grazing
In Nebraska, 75% to 80% of seasonal precipitation falls in the six-month period from April through September. Only 20% to 25% of precipitation falls from October through March.

This seasonality of precipitation allows for swathing forage crops in early fall and preserving them through the fall and winter with minimal deterioration in quality due to weathering. Cool, dry conditions frequently associated with late fall and winter in Nebraska are favorable for preserving forage in a windrow.

Across Nebraska, the average amount of precipitation increases from west to east. Greater average precipitation in eastern Nebraska does increase the risk of windrow deterioration compared to drier conditions in western and central Nebraska.

Windrow grazing of warm-season annual forages, such as foxtail millet, sudangrass and sorghum x sudangrass hybrids, allows for harvesting these forages when they’re at optimal quality and using them with minimal waste.

Windrow grazing of cool-season annual forages, such as spring triticale, oats and spring barley, planted in late summer can provide high-quality late-fall and winter grazing as well.

Snowfall from October through March can be variable; however, extended periods when snow cover would prevent windrow grazing are limited. If cattle know that the windrows are present, they will dig through the snow to get to the windrows.

A webinar titled Windrow Grazing in Nebraska is available that highlights more of the details of using this management.

A UNL NebGuide Windrow Grazing is available as a resource as well.

Berger is a Nebraska Extension educator. This report comes from UNL BeefWatch.

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