Researchers at Ohio State University extended the grazing season for Holstein and Jersey heifers with annual ryegrass and a mixture of oats and cereal rye. The crops were planted last September and grazed from Nov. 20, 2006 to Jan. 4, 2007. The oat-and-cereal-rye mixture was grazed again from March 26 to April 10. The annual ryegrass was grazed again from April 2 to April 10. The oat-and-cereal-rye mixture resulted in 88 grazing days per acre per heifer with a 65-cent cost per pound of gain. The annual ryegrass provided 72 grazing days per acre per heifer with a cost per pound of gain of 50 cents. For more details, follow this link.
Graze heifers on winter annual forages
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