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Iowa State University

Life Sciences

Animal Science

1976

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Rumensin: A New Feed Additive For Feedlot Cattle, Steven Nissen, Allen Trenkle Jan 1976

Rumensin: A New Feed Additive For Feedlot Cattle, Steven Nissen, Allen Trenkle

Iowa State University Veterinarian

Because feed comprises over 80% of the cost of producing fat cattle, considerable research has been directed towards improving utilization of the energy in feeds by ruminants. Attempts to get more energy from cattle feeds have included grinding, pelleting, steam flaking, feeding ensiled high moisture grains and feeding high concentrate rations.