There's a trend toward more specialization and mechanization in cattle feeding. What method is best for you? Research at Iowa State suggests some guidelines to consider with your situation and size of operation.
Gibbons, James R. and Heady, Earl O.
"What Cattle-Feeding Method for You?,"
Iowa Farm Science: Vol. 18
, Article 2.
Available at: https://lib.dr.iastate.edu/farmscience/vol18/iss2/2