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To evaluate the factors that affect efficiency in a Leucaena leucocephala cv Perú association, with pastures for bovine fattening, 22 Zebu fattening cycles were studied on a farm of the Rectangulo Livestock Company, in Camagüey, Cuba, between 2002 and 2012. The local soil is brown without carbonates. The climate is tropical humid, and the annual precipitation average is 1 183mm. The factors evaluated were food balance, duration of the fattening cycle, and quantity of animals/cycle. The daily weight gain and expenses/income per operation were also analyzed. The pasture and Leucaena percentages were determined by plant counts. Food balances were estimated. The final value of the population of Leucaena cv Perú was 93% (P |
