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Nutritional requirements of finishing beef cattle. Energy requirement for maintenance and weight gain



Nutritional requirements of finishing beef cattle. Energy requirement for maintenance and weight gain



Revista da Sociedade Brasileira de Zootecnia 22(1): 121-132



Energy requirement for maintenance and gain were studied in 3 groups of 22 Nelore (NE), Nelore x Marchidiana (NM) and Nelore x Limousin (NL) bulls, mean age 20 months and mean liveweight 252, 329.5 and 338.9 kg, respectively, fed a diet of 50% roughage and 50% concentrates. Apparent digestibility of dietary energy was estimated throughout in 2 bulls from each group kept in metabolism cages. Energy retention was estimated by the comparative slaughter method.

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