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Nutritional requirements of finishing beef cattle. 3. Calcium and phosphorus requirements for weight gain



Nutritional requirements of finishing beef cattle. 3. Calcium and phosphorus requirements for weight gain



Revista da Sociedade Brasileira de Zootecnia 22(1): 133-143



Calcium and phosphorus requirements for weight gain were studied in 3 groups of 16 Nelore (NE), Nelore x Marchigiana (NM) and Nelore x Limousin bulls, mean age 20 months and mean liveweight 252.0, 329.5 and 338.0 kg, respectively, fed a diet of 50% roughage and 50% concentrates. Ca and P retention were estimated in 4 bulls in each group slaughtered at the beginning of the experiment.

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