Empty body weight gain, protein, fat and energy deposit and utilization of metabolizable energy for energy deposit in black and white bulls. 2. Protein, fat and energy deposit

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The protein, fat and energy deposition determined in 6 series of individual feeding experiments with different energy supply on slaughter steps (altogether 458 animals) and whole body analysis were generalized in this publication on nonlinear regression analyses. The protein deposition per kg empty body weight gain is influenced by empty body weight, it takes off with increase of the empty body weight. At low empty body weight (100-200 kg) the protein deposition per kg empty body weight gain is small increased with increasing of empty body weight gain, at high empty body weight it is reduced continuously. The fat deposition per kg empty body weight gain increases progressively with the empty body weight and with the empty body weight gain respectively. The energy deposition per kg empty body weight gain increases with increase of empty body weight and of empty body weight gain. It showed the same development like the fat deposition. The protein, fat and energy deposition per kg live weight gain are calculated and tabulated in dependence on the live weight and the live weight gain.