Optimizing feed intake recording and feed efficiency estimation to increase the rate of genetic gain for feed efficiency in beef cattle

@article{Manafiazar2017OptimizingFI,
  title={Optimizing feed intake recording and feed efficiency estimation to increase the rate of genetic gain for feed efficiency in beef cattle},
  author={Ghader Manafiazar and John Basarab and L McKeown and Jennifer Stewart-Smith and Vern S Baron and Michael MacNeil and Graham Plastow},
  journal={Canadian Journal of Animal Science},
  year={2017},
  volume={97},
  pages={456 - 465}
}
Data from a total of 4842 animals were used to test whether the regular dry matter intake (DMI) data collection and residual feed intake (RFI) estimation period could be decreased. Eighty-three shortened test periods were compared with the regular test period, and the results showed that the DMI data collection period could be decreased to 42 d without significantly compromising accuracy of feed efficiency testing. Competency of the selected shorter period (42 d with 30–42 d of valid feed… CONTINUE READING

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