Selection for Superior Growth Advances the Onset of Puberty in Merino Ewes

نویسندگان

  • C. A. Rosales Nieto
  • M. B. Ferguson
  • C. A. Macleay
  • J. R. Briegel
  • G. B. Martin
  • A. N. Thompson
چکیده

CRC for Sheep Industry Innovation and the University of New England, Armidale, NSW 1 Department of Agriculture and Food of Western Australia, South Perth, Western Australia, 6151, Australia Institute of Agriculture, University of Western Australia, Crawley, Western Australia, 6009, Australia School of Veterinary and Biomedical Sciences, Murdoch University, Murdoch, Western Australia 6150, Australia

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منابع مشابه

Selection for superior growth advances the onset of puberty and increases reproductive performance in ewe lambs.

The reproductive efficiency of the entire sheep flock could be improved if ewe lambs go through puberty early and produce their first lamb at 1 year of age. The onset of puberty is linked to the attainment of critical body mass, and therefore we tested whether it would be influenced by genetic selection for growth rate or for rate of accumulation of muscle or fat. We studied 136 Merino ewe lamb...

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تاریخ انتشار 2011