The contribution of each effect to the total sum of squares was herd (2.6%);year of first calving (2.83%);month of calving (1.93%);parity (4.18%);age (14.87%), and individual animal effect (46.72%).

 
  • 各因子的方差占总方差的比例分别为:畜群(2.;6%25)、头胎年份(2
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