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Table 1 Descriptive statistics of continuous variables from beef heifers

From: Evaluation of age, weaning weight, body condition score, and reproductive tract score in pre-selected beef heifers relative to reproductive potential

Variable Dataset No. of records Mean SD 95% CI
Weaning weight, kg All heifersa 935 278.0 35.5 275.8–280.3
Pregnancy heifersb 259 294.7 38.9 289.9–299.4
Adj weaning weight, kg All heifers 935 266.2 30.4 264.2–268.1
Pregnancy heifers 259 278.7 26.6 275.5–282.0
Age at weaning, d All heifers 935 227.2 32.6 225.1–229.3
Pregnancy heifers 259 229.2 34.3 225.0–233.4
Age at AI, d Pregnancy heifers 259 418.7 22.6 416.0–421.5
  1. aAll heifer calves recorded in the database from each station that were born between 2000 and 2017
  2. bHeifer calves recorded in the database from each station that were subjected to AI between 2011 and 2017
  3. SD Standard deviation, CI Confidence interval