Comparison of visual assessment and heart girth tape measurement for estimating the weight of cattle in clinical practice

Sarah Wood*, Kristen K Reyher, David C Barrett

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)

7 Citations (Scopus)

Abstract

Estimates of the weights of dairy cattle by veterinary surgeons (n = 53), stock handlers (n = 42) and students (n  = 77) were compared with heart girth measurements, which were used as a predictor of bodyweight. Visual live weight estimation was variable in accuracy. Fifty-five per cent of weight estimates were >10% from the reference weight, and the mean absolute percentage difference for all estimates was 15% (standard deviation 15%, interquartile range 5–20%). Underestimation was more frequent at higher weights, and accuracy of estimation was lower as weight increased. Overestimation tended to occur more frequently at weights <150 kg.
Original languageEnglish
Pages (from-to)337-338
Number of pages2
JournalVeterinary Journal
Volume203
Issue number3
Early online date6 Jan 2015
DOIs
Publication statusPublished - 1 Mar 2015

Keywords

  • Accuracy
  • Cattle
  • Estimation
  • Live weight

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