EFFECT OF MEASUREMENT METHOD, BREED, AND TECHNICIAN ON SCROTAL CIRCUMFERENCE MEASUREMENTS

Authors:
  • GCG. H. Coulter
    G. H. Coulter
  • GKG. C. Kozub
    G. C. Kozub
  • RMR. J. Mapletoft
    R. J. Mapletoft
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Abstract
Three methods were used by three technicians to measure the scrotal circumference (SC) of three breeds of yearling beef bulls. Variance of an individual SC measurement was affected most by bull. Technician and measurement error components were much smaller. The Society for Theriogenology method of obtaining SC measurements was recommended for use in Canada. Key words: Scrotal circumference, methods, variance components, recommendations