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A chart for body condition scoring of freely moving Holstein dairy cows was developed using an iterative process consisting of literature review, interviews with experts, field testing, statistical analysis, and comments from chart users. The chart consists of text and diagrams that detail changes in conformation with body condition change for eight body locations identified as important in body condition scoring. The precision with which a prototype chart was used to give location specific condition scores to cows was examined, and the variability among the assessors described. This chart gave consistent results with small variability among assessors, no significant difference attributable to experience of assessors, and no significant cow assessor interaction.
Edmonson et al. (Sun,) studied this question.
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