Per-Head Costs for Working Cattle 
on the Range with Mobile Facilities
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Based on average crew performance       $7.62
  A. -20% reduction of overhead time    $6.27
  B. -20% increase in processing rate   $6.32
Combining A and B improvements          $5.65
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Average six-person crew performance for a 
typical 10-hour day with two mobile cattle 
working units: two hours travel; three hours 
overhead time (setup, teardown, cleanup); 3½ 
hours to work cattle; one hour for lunch; plus 
half an hour for breaks and conversation. 
Total average cattle worked: 191 calves.