Table 6. Benefit analysis of pigs shipped from treatment room and control room

Treatment (with air cleaner) Control (without air cleaner)
Mean body weight per head (kg) 102.4 92.4
Auction price per kg ($) 5.134
Calculated amount (mean body weight per head × auction price per kg) 525.73 474.39
Benefit (treatment – control) $51.34 per head