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. 2020 May 1;10(5):787. doi: 10.3390/ani10050787

Table 2.

Data collected (mean ± SE) on individual pigs for the three treatments.

Variable 1 Carbon Dioxide Carbon Dioxide with Butorphanol Nitrous Oxide p-Value
Avg. Weight (kg) 4.47 ± 0.38 4.63 ± 0.0.42 3.97 ± 0.29 0.3306
Total duration (sec) 559.44 ± 24.47 544.11 ± 23.81 556.44 ± 21.31 0.8223

1 kg = kilogram, sec = second.