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Table 2 Means of four indicators mortality, average daily gain, feed conversion ratio and treatment frequency for different IBW-classes (1 = light, 2 = medium, 3 = heavy) and p-values of t-test

From: Health monitoring of finishing pigs by secondary data use – a longitudinal analysis

Indicator Mean P-Value t-test
Class 1 Class 2 Class 3 Class 1 vs. 2 Class 2 vs. 3
Mortality [%] 3.90 2.63 2.77 <  0.0001 0.5483
Average daily gain [g] 755.2 852.3 856.1 <  0.0001 0.6565
Feed conversion ratio [kg/kg] 2.60 2.81 2.85 <  0.0001 0.1067
Treatment Frequency [UDD/FP] 1.46 2.17 1.43 0.0744 0.0367