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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