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Table 4 Mortality by vitality score (VS) and intrauterine growth retardation (IUGR) in LW (low weight) and NW (normal weight) newborn piglets dying or surviving until day 5 of age

From: Killing underweighted low viable newborn piglets: Which health parameters are appropriate to make a decision?

Category

LW

NW

Number of piglets per category

Percentage of dead piglets per category

Number of piglets per category

Percentage of dead piglets per category

Vitality score (VS)

 0

146

16.4

180

7.9

 1

127

46.5

9

33.3

 2

29

93.1

0

0

 3

26

100

0

0

Intrauterine growth retardation (IUGR)

 0

124

22.6

187

4.8

 1

133

36.8

3

33.3

 2

71

83.1

1

100