Table 5: Development of X-ray absorption values (HU) of the lung parenchyma of 15 vital calves (group A) compared between the sixth and twelfth hour of life.

Section of analysisMeasurement time p. n. h ± Min.Max.

A + C660−65947−753−551
Dorsocranial1260−67350−751−570
A + C6135−60067−716−367
Dorsocaudal12135−59268−712−307
B + D660−417133−621−16
Ventrocranial1260−479135−656−23
B + D6134−407102−593−83
Ventrocaudal12134−46087−650−173