... sig-nificant increase in the numbers of WBC atcalving. This was mainly due to an increase in the numbers of circulating neutrophils, and to aless extent, an increase in monocytes. At calv-ing, the ... blood micronutrients, leukocytes and neutrophil expression of adhesion molecules in periparturient dairy cows. Acta vet. scand. 2001, 42, 139-150. – Dairy cows arehighly susceptible to infectious diseases, ... calving. The resultswere mainly in line with reports from other countries. The concentrations of vitamins A and E, and of Zn, Ca and P decreased significantly at calving, while Se, Cu, and Na in- creased....