Effect of E. coli ectotoxin on calcium and phosphate concentration in serum of dairy cows.

Abstract

The injection of E. coli ectotoxin into eight healthy cows of the SRB breed induced a significant hypocalcemia and hypophosphatemia. A clinical profile similar to that normally seen in paresis puerperalis was also observed. These results confirm earlier observations that toxaemia can give rise to paralytic symptoms.