[Colibacillosis in calves, especially enterotoxic E. coli infections].

Developments in the knowledge of colibacillosis are reviewed in the series of 'Papers in the Past and Present.' The starting-point of this paper is provided by the paper by H. Veenstra:' A Note on Diseases of Young Breeding Calves in the Province of Friesland' (1894) but particularly, by the study by J. Poels: 'Report on Calf Disease in the Netherlands' which appeared in 1899. A historical review of bacteriological features in the pathogenesis of neonatal diarrhoea in calves and their significance in diagnosis, particularly that of enterotoxigenic Escherichia coli infection (ETEC), is followed by data on the incidence of ETEC infection in the Netherlands and a discussion of the possibilities of prevention in ETEC infections, which, is so far as farm management is concerned, could still fall back on the advice given by Poels towards the close of the last century.