... diarrhoea isolates, indicating that it was still a significant pathogen in preweaning diarrhoea in Vietnam. In post-weaning diarrhoea, the major pathotypes were associated with F18 rather than ... 0.005.0010.0015.0020.0025.0030.0035.00 40 .00 45 .0050.00Apr-05May-05Jun-05Jul-05Aug-05Sep-05Oct-05Nov-05Dec-05Jan-06Feb-06Mar-06Apr-06May-06Jun-06Month% Pre Weaning MortalityAnh De Thai Binh CAnh Thiet ... of training material, organisation of farm visits and data analysis. NIVR was responsible for the production and testing of E. coli vaccines for the project and providing advice and assistance...