| survey on the prevalence of diarrhoea in pre-weaning piglets and on feeding systems as contributing risk factors in smallholdings in central vietnam. | a cross-sectional survey on the prevalence of diarrhoea in pre-weaning piglets, and on management and feeding systems under farm conditions was carried out in thua thien hue province. faecal samples were collected from 63 piglets without, and 90 piglets with diarrhoea to determine the occurrence of salmonella, escherichia coli (e. coli) and different e. coli antigens (k88, k99 and 987p). the prevalence of diarrhoea was higher in the rainy season than in the dry season (33% vs 18%) and the result ... | 2006 | 17165611 |