| prevalence and distribution of mastitis pathogens in subclinically infected dairy cows in flanders, belgium. | the main objective was to determine the prevalence of intramammary infections (imi) in dairy cows in flanders, belgium. data were obtained from quarter milk samples of dairy herds subjected to a mandatory yearly screening of all lactating cows. a total of 178,668 quarter milk samples were collected at 1087 cross-sectional dairy herd screenings performed in three consecutive years. of the dairy cows, 40% had at least one culture-positive quarter. more than 50% of all imi were caused by non-aureus ... | 2007 | 17931457 |