In many well-man-aged dairy herds, the obtained decrease in prevalence
of IMI caused by contagious major pathogens is, how-ever, associated with a relatively higher proportion of
subclinical or mild clinical infections caused by CNS
(Tenhagen et al., 2006; Bradley et al., 2007; Piepers
et al., 2007).
In many well-man-aged dairy herds, the obtained decrease in prevalence
of IMI caused by contagious major pathogens is, how-ever, associated with a relatively higher proportion of
subclinical or mild clinical infections caused by CNS
(Tenhagen et al., 2006; Bradley et al., 2007; Piepers
et al., 2007).
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