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Document Date: Aug/01/2025

Prevalence and infection characteristics of common pathogens associated with calf diarrhoea in Danish dairy calves

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Published highlights:

  • 392 fecal samples from Danish calves with diarrhea was assessed, in which Clostridium perfringens type A, rotavirus and Cryptosporidium parvum were the most prevalent pathogens, detected in 28–39 % of the samples.
  • Culturing demonstrated moderate to massive growth of E. coli in 75 % of the samples, independent of the age of the sampled calves.
  • For all qPCR detected pathogens, except for coronavirus and E. coli F5, dual-infection with the presence of two pathogenic agents in the sample, was the most common infection type.