Cute young calf
  • Enterotoxigenic E. Coli (ETEC) is a major cause of NCD in the first 4 days of life but rarely causes diarrhoea in older calves
  • Salmonella tends to affect calves between 2 and 6 weeks of age and ranges in severity from mild disease to septicaemia and high mortality
  • Rotavirus and coronavirus typically affect calves less than 3 weeks old with a peak incidence between 6 and 10 days of age
  • Only 5% of calves infected with Eimeria species develop NCD but subclinical coccidiosis has a negative effect on feed conversion and growth
  • Mixed infections of ETEC, C. parvum and rotavirus are common; biosecurity, rapid diagnostics and early intervention are key for control
What’s new

<p>Viability of <em>Cryptosporidium</em> spp. oocysts after exposure to two commercial disinfectants</p>

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<p>Controlling cryptosporidiosis with paromomycin sulphate in neonatal dairy calves</p>

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<p><em>Cryptosporidium</em> spp. oocyst viability submitted to disinfectants under different light conditions</p>

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