Cryptosporidium parvum: What to do when your calves have it and how to prevent it

Dave Renaud DVM PhD

Cryptosporidium parvum (C. parvum) is a parasite that commonly infects dairy calves in the first month of life. An Ontario study found that 41 per cent of calves were infected with C. parvum, however, there was a wide range of infection levels on the 51 participating dairy farms, with anywhere from 0 to 70 per cent of calves infected. Infection with C. parvum can lead to calf diarrhea and contribute to reduced average daily gain (ADG) and ultimately reduced milk production. Due to these consequences, it is important to lessen its occurrence on farm…


Receive Our Newsletter

and stay informed on news, events and special offers.