Impact on heifers/cows and their calves

Impact on heifers/cows and their calves

Russ Daly, DVM


Neospora caninum is a protozoal germ that has the potential to affect reproduction in beef and dairy herds. The protozoa has an interesting lifecycle that involves canine species (dogs, coyotes, foxes, etc.). When Neospora-affected cows give birth, the cleanings and fetal tissues contain Neospora cysts. If these tissues are eaten by a canine, Neospora oocysts are shed in their droppings. When these infected droppings contaminate cattle feed, the cycle is complete, infecting cattle that eat the feed.

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