Deworming calves

There is probably no point in deworming at birth. Generally it is only necessary when calves start to graze green pasture or are fed cut pasture that has been fertilized with cattle manure, as calves need to be exposed to larvae from grass to develop infestations. We generally recommend deworming each month - 6 weeks, following access to green grass. Occasional worm egg counts also need to be done to monitor worm burden. It is also advisable to rotate anthelmintic, to minimize resistance development. Pasture rotation/spelling is also necessary in the parasite management program.

agreed with Mr Philip

In the three months after birth begins

Deworming in calfs should done after weaning.