B+LNZ Wormwise programme

Worms 101

The lifecycle of most gut worms is the same – understanding this helps with decision-making around grazing and drenching. Understanding the patterns of what worm species predominate where, when and in which stock classes can also help you manage worms on your farm.

diagram of worm life cycle

Worm life cycle

The more you know about how worms live and breed, the easier it is to mitigate the harm they cause. Here we look at the stages of the worm life cycle – there are ways our management can interrupt this cycle to reduce worm challenge to susceptible stock. 

image of worms on pasture

Worms on pasture

You’ll have heard the mantra ‘95% of worms on your farm are on pasture’. Learn about the drivers of worm challenge on your pastures so you can reduce worm intake by susceptible stock. 

diagram showing worms inside of sheep

Common worms in sheep

Learn about the important worm species of sheep – effects on the animal, seasonal pattern, diagnosis, treatment and prevention strategies.

diagram of worms in cattle

Common worms in cattle

Meet your enemies! Learn about the important worm species of cattle – effects on the animal, seasonal pattern, diagnosis, treatment and prevention strategies.