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This week, we’re talking coccidiosis. While it might seem out of season, as housing approaches we are running out of time to stop the disease at source.

Seeing a tapeworm coming out of one of our animals can be a shocking experience. They’re one of the only parasites that we physically see in the flesh while our animal is alive.

We are often told by dairy farmers that they routinely worm cows during the year, regardless of whether symptoms of parasite infection are present or not, and immediately see lifts in yield. Why is this?

There are many things to consider before treating animals. Five are illustrated in the video this week.

There are three wormer classes for use in cattle; white (BZs), yellow (LVs) and clear (MLs). Each class has its own attributes and limitations when it comes to dairy farms.

When deciding on timing between dosing treatments, it’s important to know a couple of things about the products.

A question often asked – “do I go back to where I came from after dosing lambs, or move them to fresh pasture?” When using products with persistent activity, such as those containing moxidectin, the re infection method will not work.

A question often asked – “do I go back to where I came after dosing lambs, or move them to fresh pasture?” When using products with zero persistency, like Albex, Chanaverm, Animec Oral, Zerofen or Bovex, advice is to...

Before dosing sheep with an oral white or clear wormer, best practice is to have a 24-hour fasting period. This optimises absorption in the stomach. However, if it cannot be done for a full 24-hour period it is probably not worth doing at all.

Nematodirus is unique as gastrointestinal worms go, as the larvae do most of the damage. Symptoms come about after a sudden lift in temperatures following a cold period.