It can be difficult to keep lambs safe from worms, but one method that has proven effective is treating ewes before lambing season. By targeting ewe treatments, you can reduce the worm challenge and increase the daily live weight gain in lambs, leading to a healthier flock overall. Let's take a look at how this works and the best practices for using moxidectin in sheep.

How Ewe Treatments Help Lambs

When ewes are treated with persistent treatment, it helps control the spring rise and can lead to lambs having lower worm egg burdens. This means that they won't have to deal with as many parasites, resulting in an improved growth rate and daily live weight gain—which allows them to be finished more quickly. The key is determining which ewes should be treated based on their body condition score, faecal egg counts, and clinical signs.

Downland ewe worming treatments

Responsible Use of Moxidectin In Sheep

If you choose to treat your ewes with moxidectin—which is an effective preventative treatment for parasites—it's important that you follow certain guidelines. At least 10% of your flock must be left untreated at all times, and Downland Moxidectin 2% should not be used more than once in any one year. Following these rules will help ensure that your flock remains healthy while still allowing for effective treatments when necessary.


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Targeting certain ewes with proper treatments is a great way to protect your lambs from worms and other parasites without resorting to excessive use of moxidectin or other medications. Not only does this approach reduce the number of parasites present in lambs; it also improves their growth rate and daily live weight gain so they can reach maturity more quickly. With responsible use of moxidectin in sheep, farmers can ensure that their flocks remain healthy while still getting the benefits of targeted treatments when needed.

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