Spring-born calves are grazing more now that we're at mid-summer. As grass makes up a bigger part of the diet, young cattle will be more susceptible to worm burdens.

Temperatures are expected to rise towards the end of the week, and given the frequency of rain, warm and moist conditions are ideal for worms to multiply.

Therefore, make sure that this year’s calf crop are well covered for worms affecting the gut and lungs.

Be on the lookout for signs that calves are being affected by worms, such as more frequent and harsh coughing, loose or watery faeces and a lack of thrive.

When dosing, follow the product guidelines properly in terms of administering the product. This will mean restraining animals in a secure handling unit when dosing.

Also, group animals in the handling race based on size and set the dosing rate based on the heaviest animal in each pass. This reduces the variation in liveweight and the risk of under-dosing.

While spring-born calves are most susceptible, so too are last year’s autumn weanlings and yearling stores, so keep an eye on these animals also. Mature cows should be immune to worms.

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