Increased reports of a blood-sucking worm affecting performance and mortality rates in flocks should be met with an evidence-based approach before rushing for the drenching gun. Testing and detective ...

Haemonchus contortus is a highly pathogenic nematode that infects the gastrointestinal tract of goats, leading to significant health issues such as anaemia, reduced productivity and, in severe cases, ...

Good worm control plays a pivotal role in the success or failure of a sheep flock. Get it wrong, and you could be left with stunted growth rates, gut damage and even death in some severe cases. One of ...

Since June 2025 AFBI has confirmed haemonchosis in 12 carcasses submitted for postmortem examination. The carcasses were all sheep and ranged in age from 4-month-old lambs to adults, with varied ...

There were significant differences among the lengths and widths of eggs from the four most common vulvar flap phenotypes of a Haemonchus contortus population in a naturally infected flock of sheep.

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Membranes from both ivermectin-sensitive and -resistant Haemonchus contortus L3 larvae were examined for the presence of high affinity [3H]ivermectin binding sites. Both tissue preparations displayed ...

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