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… nematodes (GIN) are a significant concern for livestock health in New Zealand. Effective management of these parasites requires accurate monitoring to determine which treatment tools to use. Currently, the Faecal Egg Count (FEC) … used to assess worm burden. While FEC is quick and cost-effective, it does not identify the specific species of parasites present. To determine species, a follow-up larval culture test is needed, which can take two to three weeks for …

Parasite management 2025 calendar …

… of ivermectin (a macrocyclic lactone) reaching target cattle tissues (abomasum and small intestine) and the target parasites ( Ostertagia  and  Cooperia ) when given to cattle orally, by injection or pour-on.  … Background While it is … different. Despite evidence that pour-on administration is the least effective and most likely to select for resistant parasites, these products are the most common for the cattle market in New Zealand today. Solid evidence explaining why … or pour-ons and this is probably because orals deliver a higher concentration of active ingredients to the target parasites in the gut.   Despite this information, most cattle farmers continue to use pour-ons because of their ease of …

… Internal parasites and drench resistance are serious threats to livestock production. To help farmers, B+LNZ Research has launched … Expected benefits to farmers Enhanced knowledge: Access to expert guidance and best practices for managing internal parasites, helping to address the growing issue of drench resistance. Improved management: Tools and strategies from …

Wormwise: managing sheep and worms …