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… to drenching.  Keeping a population (or refuge) of drench-susceptible worms on the farm can slow the build-up of parasites resistant (R) to drenches.   Without some worms in Refugia, drench-resistant (R) worms carry on breeding, while …

… and treatments—preferably for each animal but at least to the mob level. Specific diseases and issues Internal parasites Sheep measles Johne’s disease … Animal waste and carcass management …

We offer workshops covering everything you need to know about better breeding, better feeding, and better animal health and welfare. … Workshops we currently offer … Beef Cow Body Condition Scoring This workshop provides the platform to bring together and discuss all the critical elements of condition scoring in beef animals and management applications throughout the farming year Ewe Body Condition Scoring This workshop demonstrates a quick, easy and low-cost management tool that compares sheep …

… System guide (PDF, 178KB). Post mortems/total worm counts  Post-mortems are a useful tool to determine the role of parasites in cases of poor body condition and performance of adult stock, especially ewes.    … Here’s some guidelines for what you’ll see with Barbers Pole worm and Trichostrongylus in lambs that have died of these parasites. Total worm counts are the ultimate test to determine the level of immature and mature worm burden in animals.  …

You’ll have heard the mantra ‘95% of worms on your farm are on pasture’. Learn about the drivers of worm challenge on your pastures so you can reduce worm intake by susceptible stock.  … Where do the larvae live?  The vast majority of your total worm population (85 to 95%!) lives on pasture – as L3 larvae. The rest are: In the soil – a few larvae and eggs. In dung pats – eggs and developing larvae. Inside your animals – as juvenile worms, adults and eggs. Think of your farm as a worm iceberg. …

… or farm ruminant animals, there are rules you must follow to reduce this risk. Feeding offal to dogs Hydatids are parasites that form cysts in the organs of livestock and people. Although we believe New Zealand is now free from …

This project aims to collate the relevant knowledge on ectoparasites as it relates to the New Zealand sheep and beef cattle sector and use this information to determine the current knowledge gaps and identify any emerging risks. … Background Ectoparasites such as lice, flies, ticks and mites are an important animal health challenge for our New Zealand livestock farmers. Ectoparasites are not the main threat to farm production from an animal health point of view, however, they are a major …

… survivors to breed with each other and increase in numbers.  Using drench over and over as your main way to manage parasites applies selection pressure. It culls susceptible worms and removes them from the gene pool. What’s left?   …