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What’s the story with genetics for worm management? Aren’t worm-resistant sheep poor performers? What’s the difference between resistance and resilience? Who’s CarLA (hint: It’s not your sister’s mate from Temuka). Resistant sheep have high immunity to worms and pass less worm eggs in their faeces. Resilient sheep continue to grow and perform despite worm challenge. Both traits are being measured and selected by NZ sheep breeders – you can buy rams that will improve these traits in your flock. …

… 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 …

… 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 …

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. …

… 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.  …

… 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 …

… 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?   …