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Parasite Paranoia

By   /  November 9, 2015  /  1 Comment

Worried about parasites? Here’s how grazing management can help you sleep better at night.

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Look – a barber pole worm that inspired good grazing management. Parasites were behind Dave
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About the author

Publisher, Editor and Author

Kathy worked with the Bureau of Land Management for 12 years before founding Livestock for Landscapes in 2004. Her twelve years at the agency allowed her to pursue her goal of helping communities find ways to live profitably AND sustainably in their environment. She has been researching and working with livestock as a land management tool for over a decade. When she's not helping farmers, ranchers and land managers on-site, she writes articles, and books, and edits videos to help others turn their livestock into landscape managers.

1 Comment

  1. Ron Klein says:

    Thank you Dave for this video (and Kathy and Rachel for posting it) -well done and excellent advice. I have studied H. contortus, the barber pole worm, for many years and with our dairy goat herd have used that knowledge to break the parasite life cycle. We move the herd every 1-2 days and do not return to a paddock until the forage is at least 12-16 inches. (The mantra is “Graze high, so they won’t die.”) We move the herd when the forage base is at approximately 6” to avoid infectious larvae. We also do FAMACHA and fecal egg counts (we do our own and also send samples to MidAmerican Ag Labs in Verona, Wisconsin to get a complete profile of GI parasites species in our samples.) This year, after 4 years of managed intensive grazing and adding haying into our system; out of 170 dairy goats only 2 required worming based on high FAMACHA scores. With 120-140 animals going through the parlor it is easy to add FAMACHA scoring to our routine, and it is also easy to check when they are out on pasture.

    One thing I would like to add, FAMACHA scores anemia. We were fooled early on by high FAMACHA and low fecal egg counts. We were able to explain this by understanding that immature worm larvae are voracious blood feeders but do not shed eggs. And we had timed our scoring with a heavy worm bloom a few days after moving off a pastured that had been heavily contaminated. In addition, soil tests indicated very low levels of cobalt and we thought low cobalt could be the explanation for high FAMACHA score in some of our animals. We supplemented our mineral with trace amounts of cobalt and saw a drop in our FAMACHA scores over the next few weeks.

    No doubt at all that careful pasture and graze management pay off in herd and soil health, as well as production of quality milk.

    Than you again and best wishes,
    Ron Klein
    Windshadow Farm & Dairy,
    Bangor, Michigan

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