OSU Sheep Team

SUMMER PARASITE MANAGEMENT
Rory Lewandowski, Extension Educator, Athens County
July and August are critical months to control the internal parasite, Haemonchus contortus in pasture based sheep and goat production. Often producers may find that lambs and kids seem to “stand still” during the summer, with little or no weight gain. There can be several reasons [...]

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Clif Little, Ag/NR Agent, Guernsey County
(Originally Published in Sheep Team Newsletter June 2004)
Wet weather may contribute to fly infestations on livestock. Young lambs and sheep are particularly vulnerable. Wet soiled wool, wounds and dying tissue attract blow and bottle flies in the spring. Young animals may become infested very quickly. Flies usually deposit eggs [...]

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By Dr. William Shulaw, Extension Veterinarian, The Ohio State University
(Originally Published in Sheep Team Newsletter September 2007)
Peak worm transmission season has been with us for a few weeks already, and some shepherds in Ohio have already experienced episodes of clinical disease and poor growth caused by worm burdens.  For most people, the blood-sucking worm, Haemonchus [...]

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By Dr. William Shulaw, Extension Veterinarian, The Ohio State University
(Originally Published in Sheep Team Newsletter September 2007)
The single biggest threat to animal health and welfare on sheep and goat farms that use pastures as a significant part of lamb and ewe nutrition (and doe and kid nutrition) is internal parasite infection.  Although for the past [...]

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Dr. William Shulaw, Extension Veterinarian, The Ohio State University
(Originally Published in Sheep Team Newsletter September 2007)
Although it is essential for sheep and goat producers to develop complementary strategies for sustainable parasite control, most will need to use chemical dewormers, at least occasionally or for selected animals, for the foreseeable future. When dewormers are used, [...]

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By William Shulaw, Extension Veterinarian, The Ohio State University
(Originally Published in Sheep Team Newsletter June 2007)
Recently an article on the detection of glyphosate resistance in giant ragweed in a neighboring state was sent by email to many of us in OSU Extension.  Glyphosate is the active ingredient of Roundup and several [...]

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By William P. Shulaw, Extension Veterinarian
(Originally Published in Sheep Team Newsletter October 2003)
In the April issue of the Sheep Team newsletter, we discussed drug resistant worms and the selection process that creates them in our sheep flocks. In that article we stressed the importance of knowing whether the products you are using are [...]

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By William Shulaw, DVM, Extension Veterinarian
(Originally Published in Sheep Team Newsletter September 2004)
In our last electronic newsletter article I wrote about using several approaches to monitor sheep and make some decisions for selective deworming.  One if these is the use of fecal egg counting techniques.  What do we mean by fecal egg counts (FECs)? [...]

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by William Shulaw, Extension Veterinarian
(Originally Published in Sheep Team Newsletter June 2004)
Seeing is believing, right? Most of us judge the success of our management or animal health programs by the results we observe. If we begin a vaccination program and no cases of the disease we are vaccinating for occurs, we may [...]

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by William P. Shulaw, Extension Veterinarian
(Originally Published in Sheep Team Newsletter April 2003)
Drug resistance has become a serious problem in the major sheep and goat rearing areas of the world. Resistance to all the chemical classes of dewormers has also been described in flocks of sheep and goats in the United States. Drug [...]

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