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Wo rming ?
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<blockquote data-quote="Lucky_P" data-source="post: 788630" data-attributes="member: 12607"><p>Actually, what we've come to realize is that 'rotating' classes of wormers - as we've done in the past, is a misguided concept, that only serves to move us down the road toward resistance to all classes of wormers at a much faster pace.</p><p>Better to pick one class, stick with it until it no longer works on that herd/premise, then switch to another class, etc.</p><p></p><p>So... if the ivermectin-type dewormers are working for you, stick with them. If you get to a point where you think - or can prove, by doing fecal egg counts 7-10 days after 'deworming' - that it's no longer working, then switch to one of the other anthelminthic groups - panacur/valbazen, etc. or tramisol/rumatel, etc., and stick with that group 'til it no longer does the job.</p></blockquote><p></p>
[QUOTE="Lucky_P, post: 788630, member: 12607"] Actually, what we've come to realize is that 'rotating' classes of wormers - as we've done in the past, is a misguided concept, that only serves to move us down the road toward resistance to all classes of wormers at a much faster pace. Better to pick one class, stick with it until it no longer works on that herd/premise, then switch to another class, etc. So... if the ivermectin-type dewormers are working for you, stick with them. If you get to a point where you think - or can prove, by doing fecal egg counts 7-10 days after 'deworming' - that it's no longer working, then switch to one of the other anthelminthic groups - panacur/valbazen, etc. or tramisol/rumatel, etc., and stick with that group 'til it no longer does the job. [/QUOTE]
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