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Deworming.
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<blockquote data-quote="Ebenezer" data-source="post: 1786642" data-attributes="member: 24565"><p>A lot of problems here. FECs work well. They do represent only a part of a day in a cows life via the sample but I have never heard a large animal Vet require a centrifuged sample. Take a look at extension information and you will see that. In dogs and pet, there are some disconnects between reality and the cost of care. Not so much in commercially managed herds. </p><p></p><p>The goal is not to worm any more than need worming. Refugia in untreated (didn't need worming) will protect the worming products from becoming ineffective. In other words, the least used on the fewest animals - the better. The remaining population of parasites will have the least exposure to dewormers so that when worming is needed, the dewormer is effective. </p><p></p><p>Deworming is not eliminating internal parasites but controlling them. Over use, extra amounts, doubling up, worming all and whatever else we think might help actually hurts: the parasites become immune to the dewormers. A good example for cattle folks, like it or not, are sheep and goats. Almost all dewormers are now ineffective or only partially effective in most flocks in the US. Research in beef cattle has signaled the same growing issue. Same deal on flies: they grow immune. We can see that. We generally cannot see the worms.</p></blockquote><p></p>
[QUOTE="Ebenezer, post: 1786642, member: 24565"] A lot of problems here. FECs work well. They do represent only a part of a day in a cows life via the sample but I have never heard a large animal Vet require a centrifuged sample. Take a look at extension information and you will see that. In dogs and pet, there are some disconnects between reality and the cost of care. Not so much in commercially managed herds. The goal is not to worm any more than need worming. Refugia in untreated (didn't need worming) will protect the worming products from becoming ineffective. In other words, the least used on the fewest animals - the better. The remaining population of parasites will have the least exposure to dewormers so that when worming is needed, the dewormer is effective. Deworming is not eliminating internal parasites but controlling them. Over use, extra amounts, doubling up, worming all and whatever else we think might help actually hurts: the parasites become immune to the dewormers. A good example for cattle folks, like it or not, are sheep and goats. Almost all dewormers are now ineffective or only partially effective in most flocks in the US. Research in beef cattle has signaled the same growing issue. Same deal on flies: they grow immune. We can see that. We generally cannot see the worms. [/QUOTE]
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