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Old 09-15-2004, 07:03 PM
melissa68 melissa68 is offline
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Homer,

Do you know of any good 'how to' resources on the web about how to do fecals? Or any publications?

I have heard of some how tos from a couple sources, but thought it might be a good time to revisit this thread.

Thanks,

Melis

Quote:
Originally Posted by Homer
Quote:
Originally Posted by Arklier
Decent microscopes are expensive. One that's not a toy will run you several hundred dollars. If you're only going to be doing a few fecals, then it's better to get the vet to do it.
"Decent" microscopes will only run you $60-$120 used on ebay. If you know what you are looking for, you can get something that is far more than "decent" for that price.

You need a 'scope that will run somewhere between 40 and 400 x, preferably up to 1000 x . Almost all 'scopes will have a 10 x objective on the eyepieces, then will have multiple (usually 3) objectives below running at 40 x, etc. To get the actual magnification, you multiply the eyepiece objective power by the lower objective power (so using a 40 x objective with a 10 x eyepiece is 400 x = 400 power magnification). If you stick with decent brand names or old college equipment, you should do just fine.

I know in an earlier post I called them dissecting 'scopes, because we used 'scopes like these in a histology lab in college after dissecting tissue. However, the common dissecting scopes don't have nearly the power that are required to see the protozoans and other parasites you will be looking for.
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