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# Medication is 64mg/gallon How can I measure 64mg of powder? - Page 2

Quote:
Originally Posted by Yrat

Quote:
Originally Posted by casportpony

The package weighs 40 grams and the label says it will make 250 gallons medicated at 64mg, so it's 40 grams divided by 250 gallons = 0.16 grams per gallon. One teaspoon probably weighs 2.5 to 3.3 grams. It's your lucky day, 'cause I happen to have a pack of this that I acquired for my powder weighing experiment, so I will go weigh some. Best guess is that the per gallon dose will be about 1/16 teaspoon per gallon, but I'll go weigh it right now.

-Kathy

40 g in 250 gal is indeed 0.16 g/gal, but that's 160 mg, not 64 mg, so something is not adding up.

2.5 to 3.3 grams is a 33% difference!  That's a large error to be working with, but it probably won't make any difference in the end unless it's a very powerful med.

It's not adding up because there are only 16 grams of lincomycin in that 40 grams. Just weighed it, and it's much denser than the other powders that I've weighed, it's 3.6 grams per teaspoon.

-Kathy

Edited by casportpony - 2/18/16 at 11:03am

# The experiment:

One level 1/8 teaspoon

the amount you need per gallon

-Kathy

It makes 250 gallons for swine- 500 for poultry! The bag also says it contains 32g of lincomycin, but the total weight of the bag is 80 grams -so it has some kind of filler - I guess to make it easier to measure...
Quote:
Originally Posted by amyduck

It makes 250 gallons for swine- 500 for poultry! The bag also says it contains 32g of lincomycin, but the total weight of the bag is 80 grams -so it has some kind of filler - I guess to make it easier to measure...

It's bigger, that's all. Powder will still weigh the same amount, so it's 80 grams divided by 500 gallons = 0.16 grams per gallon. Dose per gallon is a little less 1/16 teaspoon.

-Kathy

Anyone, please feel to correct me if I have made an error of any type!

Yes that's the bag- so just to make sure - that's the chicken dosage/g not the one for swine?

Haven't had enough coffee yet, so correct me if I'm wrong...

32 grams = 32,000 mg

32,000 / 80 grams = 400 mg per gram

64 mg / 400 mg per gram = 0.16 grams.

0.16 grams per gallon is the poultry dose using either package.

-Kathy

Quote:
Originally Posted by amyduck

Yes that's the bag- so just to make sure - that's the chicken dosage/g not the one for swine?

Swine get much more of the powder. Swine get 250 mg per gallon, not 64 mg per gallon.

-Kathy

Yeah - I know coffee helps! So yes, it makes sense- so to be more accurate I might make 2gallons and refrigerate one - unless the instructions say otherwise... Maybe it's not so bad to eyeball half an 1/8 of a teaspoon! Strong stuff! I ended up putting in a very small pinch in 1 gallon of water this morning...
Thanks again!
Edited by amyduck - 2/18/16 at 12:07pm

What is the medication for?

NPIP 43-813

“Travel is fatal to prejudice, bigotry, and narrow-mindedness, and many of our people need it sorely on these accounts.

Broad, wholesome, charitable views of men and things cannot be acquired by vegetating in one little corner of the earth all one's lifetime.”                  Mark Twain

NPIP 43-813

“Travel is fatal to prejudice, bigotry, and narrow-mindedness, and many of our people need it sorely on these accounts.

Broad, wholesome, charitable views of men and things cannot be acquired by vegetating in one little corner of the earth all one's lifetime.”                  Mark Twain

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BackYard Chickens › BYC Forum › Raising BackYard Chickens › Emergencies / Diseases / Injuries and Cures › Medication is 64mg/gallon How can I measure 64mg of powder?