HELP! Can anyone tell me how to calculate the carbs in dry food? It's like trying to figure out the theory of relitivity! At least the sites I've seen are so complicated. I am becoming discouraged!! Thanks for any help you can give me.
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Calculating carbs in dry food
- Thread starter farleyv
- Start Date
Taken from: Your Cat: Simple Secrets to a Longer, Healthier Life
author: Elizabeth M. Hodgkins D.V.M
Add all of the listings from protein through ash (don't add the nutrients like calcium, etc), then subtract from 100 to get carbs.
example: Protein = 9.5, Fat = 5, Fiber = 0.8, Moisture equal 75, Ash = 2.0....Total = 92.3% leaving 7.7% carbs.
However, that needs to be converted over to dry matter....which is done by taking 7.7% and diving it by .25(because this canned food is 25 percent dry matter, 75% moisture) which gives us 31% carbs in the above wet food example.
Hope that helps.... I tell ya, it is a real eye opener once you start doing it
(it is the same for dry food..... according to the book, this method is not 100% accurate, but pretty darn close).
author: Elizabeth M. Hodgkins D.V.M
Add all of the listings from protein through ash (don't add the nutrients like calcium, etc), then subtract from 100 to get carbs.
example: Protein = 9.5, Fat = 5, Fiber = 0.8, Moisture equal 75, Ash = 2.0....Total = 92.3% leaving 7.7% carbs.
However, that needs to be converted over to dry matter....which is done by taking 7.7% and diving it by .25(because this canned food is 25 percent dry matter, 75% moisture) which gives us 31% carbs in the above wet food example.
Hope that helps.... I tell ya, it is a real eye opener once you start doing it
(it is the same for dry food..... according to the book, this method is not 100% accurate, but pretty darn close).
- Thread Starter Thread Starter
- #3
I knew it was on her site, but my computer wouldn't let me access the info. The kitten food I am feeding my mother and 2 babies is 37% carbs. I only give it once a day and feed wet other than that. They can say goodby to it now! It does not even list ash in the guaranteed analysis. It is so stressful trying to find a health dry food, but I have to switch over its becoming way to expensive with 11 cats. Going to look into TOTW and a few other brands that I can get here. Of course my diabetic will still have to be separated and fed wet. But I love them and will do my best by them or die trying! Thanks again.
np
I didn't know she had a site.... can you pm me the link if you don't mind? (I'll google it, but just in case I don't find it)
The only website I found associated with Elizabeth Hodgkins, DVM is
http://all-about-cats.com/your_cat.htm
Her book is Your Cat. Is this her site or is there another ?
http://all-about-cats.com/your_cat.htm
Her book is Your Cat. Is this her site or is there another ?
Duhhhhh
If I'm allowed to post it: www.yourcatbook.com which brings you to the link posted above in the quote....
The site definately does not compare to the book.... It does have some articles, but not near as much info on nutrition.
you want food that has the lowest carbs correct? trying to find a good dry food to feed because a few of my barn cats are getting a bit overwieght. So far Nature's Variety Chicken, Wellness CORE, or EVO are the winners.
Oh my goodness! I'm sitting here trying to figure this out and I'm okay until I get to the dry matter stuff. Then I'm completely lost. Do you know of a calculator that you can just enter these amounts and it will figure it for you? I must be a complete dunce because I'm not getting this!
Yes
This is a calculator that will open excel, if you're on a computer and want to save the file:
For Excel 2010: http://catcentric.org/wp-content/uploads/2011/10/DMB-Calculator.xlsx
For Excel 2003 - 2007 http://catcentric.org/wp-content/uploads/2012/01/Frankenprey-Calculator-Excel-97-2003.xls
An online calculator: http://www.scheyderweb.com/cats/catfood.html
Many of the "guaranteed analysis" informational thingies do not provide the ash content. You can assume that in canned food it is 1.5% to 2.5%, and in dry food, you won't be far off if you assume it is 8% (though it ranges from 7% - 11%).
Here's another (more current) thread discussing the issue, with more links and info: http://www.thecatsite.com/t/263255/carb-content-in-kibble
If you want to look up the carb content of canned foods, Dr. Pierson has put together an extensive list with the information based on the Average Nutritional Analysis, which is far more accurate than the guaranteed analysis: http://www.catinfo.org/docs/FoodChartPublic9-22-12.pdf
This is a calculator that will open excel, if you're on a computer and want to save the file:
For Excel 2010: http://catcentric.org/wp-content/uploads/2011/10/DMB-Calculator.xlsx
For Excel 2003 - 2007 http://catcentric.org/wp-content/uploads/2012/01/Frankenprey-Calculator-Excel-97-2003.xls
An online calculator: http://www.scheyderweb.com/cats/catfood.html
Many of the "guaranteed analysis" informational thingies do not provide the ash content. You can assume that in canned food it is 1.5% to 2.5%, and in dry food, you won't be far off if you assume it is 8% (though it ranges from 7% - 11%).
Here's another (more current) thread discussing the issue, with more links and info: http://www.thecatsite.com/t/263255/carb-content-in-kibble
If you want to look up the carb content of canned foods, Dr. Pierson has put together an extensive list with the information based on the Average Nutritional Analysis, which is far more accurate than the guaranteed analysis: http://www.catinfo.org/docs/FoodChartPublic9-22-12.pdf
Thank you!! You have made my search a little easier.
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