How to Calculate Calorie Requirements? - Page 2 - German Shepherd Dog Forums
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post #11 of 14 (permalink) Old 05-27-2009, 02:31 PM
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Location: Portland, Oregon
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Re: How to Calculate Calorie Requirements?

So are kilograms only a weight measurment?
When comparing foods could we use the kcal per kilogram rather than per cup?

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post #12 of 14 (permalink) Old 05-27-2009, 02:52 PM
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Re: How to Calculate Calorie Requirements?

Kilograms is a weight measurement.

I feed Orijen adult, the bag says:

CALORIE CONTENT & DISTRIBUTION - 4200 kcal/kg (483 kcal per 250ml cup)

So 4200kcal/kg refers to calorie content in each kg of food, or they give the 483 kcal per 250ml cup. I feed 3.5cups/day. But 250ml is really 1.055 US cups. Orijen is Canadian.

so 483kcal/250ml x 1ml/0.004226752 US cups = 457kcal/US cup.

I feed my 75lb. dog 3.5cups so that is 1600kcal/day.

(g/cups per day)
1-10 kg/2-22 lb 75-150g / ¾ - 1¼ c 55 - 115 g / ½ - 1 c
10-20 kg/22-45 lb 150-275g / 1¼ - 2¼ c 115 - 200 g / 1 - 1¾ c
20-35 kg/45-75 lb 275-375g / 2¾ - 3¾ c 200 - 275 g / 1¾ - 2½ c
35 - 50 kg/75-110 lb 375 - 500g / 3¾ - 5 c 275 - 400 g / 2½ - 3½ c
50 - 65 kg/110-145 lb 500 - 575 g / 5 - 5¾ c 400 - 525 g / 3½ - 4¾ c
65 - 80 kg/145-175 lb 575 - 675 g / 5¾ - 6¾ c 525 - 690 g / 4¾ - 6 c

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post #13 of 14 (permalink) Old 05-27-2009, 04:01 PM Thread Starter
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Re: How to Calculate Calorie Requirements?

So it would now seem that in addition to Nutrition classes to decipher the ingredients, I also need Math classes to figure the calories. And then also Mind Reading classes so I know which one Boss think's he would like to eat.

I think I will just buy whichever one has the prettiest bag
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post #14 of 14 (permalink) Old 05-27-2009, 06:18 PM Thread Starter
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Re: How to Calculate Calorie Requirements?

Just ran a test of the 3 bags I have sitting here and I think I now maybe get the density thing mentioned in the other "cup thread".

EVO Chicken - Small Bites
4243 Kcal/kg
537 Kcal/cup
1 Cup=4.40 oz (124 g)
Test of 1 dry measuring cup on scale did show 4.40 oz (124 g)

Innova Red Meat - Large Bites
3914 Kcal/kg
468 Kcal/cup
1 Cup=8 oz fluid (237 ml)
Started to measure weight until I noticed they indicate a fluid cup so they must just want the volume measurement used, which is pretty close to 1 dry measuring cup for my purpose

Taste of the Wild
3719 Kcal/kg
370 Kcal/cup
Standard Measuring Cup
They keep it simple - 1 standard measuring cup

So I came to the conclusion, in this case, I could continue to scoop with my dry measuring cup and add up the calories BUT did notice this is where the kibble shape/density came in. The EVO Small Bites packed tight in the cup with very little air space compared to the other 2 larger kibble shapes. So a dog might eat 4 cups of the larger kibble to reach a certain full feeling and only be able to eat 3 cups of the smaller kibble before saying "No Thanks, I'm Stuffed".
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