282 PRINCIPLES OF ANIMAL NUTRITION. 
Nutrients Cee upper Total Fuel Value. 
. urnishe eats 0) Total er 
Kind of Food i t Gen. 
Material. seageoe yon oe eae ee in Avail: Per Grm. ile : 
100 Grms.| Grm. ‘Avail able Nu- hee Nutri- 
Total. able. trients. utrients.| “ots. 
Protein: Grms. Cals. |Per Cent.| Cals. Cals. Cals. 
Meats, fish, etc ...| 43.0 5.65 97 5.50 4.40 4.25 
Higgs! 3 4 sels 2 pidasel es 6.0 5.75 97 5.60 4.50 4.35 
Dairy products ...} 12.0 5.65 97 5.50 4.40 4.25 
Animal food....| 61.0 5.65 97 5.50 4.40 4.25 
Cereals .......... 31.0 5.80 85 4.95 4.55 3.70 
Legumes.......... 2.0 5.70 78 4.45 4.45 3.20 
Vegetables ....... 5.5 5.00 83 4.15 3.75 2.90 
Fruits ca coe esa 0.5 5.20 85 4.40 3.95 3.15 
Vegetable food .| 39.0 5.65 85 4.80 4.40 3.55 
Total food ..... 100.0 5.65 92 5.20 4.40 4.00 
Fat: 
Meat and eggs....} 60.0 9.50 95 9.00 9.50 9.00 
Dairy products ...} 32.0 9.25 95 8.80 9.25 8.80 
Animal food....} 92.0 9.40 95 8.95 9.40 8.95 
Vegetable food . 8.0 9.30 90 8.35 9.30 8.35 
Total food ..... 100.0 9.40 95 8.90 9.40 8.90 
Carbohydrates : 
Animal food.... 5.0 3.90 98 3.80 3.90 3.80 
Cereals .......... 55.0 4.20 98 4.10 4.20 4.10 
Legumes.......... 1.0 4.20 97 4.05 4.20 4.05 
Vegetables ....... 13.0 4.20 95 4.00 4.20 4.00 
PEULtS) 46-2, si8c0' 3 haters 5.0 4.00 90 3.60 4.00 3.60 
Sugars........... 21.0 3.95 . 98 3.85 3.95 3.85 
Vegetable food .| 95.0 4.15 97 4.00 4.15 4.00 
Total food ..... 100.0 4.15 97 4.00 4.15 4.00 
In each experiment the digestibility of the ration was deter- 
mined in the usual manner, and also the carbon of food, feces, urine, 
and respiration (including methane, etc.), and the nitrogen and 
heats of combustion of food, feces, and urine. 
The experiments 
were made with every precaution and extended over a sufficient 
length of time to ensure normal results. 
respiratory products were determined in four or five separate periods 
of twenty-four hours each. No such complete experiments with 
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In each experiment the 
