CHAPTER XXIV 
FEEDING HORSES AND MULES 
Feeding Standards for Horses.—The Wolff-Lehmann and the 
Kellner-Armsby standards are here given, to be followed in deter- 
mining the best rations for horses. 
The Wolff-Lehmann Standards for Horses, per 1000. Pounds Live Weight 
Digestible 
me Carbo- N.R 
Protein | hydrates 
and fat* 
Light work....| 20 1.5 10.4 | 1:7.0 
Medium work.| 24 2.0 12.4 | 1:6.2 
Heavy work...| 26 2.5 15.1 | 1:6.0 
*Given separately by Wolff-Lehmann. 
The Kellner-Armsby Standards for Horses 
A : . 3 
Digesuble Ener, ey || 
F values 
ence therms 
Maintenance requirements: 
For 1000-pound horse..... 1.0 7.00 
For 1250-pound horse..... 1.2 8.15 
For 1500-pound horse..... 1.3 9.2 
Requirements for 1000-pound 
horse, including mainte- 
nance: 
Light work.............. 1.0 9.8 
Medium work........... 14 12.4 
Heavy work............. 2.0 16.0 
Work Done by the Horse (Fig. 68).—The horse is kept for 
the production of work; this may be pulling a load or carrying a 
rider; in either case, the energy in the feed eaten over and above 
that necessary for the maintenance of the body is used for perform- 
ing the work required, in addition to moving his own body for- 
ward. The work is done by the contraction of his muscles, and 
the material stored up in. these from the digested and assimilated 
feed is oxidized in this process, If the oxidation of the materials 
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