* 
CHAPTER XXV 
FEEDING SWINE 
Feeding Standards for Swine.—Standards for feeding swine 
have been established by Wolff-Lehmann. as given in the following 
table: 
The Wolff-Lehmann Standards for Swine, per 1000 Pounds Live Weight 
Digestible 
Age, | Weight, To. 
months pounds matier Protein ees ic 
and fat* 
Brood sows, with pigs...) .... on 22 2.5 16.4 1:6.6 
Fattening swine— : 
First period ......... ee re 36 4.5 26.6 1:5.9 
Second period........ Pe ee eee 32 4.0 25.1 1:6.3 
oo period......... Bae sieke 25 2.7 18.9 1: 7.0 
es 
i ea 2-3 50 | 44 7.6 | 303 | 1:40 
; 3-5 100 35 48 | 241 1: 5.0 
Breeding stock......4| 5-6 120 32 - 3.7 22.2 1:6.0 
6-8 200 28 2.8 19.4 1:7.0 
8-12 250 25 2.1 15.8 1:7.5 
2-3 50 44 7.6 30.3 1:4.0 - 
A Les 3-5 100 35 5.0 24.9 1: 5.0 
Fattening stock..... 4} 5-6 150 33 4.3 23.7 1:5.5 
6-8 200 30 3.6 21.4 1: 6.0 
8-12 300 26 3.0 19.0 1:6.4 
* Given separately by Wolff-Lehmann. 
Feed Requirements of Swine.—Next to the dairy cow, the 
hog is the most economical producer of human food materials among 
our farm animals, and it stands close to the cow in this respect. 
Jordan has shown that 100 pounds digestible organic nutrients 
in the ration produce. the following amount of edible solids in 
the form of the various animal products: 
Milk, 18 pounds. 
Pork, 15.6 pounds. 
Veal, 8.1 pounds. 
Poultry or eggs, 3.5 pounds to 5.1 pounds. 
Beef, 2.75 pounds. , 
Mutton, 2.60 pounds.’ 
While these are only average figures, and may not hold true in 
individual cases, they show that the hog has a wonderful capacity 
1« Thé Feeding of Animals,” p. 405. 
294 
