ILLUSTRATED STOCK DOCTOR. 
Ohio and Illinois ; of these Iowa contained 2,244,800 ; Ohio, 2,341,411 j 
and Illinois, 3,355,500 hogs. In 1878 there were p^ed in Chicago 
alone over 5,000,000 swine, or one-sixth the whole number raised in tho 
United States. 
Improved Breeds of Swine. 
To the India hog, the Chinese and the Neapolitan is due more than tO 
any other, the improvement in English breeds, and from those introduced 
into the United States are duo our own American breeds, that have now 
become unexcelled in any quarter of the globe for the purpose for which 
they are intended; early maturity, aptitude to fatten at any age, and 
ultimate weight of the mature animal. Of these the Chinese hog has 
given great fattening propensities. 
OLD CHINA BOAR. 
f 
. 
The illustration we give will show first, the appearance of the boar as 
known years ago, and on the next page the sow. This breed has had a 
very marked influence as one of the bases of the Poland-China breed of 
the present day, and is said to have been introduced in the West, in Ohio, 
in 1816. , , „ 
Civilization in China antedates that of all other nations. Hence 
it is quite probable that the systematic breeding of swine among that 
people antedates that of other ancient nations. This again is proved by 
the prepotency of the blood of this hog. It has formed the basis of 1U» 
