430 THE BREEDS OF LIVE-STOCK 



Duroc-Jersey Swine Breeders' Association was organized 

 in 1883, but it was not incorporated until 1888. The first 

 herd-book was published in 1885, and forty-one volumes 

 have been issued since, containing 108,000 registrations. 

 The National Duroc-Jersey Record Association was organ- 

 ized in 1891, and published its first herd-book in 1893. It 

 has published forty-eight volumes to date, containing 

 314,000 registrations. In Canada, Duroc- Jerseys are re- 

 corded in the Dominion Swine Breeders' Record. 



Literature. "The Duroc Bulletin" is a semi-monthly paper 

 published at Peoria, Illinois, in the interests of Duroc-Jersey swine. 



CHESTER-WHITE SWINE. Fig. 89. 

 By G. E. Day 



523. The Chester-White is an American breed of swine 

 of the fat- or lard-hog type, but possessing good bacon 

 qualities. It ranks with the three other great lard 

 breeds. 



524. History. Most authorities on this breed recog- 

 nize three strains of Chester-White swine, the origin of 

 which may be briefly summed as follows : 



(1) The original Chester-White founded in Chester 

 county, Pennsylvania, whence the name. Large, white 

 pigs were common in Chester county many years ago. 

 They were taken there by the earliest settlers, although 

 just where these original pigs came from is not altogether 

 clear. About the year 1818, Captain James Jeffries im- 

 ported from England a pair of white pigs, which are spoken 

 of as Bedfordshire pigs, and as Cumberland pigs. Captain 

 Jeffries used the boar on the native white pigs of the dis- 



