PREFACE 
Iy the preparation of material for this book, the author 
has worked with a twofold purpose,—namely, to prepare a 
book which will serve as a text-book for agricultural students, 
and to place at the disposal of the busy farmer a reference book 
which will give him, in concise form, the findings of the best 
experiment stations in regard to the problems involved in the 
successful handling of swine. As to whether these objects have 
been attained, the public must be the judge. 
In the treatment of the different breeds of swine, and 
other topics where favoritism or partiality is possible, it has 
been the purpose of the writer to state the exact truth and give 
“both sides of the case.’ Where direct comparisons are ad- 
vantageous, they have been made without fear of criticism. 
Although the treatment of each topic is concise, it has 
been the desire to make the survey of the field as cosmo- 
politan as possible,—no single section of the country has been 
in the writer’s mind. 
No effort has been made to avoid the practical sides of 
the subject in order that a certain type of schools might prefer 
the book. On the other hand, the practical sides have been 
placed foremost, with the belief that all students as well as 
_ breeders should prefer to think of the subject in a practical 
way. An effort has been made, however, to treat the matter 
concisely and logically, and arrange the topics in order. The 
chapters have been grouped into seven parts to make them more 
easily referred to by both students and breeders. 
The review questions at the end of each chapter are given 
for the use of students who may not be thinking of the sub- 
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