PREFACE. 



As economical producers of those prime neces- 

 sities of civilized man, good food and good cloth- 

 ing, sheep are destined to increase in numbers, 

 and sheep raising to speedily attain and maintain 

 a more important place in the animal industry of 

 this country. Moreover, it being also a fact that 

 of all domesticated animals sheep possess the 

 least natural resistance to disease and particularly 

 to parasitism, one may readily appreciate the 

 importance of skilled veterinary service for the 

 welfare of the sheep industry, now after more than 

 a century's existence in this country, only at the 

 threshold of its development. 



It is unnecessary to emphasize the need for 

 works dealing authoritatively with disease as it 

 occurs in sheep and its treatment. That need is 

 acutely realized by most veterinary practitioners. 

 It is hoped that this treatise will to a degree 

 meet the requirements of the searcher for practi- 

 cal information on this subject. 



The major portion of the contents of this vol- 

 ume has been gathered from the field of experi- 

 ence and is presented solely from the viewpoint 

 of the practitioner. To conserve the health and 

 prevent disease among our flocks is a gigantic 

 task, and one worthy of the highest attainments. 

 To this task, in his limited field, have been de- 

 voted the best efforts of the writer, throughout 

 the greater part of his veterinary experience. 



Moscow, Idaho. 

 September, 1916. 



E. T. BAKER. 



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