Special Report on Diseases of the 
Horse, by 
 
United States Department of Agriculture and Leonard Pearson and 
Rush Shippen Huidekoper and Ch. B. Michener and W. H. Harbaugh 
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Title: Special Report on Diseases of the Horse 
Author: United States Department of Agriculture Leonard Pearson 
Rush Shippen Huidekoper Ch. B. Michener W. H. Harbaugh 
Release Date: November 7, 2007 [EBook #23403] 
Language: English 
Character set encoding: ISO-8859-1 
*** START OF THIS PROJECT GUTENBERG EBOOK DISEASES 
OF THE HORSE *** 
 
Produced by Audrey Longhurst, Kevin Handy, Josephine Paolucci and 
the Online Distributed Proofreading Team at http://www.pgdp.net 
 
U. S. DEPARTMENT OF AGRICULTURE, BUREAU OF ANIMAL 
INDUSTRY.
A. D. MELVIN, CHIEF OF BUREAU. 
* * * * * 
SPECIAL REPORT 
ON 
DISEASES OF THE HORSE. 
BY 
Drs. PEARSON, MICHENER, LAW, HARBAUGH, TRUMBOWER, 
LIAUTARD, HOLCOMBE, HUIDEKOPER, MOHLER, EICHHORN, 
HALL, AND ADAMS. 
* * * * * 
REVISED EDITION, 1916. 
[Illustration] 
WASHINGTON: GOVERNMENT PRINTING OFFICE. 1916. 
 
DEPARTMENT OF AGRICULTURE, 
Washington, March 30, 1916. 
* * * * * 
Transcriber's note: The italic markup for single italized letters are 
deleted for easier reading. Minor typos have been corrected and 
footnotes moved to the end of the sections. 
* * * * * 
This edition of the Special Report on Diseases of the Horse has been 
prepared in compliance with House Concurrent Resolution No. 13,
passed February 3, 1916, as follows: 
Resolved by the House of Representatives (the Senate concurring), That 
there be printed and bound in cloth one hundred thousand copies of the 
Special Report on the Diseases of the Horse, the same to be first 
revised and brought to date, under the supervision of the Secretary of 
Agriculture; seventy thousand copies for the use of the House of 
Representatives and thirty thousand for use of the Senate. 
Since the original edition issued by the Department in 1890 several 
editions have been printed by order of Congress. The work was 
reprinted in 1896, and revised and reprinted in 1903, 1908, and 1911. 
In accordance with the foregoing resolution it again has been revised so 
as to embody the latest practical development of knowledge of the 
subject. 
D. F. HOUSTON, 
Secretary. 
 
CONTENTS. 
Page. 
The examination of a sick horse. By Leonard Pearson 7 
Fundamental principles of disease. By Rush Shippen Huidekoper 27 
Methods of administering medicines. By Ch. B. Michener 44 
Diseases of the digestive organs. By Ch. B. Michener 49 
Diseases of the respiratory organs. By W. H. Harbaugh 95 
Diseases of the urinary organs. By James Law 134 
Diseases of the generative organs. By James Law 164
Diseases of the nervous system. By M. R. Trumbower 210 
Diseases of the heart, blood vessels, and lymphatics. By M. R. 
Trumbower 247 
Diseases of the eye. By James Law 274 
Lameness. By A. Liautard 298 
Diseases of the fetlock, ankle, and foot. By A. A. Holcombe 395 
Diseases of the skin. By James Law 458 
Wounds and their treatment. By Ch. B. Michener 484 
Infectious diseases. By Rush Shippen Huidekoper 507 
Shoeing. By John W. Adams 583 
Index 607 
 
ILLUSTRATIONS. 
PLATES. 
Page. PLATE I. Inflammation 32 
II. Inflammation 32 
III. Digestive apparatus 48 
IV. Age of horses as indicated by teeth 58 
V. Intestinal worms 92 
VI. Bots 92 
VII. Position of the left lung 112
VIII. Longitudinal section through kidney 136 
IX. Microscopic anatomy of kidney 136 
X. Microscopic anatomy of kidney 136 
XI. Calculi and instrument for removal 152 
XII. Normal presentation 192 
XIII. Some factors in difficult labor 192 
XIV. Instruments used in difficult labor 192 
XV. Abnormal presentations 200 
XVI. Abnormal presentations 200 
XVII. Abnormal presentations 200 
XVIII. Abnormal presentations 200 
XIX. The nervous system 216 
XX. Interior of chest, showing position of heart and diaphragm 248 
XXI. Circulatory apparatus 248 
XXII. Diagrammatic vertical section through horse's eye 277 
XXIII. Skeleton of horse 304 
XXIV. Superficial layer of muscles 304 
XXV. Splint 312 
XXVI. Ringbone 312 
XXVII. Various types of spavin 312
XXVIII. Bone spavin 312 
XXIX. Bone spavin 312 
XXX. Dislocation of shoulder and elbow, Bourgelat's apparatus 360 
XXXI. The sling in use 360 
XXXII. Anatomy of foot 400 
XXXIII. Anatomy of foot 400 
XXXIV. Anatomy and diseases of foot 400 
XXXV. Sound and contracted feet 400 
XXXVI. Quarter crack and remedies 432 
XXXVII. Foundered feet 432 
XXXVIII. The skin and its diseases 458 
XXXIX. Mites that infest the horse 480 
XL. Glanders 544 
XLI. Glanders 544 
XLII. Glanders 544 
TEXT FIGURES. 
Page. FIG. 1. Ground surface of a right fore hoof of the "regular" form 
590 
2. Pair of fore feet of regular form in regular standing    
    
		
	
	
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