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Helminths of Domestic Equids
Illustrated Keys to Genera and Species with Emphasis on North American Forms
J. RALPH LICHTENFELS (Drawings by ROBERT B. EWING)
Animal Parasitology Institute, Beltsville Agricultural Research Center,
ARS, USDA, Beltsville, Maryland 20705
TABLE OF CONTENTS
DEDICATION
ABSTRACT
I. GENERAL INTRODUCTION
II. MATERIALS AND METHODS
III. OUTLINE CLASSIFICATION OF HELMINTHS OF DOMESTIC EQUIDS, THEIR GEOGRAPHIC DISTRIBUTION, PREVALENCE, LOCATION IN HOST, AND SYNONYMS
IV. NEMATODA PARASITIC IN DOMESTIC EQUIDS
A. Introduction
B. History and Comparison of Classification Schemes
C. Key to Genera
D. Keys to Species
Cyathostomum
Cylicocyclus
Cylicodontophorus
Cylicostephanus
Poteriostomum
Triodontophorus
Strongylus
Micronema
Habronema
Onchocerca
E. Larvae and Life History of Nematoda Parasitic in Equids
F. Microfilariae
Key to Microfilariae of Equids
V. CESTODA PARASITIC IN DOMESTIC EQUIDS
A. Key to Species
VI. TREMATODA PARASITIC IN DOMESTIC EQUIDS
A. Key to Genera
VII. UNUSUAL, ACCIDENTAL, OR OCCASIONAL HELMINTHS OF DOMESTIC EQUIDS
VIII. HELMINTHS FROM ZEBRAS THAT Do NOT ALSO OCCUR IN OTHER EQUIDS
IX. ACKNOWLEDGMENTS
X. LITERATURE CITED
XI. ALPHABETIC INDEX OF GENERA, SUBGENERA, SPECIES, AND SUBSPECIES; INCLUDING SYNONYMS
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