(From Zajac, Anne M. and Conboy, Gary A. 2012. Veterinary Clinical Parasitology, 8th ed. Ames: Blackwell Publishing)

(From Zajac, Anne M. and Conboy, Gary A. 2012. Veterinary Clinical Parasitology, 8th ed. Ames: Blackwell Publishing)

(From Zajac, Anne M. and Conboy, Gary A. 2012. Veterinary Clinical Parasitology, 8th ed. Ames: Blackwell Publishing)

(From Zajac, Anne M. and Conboy, Gary A. 2012. Veterinary Clinical Parasitology, 8th ed. Ames: Blackwell Publishing)

(From Hendrix, Charles M. and Robinson, Ed. 2012. Diagnostic Parasitology for Veterinary Technicians, 4th ed. St.Louis: Mosby-Elsevier)

Ruminant tapeworm

Sheep whipworm

Also present is a larger Isospora oocyst (arrow). (From Zajac, Anne M. and Conboy, Gary A. 2012. Veterinary Clinical Parasitology, 8th ed. Ames: Blackwell Publishing)

(From Hendrix, Charles M. and Robinson, Ed. 2012. Diagnostic Parasitology for Veterinary Technicians, 4th ed. St.Louis: Mosby-Elsevier)

(From Hendrix, Charles M. and Robinson, Ed. 2012. Diagnostic Parasitology for Veterinary Technicians, 4th ed. St.Louis: Mosby-Elsevier)

Figure 4.10 Ancylostoma spp. (A), Toxocara canis (t) and Cystoisospora (I) (From Zajac, Anne M. and Conboy, Gary A. 2012. Veterinary Clinical Parasitology, 8th ed. Ames: Blackwell Publishing)

(right) Ixodes scapularis (Deer tick); (bottom) Dermacentor variabilis (American dog tick); (left) Amblyomma americanum (Lone star tick); (top) Rhipicephalus sanguineus (Brown dog tick) (From Zajac, Anne M. and Conboy, Gary A. 2012. Veterinary Clinical Parasitology, 8th ed. Ames: Blackwell Publishing)

(Wood tick/American dog tick)

(Rocky Mountain wood tick)

Sheep ked