Chapter 214 Early Age Neutering in Dogs and Cats Michelle Anne Kutzler,     Corvallis, Oregon Pet overpopulation in the United States is an ongoing problem. Surgical removal of the gonads (gonadectomy) in…

Chapter 165 Pneumothorax Elizabeth A. Rozanski,     North Grafton, Massachusetts Erin Mooney,     Melbourne, Australia Pneumothorax is defined as free air in the pleural space. Normal intrapleural pressure is approximately −5 cm H2O, which means…

Web Chapter 77 Epiphora Charlotte B. Keller,     New Westminster, Canada Epiphora is defined as an overflow of tears from the conjunctival sac, as may occur with dysfunction of the lacrimal drainage…

Chapter 162 Pneumonia Rita M. Hanel,     Raleigh, North Carolina Bernie Hansen,     Raleigh, North Carolina Pneumonia can be categorized in several ways. In humans, it is most commonly classified by where or how…

Chapter 155 Rhinitis in Cats Lynelle R. Johnson,     Davis, California Vanessa R. Barrs,     Sydney, Australia Sneezing and nasal discharge in the cat can result from infectious, inflammatory, or neoplastic disease. The most…

Chapter 206 Endoscopic Transcervical Insemination Marion S. Wilson,     Levin, New Zealand Fiona K. Hollinshead,     Matamata, New Zealand In many species frozen-thawed semen must be deposited into the uterus rather than the vagina…

Chapter 270 Feline Bartonellosis Lynn F. Guptill,     West Lafayette, Indiana Bartonella spp. are fastidious, vector-transmitted, gram-negative bacteria in the α-2 Proteobacteria family Bartonellaceae. At least 24 named Bartonella spp. are highly…

Web Chapter 82 Canine and Feline Hemotropic Mycoplasmosis Séverine Tasker,     Bristol, United Kingdom Feline and canine hemotropic mycoplasmas (hemoplasmas) are small bacteria that reside on the surface of red blood cells…

Web Chapter 46 Canine Biliary Mucocele Heidi A. Hottinger,     Houston, Texas Biliary mucoceles (cystic mucinous hyperplasia, mucinous cholecystitis) rarely were reported in dogs before 1990 but have become one of the…

Chapter 84 Mammary Cancer Carolyn J. Henry,     Columbia, Missouri Mammary tumors are among the most commonly encountered neoplasms in female dogs and cats, consistently reported as one of the top three…