Introduction to Veterinary Mycology
Chapter 44 Introduction to Veterinary Mycology Fungal diseases of nonhumans were reported nearly two centuries ago, and among the first was infection by Beauveria bassiana, a fungal pathogen of silkworms…
The Subcutaneous Mycoses
Chapter 46 The Subcutaneous Mycoses Subcutaneous mycoses comprise a broad range of infections that involve the deeper layers of the skin, muscle, bone, or connective tissue. Common themes include typical…
The Genera Listeria and Erysipelothrix
Chapter 10 The Genera Listeria and Erysipelothrix Members of the genera Listeria and Erysipelothrix are gram-positive, non–spore-forming, facultatively anaerobic rods. Listeria monocytogenes are small coccoid rods that occur frequently in…
The Genus Brachyspira
Chapter 29 The Genus Brachyspira The family Spirochaetaceae contains pathogens in the genera Treponema and Borrelia (see Chapter 32), and Brachyspira. Many species of Brachyspira were formerly in the genus…
The Genera Moraxella and Neisseria
Chapter 21 The Genera Moraxella and Neisseria Members of the genera Moraxella and Neisseria are found on the skin, mucous membranes, and conjunctivae of mammals. The majority of these organisms…
The Genera Streptococcus and Enterococcus
Chapter 5 The Genera Streptococcus and Enterococcus THE GENUS STREPTOCOCCUS Streptococci are gram-positive, facultatively anaerobic, catalase negative, non–spore-forming, nonmotile spherical bacteria. Cell division in a single plane leads to formation…
The Genus Bacteroides
Chapter 35 The Genus Bacteroides Gram-negative anaerobic, non–spore-forming bacteria of veterinary importance are in the genera Bacteroides (the subject of this chapter) and Fusobacterium, Prevotella, Porphyromonas, and Dichelobacter (covered in…
The Genera Chlamydia and Chlamydophila
Chapter 41 The Genera Chlamydia and Chlamydophila Members of the order Chlamydiales are gram-negative obligate intracellular bacterial pathogens that parasitize hosts from humans to amebae. The family Chlamydiaceae has recently…
The Genus Yersinia
Chapter 17 The Genus Yersinia Yersiniae are oxidase-negative, facultatively anaerobic, catalase-positive, gram-negative rods, members of the family Enterobacte-riaceae. The genus contains seven species, including Yersinia pestis, the causative agent of…
The Genera Mannheimia and Pasteurella
Chapter 23 The Genera Mannheimia and Pasteurella Mannheimia and Pasteurella are members of the class α-Proteobacteria, order Pasteurellales, family Pasteurellaceae, that contain small, facultatively anaerobic, nonmotile, gram-negative rods or coccobacilli…
