Mycotoxins and mycotoxicoses
Chapter 44 Mycotoxins and mycotoxicoses Although moulds can grow on a wide range of organic matter including growing crops and stored feed, those of greatest significance in veterinary medicine produce…
Non-spore-forming anaerobes
Chapter 15 Non-spore-forming anaerobes The non-sporing obligate anaerobes constitute a large, diverse group of Gram-positive and Gram-negative bacteria that exist in the environment but also as commensals on mucous membranes…
Pseudomonas, Burkholderia and Stenotrophomonas species
Chapter 18 Pseudomonas, Burkholderia and Stenotrophomonas species Genus Characteristics The genus Pseudomonas was originally organized into five major species clusters (rRNA homology groups). However, this classification has undergone revision and…
Fungi causing subcutaneous mycoses
Chapter 43 Fungi causing subcutaneous mycoses The subcutaneous mycoses are all transmitted in a similar manner. Fungi that are normally saprophytes in soil, vegetable debris, water or on plants become…
Actinobacillus species
Chapter 20 Actinobacillus species Genus Characteristics The genus Actinobacillus is within the Pasteurellaceae family, along with genera such as Pasteurella, Haemophilus, Histophilus and Mannheimia. The genus consists of many species…
Listeria species
Chapter 12 Listeria species Genus Characteristics The genus Listeria belongs to the Listeria-Brochothrix family which is a subline within the Clostridium subdivision. Six species form the genus Listeria: L. monocytogenes,…
The dimorphic fungi
Chapter 41 The dimorphic fungi The dimorphic fungi present two growth forms, a mould when growing saprophytically in the environment or when on culture media at 25–30°C, and a yeast…
Rhabdoviridae
Chapter 63 Rhabdoviridae Rhabdoviruses are named from the Greek word rhabdos meaning rod which refers to their distinctive morphology. The family Rhabdoviridae along with the families Paramyxoviridae, Bornaviridae and Filoviridae…
Poxviridae
Chapter 51 Poxviridae The name pox is derived from an old English word ‘poc’ which means a vesicular skin lesion. Poxviral diseases typically affect the skin. Poxviruses are among the…
Chlamydiales
Chapter 33 Chlamydiales This large group of obligate intracellular bacteria is characterized by a unique, biphasic developmental cycle involving replication in cytoplasmic inclusion vacuoles within eukaryotic cells (Fig. 33.1). The…
