Escherichia coli (E. coli) is a gram-negative bacillus and resident of the normal intestinal
microbiota. However, some E. coli strains can cause diseases in humans, other mammals …

Many pathogens that cause chronic diseases in birds use the respiratory tract as a primary
route of infection, and respiratory disorders are the main leading source of financial losses in …

The concept of improving animal health through improved gut health has existed in food
animal production for decades; however, only recently have we had the tools to identify …

Protozoa found in poultry are categorized within several taxonomic groups. Of the numerous
protozoans known from chickens, turkeys, and gamebirds, only a few flourish under …

The poultry industry is the largest source of meat and eggs for human consumption
worldwide. However, viral outbreaks in farmed stock are a common occurrence and a major …

Antimicrobial agents, especially antibacterial agents, are used throughout the world, across
a diverse array of extensive and intensive livestock production systems, to protect the health …

Pasteurella multocida is an enigmatic pathogen. It is remarkable both for the number and
range of specific disease syndromes with which it is associated, and the wide range of host …

In the last half century, significant attention has been given to animal diseases; however, our
understanding of disease processes and how to manage them at the livestock–wildlife …

Salmonella species are important zoonotic pathogens that cause gastrointestinal disease in
humans and animals. Poultry products contaminated with these pathogens are one of the …

The avian influenza A virus (AIV) is naturally prevalent in aquatic birds, infecting different
avian species and transmitting from birds to humans. Both AIVs, the H5N1 and H7N9 …