Wound infections in animals are polymicrobial, with a broad mixture of aerobic
and anaerobic organisms. Bacteria recovered from infected wounds most
often originate from the environment, including soil, plants, dust, and manure
contaminating injured soft tissues, are part of the skin microbiome and may
also reflect the microflora of the biting animals. Pure anaerobic growth is
among rare cases. The most common causative organisms staphylococci,
streptococci, enterococci and Pseudomonas aeruginosa. Surgical site infections
are among nosocomial cases in dogs and cats. and the concern in veterinary
clinics is the growing number of multidrug-resistant pathogens. Organisms
such as methicillin-resistant staphylococci, extended spectrum β-lactamase
Enterobacteriaceae and multi-drug resistant Enterococcus, Acinetobacter and
Pseudomonas spp., are among the serious practical concerns. Apart from local
ailment, systemic, wounds originated bacterial infections, can develop: tetanus,
malignant oedema, footrot. This paper aims at the presentation of major and often
recognized organisms that may cause severe health problems to injured animals.