Pathogenic Organisms

• A pathogen is an organism that causes or can cause disease
• What are some considerations when dealing with infection?


  Causal factor, how the pathogen leaves, how the pathogen is transferred, how the pathogen enters a host
• Bacteria 


  Unicellular, prokaryotic, microscopic, reproduces asexually
• Types of bacteria?

  Mastitis, kennel cough, tuberculosis, salmonella, leptospirosis, tetanus, campylobacter, e.coli, streptococcus, staphylococcus
• Virus


  Simple structured, do not survive well outside host, protected within host cells, hard to treat, microscopic, reproduce by taking over cell's normal reproductive process
• Types of virus?

  Parvovirus, rabies, canine distemper virus, foot and mouth disease, flu, FIV, feline leukaemia, viral haemorrhagic disease, myxomatosis
• Fungi 


  Most non-pathogenic, yeasts are unicellular, moulds are multicellular, can be microscopic or like mushrooms, reproduce asexually
• Types of fungi?


  Ringworm, candida, dermatitis
• Protozoa


  Unicellular, eukaryotic, microscopic, animal like characteristics like feeding and movement, can reproduce sexually or asexually
• Types of protozoa?


  Coccidiosis, toxoplasma gondii, giardiasis