VMC 311: Systematic Veterinary Bacteriology and Mycology (2+1)

INTRODUCTION

• Escherichia coli organisms are small Gram-negative rods or cocco bacilli that are motile by peritrichous flagella.
• They are aerobic or facultatively anaerobic, ferment lactose, glucose, sucrose and xylose with gas production.
• They produce indole, but not H₂S.
• It causes
  • Neonatal diarrhoea, colisepticaemia, piglet meningitis, piglet diarrhoea in piglets.
  • Oedema disease in weaned pigs.
  • Mastitis – metritis – agalactia (MMA) syndrome in gilts after farrowing.
  • Omphalitis, colisepticaemia and coligranuloma in poultry.
  • White scours in calves.
  • Joint ill, Naval ill or Sleepy foal disease and Equine abortion in mare.
  • Fading puppy disease in new born puppies.