Importance of Colibacillosis in Poultry | Chapter 5 | Research Perspectives of Microbiology and Biotechnology Vol. 1

Colibacillosis is any diseased condition caused by avian pathogenic E. coli, a Gram negative, non-acid-fast, uniform staining, and non-spore-forming bacillus. It is the most common, prevalent, and important bacterial disease of poultry in the world. E. coli produces toxins like endotoxin, enterotoxin, cytotoxin, hemolysins, hemagglutinins and virulence factors like adhesins. The common predisposing factors include mismanagement in humidity, temperature, ventilation and litter and immunosuppression. The sources of infection are contaminated feed, water and air while route of infection can be aerosol, oral, defected navel and infected egg with incubation period 5-7 days. It commonly causes Colisepticemia, Coligranuloma, Omphalitis, Salpingitis and Peritonitis, etc. Specific diagnosis can be done by identification, isolation and genotyping of E. coli. Suitable susceptible antibiotic can be used for treatment. Control of colibacillosis can be successfully done by proper management, vaccination and biosecurity protocol.

Author(s) Details:

Shaikh S. R.,
Department of Veterinary Clinical Medicine, College of Veterinary and Animals Sciences, MAFSU, Parbhani (MH), 431 402, India.

Siddiqui M. F. M. F.,
Department of Veterinary Clinical Medicine, College of Veterinary and Animals Sciences, MAFSU, Parbhani (MH), 431 402, India.

M. P. Sakhare,
Department of Veterinary Clinical Medicine, College of Veterinary and Animals Sciences, MAFSU, Parbhani (MH), 431 402, India.

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