Avian colibacillosis in Morocco: Threatening multi-layered infection

Avian colibacillosis is the most frequent and among the most important bacterial infections in poultry pathology. They are probably the main cause of antibiotic treatment in farms and the emergence of resistant strains is a veterinary public health problem. The main way of entry of this infection is the respiratory and/ or genital tract. It affects essentially broiler chickens, causing serious damage and economic loss. In fact, they can lead to mortality, reduced performance and condemnation at slaughterhouses.In addition, the tools and strategies to control these diseases are very expensive. Most colibacillosis is secondary infection following viral, bacterial or parasitic infections. The importance of colibacillosis is mainly medical and economic. Colibacillosis can be classified into primary colibacillosis due to specific pathogenic colibacilli and colibacillosis secondary due to a viral or bacterial infection. The problem with colibacillosis lies in its impact, both economic and health. The emergence of increasingly resistant strains is of concern. The objective of this work is to draw up a bibliographical review on colibacillosis with a focus on pathology in Morocco.

 Keys word: Escherichia Coli, colibacillosis, poultry, antimicrobial resistance, Morocco