Luiz Sesti

IntroductionInfectious bronchitis virus (IBV) causes a highly contagious respiratory tract disease in chickens, Infectious Bronchitis (IB), and some strains are nephropathogenic.  It is possibly the most economically important viral respiratory disease of chickens in regions where there is no highly pathogenic avian influenza virus or velogenic Newcastle disease (vND) virus and is found every ...

IntroductionVelogenic Newcastle Disease (ND), a dreadful poultry disease caused by a paramyxovirus type-I (Newcastle Disease Virus - NDV), continues to be an important threat to the modern poultry industry all over the world (4). An effective control of ND consists primarily of good biosecurity practices, preventive vaccination of flocks and the culling of infected birds and birds at risk of being ...

IntroductionWith the growth of the poultry industry, avian salmonellosis became a limiting factor in poultry farms, in which can cause significant economic losses in all stages of production. Avian salmonellosis is the term that designates a large group of acute or chronic bird diseases caused by one or more bacteria of the genus Salmonella (Gast, 1997). These bacteria are rods from the Enterobact ...