Introduction

INTRODUCTION
  • Avian Infectious Bronchitis (IB) is a contagious disease of birds due to a Coronavirus and causing important economic loss in chicken operations.
  • The infection was first described in 1931 in the USA as a respiratory disease of chicks.
  • The virus – IBV is a corona virus and is prevalent in all countries with an intensive poultry industry including India.
  • The infection has a significant economic impact; in broilers, production losses are due to poor weight gains, condemnation at processing and mortality.
  • In laying birds, losses are due to suboptimal egg production and downgrading of eggs
Last modified: Thursday, 30 September 2010, 4:49 AM