ayu dwi fitriani

IB is not the only primary cause of secondary infection of E.Coli. It is very difficult to confirm the diagnosis of IB, due to many serotypes and expensive serological testing methods.Other primary causes like Respiratory viruses ( other than IB), Mycoplasmosis, excess CO2 & Ammonia gases should not be neglected to control E.Coli.Respiratory system is one of the most important system of bird, ...