Omphalitis In Poultry Dr Surinder Khanna, International poultry consultant, Chandigarh. Omphalitis, also known as yolk_sac_infection, Nevel ill and “‘ Mushy Chicks Disease”. It is the main infectious cause of death in newly hatched chicks, during their first week of life. It is most commonly caused by infection with Escherichia coli bacteria (approximately 70% of cases). … Continue reading Omphalitis In Poultry