THE REALITIES ABOUT POULTRY The Modern Farm - The Realities About Poultry_Seco | Page 101

(7) Mycoplasmal Diseases Mycoplasmas are not classified as bacteria or viruses, but as Pleuro-pneumonia-cocci-like organisms (PPLO). These are primarily associated with Chronic Respiratory Disease (CRD), a complex syndrome caused by Mycoplasma gallisepticum in partnership with bacteria (often E. coli), fungi and viruses (often Infectious Bronchitis). M. gallisepticum can be transmitted through the egg. Multi-age flocks, nutritional deficiency and water deprivation are important factors in the epidemiology of the disease in rural poultry flocks. Bacterial Diseases (8) Fowl Cholera (Avian Pasteurellosis) Page 100 of 163