Major and Common Diseases In Chicken

Major and Common Diseases In Chicken 1. Newcastle Disease (ND) About the Disease: Newcastle Disease is a highly contagious viral illness caused by the Newcastle Disease Virus (NDV), affecting poultry and other bird species. It can cause severe respiratory, digestive, and nervous system issues, with high mortality rates. Strains vary in severity: Lentogenic : Mild Mesogenic : Moderate Velogenic : Severe and often fatal Vaccine: Live vaccines (Lentogenic strains like LaSota, B1) for broilers. Inactivated vaccines for layers and breeders for long-term immunity. Chicks usually vaccinated at 7–14 days with boosters as needed. Symptoms: Respiratory: Coughing, sneezing, nasal discharge, labored breathing. Digestive: Greenish watery diarrhea, loss of appetite, weight loss. Neurological: Twisted neck (torticollis), paralysis of wings/legs, tremors, circling. Other: Sudden drop in egg production, thin/misshapen eggs, lethargy, high mortality in velogenic strains. Anti...