Ranikhet disease, also known as Newcastle disease, is a highly contagious viral disease that primarily affects birds, especially poultry like chickens, turkeys, and ducks. It is caused by the Newcastle disease virus (NDV), which attacks the respiratory, nervous, and digestive systems of birds. Symptoms vary depending on the age of the affected birds. Common symptoms include sneezing, gasping, droopiness, and respiratory distress. In severe cases, it can lead to high mortality rates. The disease can be managed by strict sanitation and vaccination.
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