
Should You Vaccinate Your Backyard Chickens? What is Marek’s Disease and How Does it Impact Your Backyard Chickens? Can Fowlpox Threaten Your Backyard Chickens? Can Infectious Laryngotracheitis Threaten Your Chickens? Newcastle disease is a very serious virus that can affect backyard chickens. Fortunately, there are vaccines available that will reduce the risk of infection. They are typically given to chicks when they are between 14 and 21 days old. The vaccine is given to the chickens in water and is repeated every two weeks or 90 days on commercial poultry farms. Infection with this virus can cause a variety of symptoms, including coughing, sneezing, depression, drooping wings, and paralysis.
Should You Vaccinate Your Backyard Chickens?

