Chicken Diseases

Infectious Bursal Disease (IBD) is a highly contagious disease among young chickens less than 17 weeks of age and is also present in ducks and turkeys. Also called Gumboro disease, this viral disease is caused by an avibirnavirus called infectious bursal disease virus (IBDV). It can survive in different environmental conditions which makes it harder …

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Infectious bronchitis (IB) is considered the most the most contagious viral respiratory disease among chickens around the world and is caused by an avian coronavirus. The virus causes respiratory distress to chickens usually in winter or colder months. The mortality rate is low in uncomplicated cases but can reach 60 percent for complicated ones. Birds …

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Gapeworm is a parasitic infection caused by thin, red worms that reside in the trachea (windpipe) and lungs of infected birds, and feed on blood. Also called Syngamus trachea, this disease is commonly found in turkeys. However, it can also found in chickens, especially the younger ones because they have smaller trachea. After a chicken …

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Gallid alphaherpesvirus 1 (GaHV-1) is a highly infectious disease found in birds and chickens and causes the avian infectious laryngotracheitis (AILT) virus. This species of the virus was first recognized in Australia sometime in 1920 and later spread across the US. Nevertheless, it was less found in chickens in East Germany. Although the death rate …

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Fowl Typhoid is a bacterial disease caused by Salmonella gallinarum and affects mature birds, turkeys, and chickens around the world. Nevertheless, it also affects ducks, guinea fowl, pheasants, peafowl, and quail. Although this pullorum disease now rarely affects commercial poultry, it is still present in small poultry owners. Breeds with brown eggs tend to be more …

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Fowl Pox is a relatively slow-spreading viral infection of poultry birds, particularly turkeys and chickens, and is caused by the virus, avian poxvirus. Transmission of this disease is done from the infected chickens to the healthy ones through inhalation and ingestion of the virus. This usually happens when a new chicken is introduced to an …

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Fowl Cholera is an acute infectious disease found in avian species including waterfowl, turkeys, and chickens, and is caused by the bacterium, Pasteurella multocida. Also known as avian cholera, this bacterial disease has been recognized for more than 200 years worldwide. Outbreaks have resulted in thousands of lives, especially during the winter months. Transmission of …

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Erysipelas is a well-known infection caused by Streptococcus in humans and Erysipelothrix rhusiopathiae in animals, including pigs, turkeys, and chickens. This bacterium attacks the skin and is usually found in small scratches and open wounds. This bacterium can survive in the soil for a long time, depending on the temperature. Nevertheless, it also travels throughout …

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Coccidiosis is an intestinal disease caused by the protozoan parasite Coccidia and is being passed from one chicken to another through physical contact and ingestion of contaminated feces. It can also affect an entire flock of chickens in a very short time. The parasite damages the gut tissue and causes bleeding. Chickens under six months …

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Campylobacteriosis is an infectious disease that can affect mammals and birds, including ducks and chickens. This clinical illness is being transmitted from animals to humans through contaminated food, and meat, and carcasses during slaughtering. It is caused by Campylobacter, a spiral, gram-negative, and uniflagellate bacteria. These bacteria live in the intestines of healthy chickens and …

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