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Neurocysticercosis manifests with various signs and symptoms, influenced by the location, number of lesions, and immune response. While some people may have no symptoms, others may experience seizures, increased pressure in the skull, cognitive impairment, or specific neurological problems. In severe cases, the condition can be life-threatening.
Poultry diseases occur in poultry, which are domesticated birds kept for their meat, eggs or feathers. [1] Poultry species include the chicken , turkey , duck , goose and ostrich . [ 1 ]
The clinical signs of disease are caused by an increased vascular permeability and consequent oedema and hypovolemia. The symptoms include neurological signs such as tremors and head pressing, respiratory signs such as coughing and nasal discharge, and systemic signs such as fever and loss of appetite.
Virulent Newcastle disease (VND), formerly exotic Newcastle disease, [1] is a contagious viral avian disease affecting many domestic and wild bird species; it is transmissible to humans. [2] Though it can infect humans, most cases are non-symptomatic; rarely it can cause a mild fever and influenza-like symptoms and/or conjunctivitis in humans.
[3] [2] A specific form called neurocysticercosis, which affects the brain, can cause neurological symptoms. [2] In developing countries this is one of the most common causes of seizures. [2] Cysticercosis is usually acquired by eating food or drinking water contaminated by tapeworms' eggs from human feces. [1]
Marek's disease is a highly contagious viral neoplastic disease in chickens. It is named after József Marek , a Hungarian veterinarian who described it in 1907. Marek's disease is caused by an alphaherpesvirus known as "Marek's disease virus" (MDV) or Gallid alphaherpesvirus 2 (GaHV-2). [ 2 ]
Dermanyssus gallinae (also known as the red mite) is a haematophagous ectoparasite of poultry.It has been implicated as a vector of several major pathogenic diseases. [1] [2] Despite its common names, it has a wide range of hosts including several species of wild birds and mammals, including humans, where the condition it causes is called gamasoidosis.
Infectious bursal disease (IBD), also known as Gumboro disease, infectious bursitis, and infectious avian nephrosis, is a highly contagious disease of young chickens and turkeys caused by infectious bursal disease virus (IBDV), [1] characterized by immunosuppression and mortality generally at 3 to 6 weeks of age.