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Tremovirus is of economic importance to chicken farmers because it causes a drop in egg production in laying hens, and neurological diseases in chicks less than three weeks old. The domestic host is the chicken, but it can also infect partridge, turkeys, quail, guineafowl, and pheasants. It has a worldwide distribution. [4]
A 2004 study by the U.S. magazine Consumer Reports reported "no detectable arsenic in our samples of muscle" but found "A few of our chicken-liver samples has an amount that according to EPA standards could cause neurological problems in a child who ate 2 ounces of cooked liver per week or in an adult who ate 5.5 ounces per week." The U.S. Food ...
There is a high frequency of skeletal problems in broilers, mainly in the locomotory system, including varus and valgus deformities, osteodystrophy, dyschondroplasia and femoral head necrosis. [1] These leg abnormalities impair the locomotor abilities of the birds, and lame birds spend more time lying and sleeping. [ 5 ]
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]
Over 9 million chickens, and 60,000 pigs were destroyed because of the contamination. The extent of human health effects has been debated, in part because of the use of differing risk assessment methods. One group predicted increased cancer rates, and increased rates of neurological problems in those exposed as neonates.
NDV is spread primarily through direct contact between healthy birds and the bodily discharges of infected birds. The disease is transmitted through infected birds' droppings and secretions from the nose, mouth, and eyes. NDV spreads rapidly among birds kept in confinement, such as commercially raised chickens.
This manifests as a nervous disorder (neuromycotoxicosis), characterized by neurological disorders such as ataxia, paralysis, and liver damage in farm animals fed or grazing on S. maydis-infected corn. Further, Diplodia-infected corn used in the chicken broiler and egg laying industries has resulted in reduced performance. [11]
Egg drop syndrome '76 (EDS '76) is a viral disease that affects birds, notably chickens, ducks, geese and swans. It is characterised by a sudden drop in production of eggs as well as its eggshell quality in apparent healthy laying birds.
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