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Avian infectious disease禽传染病.doc

发布:2017-12-11约8.84千字共5页下载文档
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Avian infectious disease Young - 1 Newcastle disease, epidemic in the early stage of rapid death, fecal green yellow white, 43-440C, wry neck; 2 Marek, at the age of 2 weeks of infection, multiple early February age, young high incidence, high mortality (God, fork, skin, eye - gray eyes, blindness, dysentery, tumor, feather follicle poison); 3 aspergillus; 4 duck viral hepatitis, within 3 weeks of multiple, rapid death, yellow white and green manure, call trapped, kidney swelling and hyperemia, liver yellow brittle, lung tumor mottle, back neck disease; 5 Duck infectious serositis, 1 to 8 weeks, a swift death, anti tension, bent neck, tweet, turn, backwards, dysplasia; 6 gosling plague, goose, duck intestine pathological, dysentery, to prevent anti pigeon; 7 chicken infectious anemia, 2 to 4 weeks of age, multiple, 1 to 7 day old broiler chickens and the cocks the most easily, susceptibility; 8 viral arthritis, 4 to 16 weeks of age, 4 to 6 weeks of age prone, the most susceptible broilers January age, multiple, horizontal and vertical transmission, the lame (Bo), tarsal joint swelling, toe flexion, spread quickly in cages; 9 infectious encephalomyelitis, within 3 weeks of age, 1 to 2 weeks of age onset, hock to walk, dived down, lame, fork leg | legs on one side, the lens; 10, chicken infectious laryngotracheitis, conjunctivitis, 1/3 tracheal and laryngeal; 11 infectious bronchitis, respiratory, glandular stomach, kidney (Xian) type three, within 40 days of age 1|3 multiple, trachea and bronchi; 12 bursal disease, 3 to 6 weeks of age the most easily, thoracic legs cross, bursal edema, hemorrhage (Xie), renal tumor, kidney, ureteral uric acid salt precipitation (Cheng) product, piebald kidney, cecal tonsil enlargement, hemorrhage; dehydration, pecking anal, white viscous or liquid manure; 13 Salmonella, within 2 weeks of age the most easily, bacteria from egg white, paste, anus, call trapped, squeaking, 3 weeks of age of death is less, but the dysplasia, carrier or c
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