癥狀
斷奶豬與生長豬
Appearance of extensive greasy brown, purplish red slightly raised blotches of various sizes and shapes over the chest, abdomen, thighs and forelegs. The majority of pigs that develop extensive skin blotching die.
Over time the blotches become covered with dark infected crusts (dermatitis) and then fade leaving scars.
The pigs are depressed.
May have a fever.
They are usually reluctant to move.
Lose weight
Sometimes breath heavily.
Mortality high.
Loss appetite.
仔豬 & 母豬
Rare
致病原因
The cause is unknown.
It is not known how the disease spreads between pigs or between herds or what triggers off a clinical outbreak. However sources of incoming pigs must come from herds with no history of disease.
診斷
The clinical signs are strongly suggestive but not diagnostic. Gross and microscopic post mortem examinations are needed to make a firm 診斷. At gross post mortem examination lymph nodes, particularly those at the rear of the abdomen which are not usually examined, are reddened and enlarged and there is often fluid in the abdomen. The most consistent lesions are in the kidneys which are swollen, pale and mottled with many small haemorrhages showing through the surface. Tests can be done for high urea and creatinine levels in the blood which indicates severe kidney damage. These tests may be negative if the kidneys are less severely affected. Microscopically, the lesions in the blood vessel walls are distinctive. Since the cause is unknown there are no specific diagnostic tests.
Similar diseases
Classical swine fever (CSF), (Hog cholera), or African swine fever (ASF). Other diseases which might be confused with PDNS include erysipelas and Actinobacillus suis. Other kidney conditions may also be confused with PDNS. 作者: zhl538 時間: 2006-8-23 10:35 標題: re:我覺得抗生素用多了，豬腎虧，一代傳一代，... 我覺得抗生素用多了，豬腎虧，一代傳一代，我現在越來越反感抗生素！?。?！
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