為了解雞群中I群禽腺病毒（FAdV-I）的流行現狀，從山東、黑龍江、吉林等地部分大規(guī)模養(yǎng)雞場采集病料，進行病毒分離、PCR鑒定及同源性分析。結果顯示：從76份病料中分離到10株FAdV-I，分離率為13%；10株FAdV-I中，1株為血清4型，6株為血清8b型，1株為血清9型，2株為血清11型。結果表明，山東、黑龍江、吉林等地均存在一定的FAdV-I流行，主要流行血清型已由4型轉變?yōu)?/span>8b型，因此需要評估當前的4型滅活苗能否有效防控這些地區(qū)的FAdV-I流行。
Isolation and Identificationand Homology Analysis on Group I Fowl Adenovirus
In order to recognize the prevalence ofgroup I fowl adenovirus（FAdV-I）in poultry，samples were collected from several large-scalechicken farms in Shandong，Heilongjiang and Jilin provinces for FAdV isolation，PCR assay and homology analysis. Resultsshowed that 10 FAdV-I strains were isolated from 76 samples with the positiverate reaching 13%. Among the 10 FAdV-I strains，1 of them belonged to serotype 4，6 of them belonged to serotype 8b，1 of them belonged to serotype 9，and 2 of them belonged to serotype 11. Theresults indicated that certain FAdV-I infection existed in Shandong，Heilongjiang and Jilin provinces，and the main serotypes had been transferredfrom serotype 4 to serotype 8b，thus the current serotype 4 inactivated vaccines need to be evaluatedto determine if they could control the spread of FAdV-I effectively.
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