Experimental histopathologic study of the lesions induced by serotype 793/B (4/91) infectious bronchitis virus

experimental histopathologic study of the lesions induced by serotype 793/b (4/91) infectious bronchitis virus

the study was conducted to determine the type, frequency and severity of gross, histopathologic changes, effect of route of infection and also, tissue tropism of serotype 793/b (4/91) infectious bronchitis virus. 20 day-old specific pathogen free chicks were inoculated intra-tracheally and intra-orally with 793/b serotype and lesions studied histopathologically at interval up to 10 days post-in...

Serotype Identification of Recent Iranian Isolates of Infectious Bronchitis Virus by Type-Specific Multiplex RT-PCR

serotype identification of recent iranian isolates of infectious bronchitis virus by type-specific multiplex rt-pcr

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Experimental study on histopathological changes and tissue tropism of Iranian infectious bronchitis serotype 793/B-like virus in SPF chickens.

Avian infectious bronchitis virus (IBV) is prevalent in all countries with intensive poultry flocks. This disease is characterised primarily by respiratory signs, but some IBV strains may also infect other organs such as the intestinal and urogenital tracts. The aim of this study was to characterise the histopathological lesions and tissue tropism of Iranian isolate IR/773/2001(793/B) of avian ...

detection of avian infectious bronchitis virus and massachusetts serotype by rt-pcr

the aim of the present study was using rt-pcr for the diagnosis of avian infectious bronchitis virus and massachusetts serotype in tissue samples. optimization of a molecular diagnostic method for the detection of avian bronchitis virus and identification of massachusetts serotype was investigated. in order to detect infectious bronchitis virus (ibv) in tissue samples, an rt-pcr was optimized. ...

study of cohesive devices in the textbook of english for the students of apsychology by rastegarpour

this study investigates the cohesive devices used in the textbook of english for the students of psychology. the research questions and hypotheses in the present study are based on what frequency and distribution of grammatical and lexical cohesive devices are. then, to answer the questions all grammatical and lexical cohesive devices in reading comprehension passages from 6 units of 21units th...