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Information Journal Paper

Title

Comparison of infectious laryngotracheitis virus pathogenesis in Bovans White and LSL strains pullets by intratracheal pathogenicity and histopathology indices methods

Pages

  5-17

Abstract

 Infectious laryngotracheitis (ILT) is a highly contagious viral respiratory disease of chickens. The objective of this study was to evaluate the pathogenicity indices of ILT virus in Bovans White and Lohmann Selected Leghorn (LSL) strains. Following isolation, identification and confirming the virus through molecular and serological tests, the viral titer was calculated by Speaman-karber method. The ILT virus (> 10 3 EID50) was inoculated to thirty 8-week-old pullets of each strain via the intratracheal route. The birds were observed for the clinical signs of ILT up to eight days. There was no significant difference regarding clinical signs, intratracheal Pathogenicity index (ITPI) and Histopathology index (HPI) between Bovans and LSL stains, respectively. The results of this study indicated that the ILT virus had relatively similar pathogenicity in both strains, however, Bovanse strain may be seen as more sensitive to ILTV than LSL strain due to the higher ITPI and HPI.

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    APA: Copy

    Ebrahimi, Mohhammad Majid, Saba, Mohammad Saber, SHAHSAVANDI, SHAHLA, YOUSEFI, ALI REZA, & HABLOLVARID, MOHAMMAD HASAN. (2020). Comparison of infectious laryngotracheitis virus pathogenesis in Bovans White and LSL strains pullets by intratracheal pathogenicity and histopathology indices methods. SCIENTIFIC-RESEARCH IRANIAN VETERINARY JOURNAL, 16(3 ), 5-17. SID. https://sid.ir/paper/398992/en

    Vancouver: Copy

    Ebrahimi Mohhammad Majid, Saba Mohammad Saber, SHAHSAVANDI SHAHLA, YOUSEFI ALI REZA, HABLOLVARID MOHAMMAD HASAN. Comparison of infectious laryngotracheitis virus pathogenesis in Bovans White and LSL strains pullets by intratracheal pathogenicity and histopathology indices methods. SCIENTIFIC-RESEARCH IRANIAN VETERINARY JOURNAL[Internet]. 2020;16(3 ):5-17. Available from: https://sid.ir/paper/398992/en

    IEEE: Copy

    Mohhammad Majid Ebrahimi, Mohammad Saber Saba, SHAHLA SHAHSAVANDI, ALI REZA YOUSEFI, and MOHAMMAD HASAN HABLOLVARID, “Comparison of infectious laryngotracheitis virus pathogenesis in Bovans White and LSL strains pullets by intratracheal pathogenicity and histopathology indices methods,” SCIENTIFIC-RESEARCH IRANIAN VETERINARY JOURNAL, vol. 16, no. 3 , pp. 5–17, 2020, [Online]. Available: https://sid.ir/paper/398992/en

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