Clinical and immunological effects of experimental infection with Klebsiella pneumoniae in lambs in Iraq

  • Nawras K. Al-Nakeeb Department of Internal Veterinary Medicine, College of Veterinary Medicine, University of Al-Qadisiyah, Iraq.
  • Jameela Radi College of Veterinary Medicine, University of Al-Qadisiyah, Iraq.
  • Kholood Hamdan College of Veterinary Medicine, University of Al-Qadisiyah, Iraq.
  • Zena Fouad College of Veterinary Medicine, University of Al-Qadisiyah, Iraq.

Abstract

The study was conducted on ten Awassi male sheep to study experimentally pathological changes of Klebsiella pneumoniae infection during (3 months). Experimental animals were divided randomly into equal groups(each group included 5 animals), induction of pneumonia in one of these group in sheep by intratracheal route with the infective dose (3 ml) of bacterial suspension in concentration (105 CFU/ml) & the second represent as control and gave a sterile D.W. in the same dose & route of infection) and clinically exam daily with weekly complete blood indices, humoral and cellular immunity were examined by passive hemagglutination test and phagocytic activity as well as histopathological examination of lungs from two scarified sheep in the first group. Nasal discharge appeared as serous then turned to mucopurulent, intermittent cough, mild fever, increase in pulse and respiratory rates (42.4±1.39 and 35.2±1.77 respectively with significant differences between the two groups. WBC count increased significantly in the infected group as compared with the control group. GRN% showed statistically a significant increase in the values reached to (8.88±0.86) during that period of infection compared with control and Mon% showed a statistically significant increase in values during that period in the infected group, and the Abs titration was the higher in the infected group significantly than control and the cellular response in the infected group revealed increment in phagocytic index of neutrophils than in the control group.

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Published
2018-06-28
How to Cite
AL-NAKEEB, Nawras K. et al. Clinical and immunological effects of experimental infection with Klebsiella pneumoniae in lambs in Iraq. Al-Qadisiyah Journal of Veterinary Medicine Sciences, [S.l.], v. 17, n. 1, p. 44-48, june 2018. ISSN 2313-4429. Available at: <http://qu.edu.iq/journalvm/index.php/vm_journal/article/view/471>. Date accessed: 10 dec. 2018. doi: https://doi.org/10.29079/vol17iss1art471.