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Articles by Abdinasir Yusuf Osman
Total Records ( 2 ) for Abdinasir Yusuf Osman
  Faez Firdaus Jesse Abdullah , Abdinasir Yusuf Osman , Lawan Adamu , Mohd Syamil Mohd Yusof , Abdul Rahman Omar , Abdul Aziz Saharee , Abd Wahid Haron , Rasedee Abdullah and Mohd Zamri-Saad
  Haemorrhagic Septicaemia (HS) is an acute, fatal, septicaemic disease of cattle and water buffaloes caused by Pasteurella multocida, serotype B:2 in tropical countries. The limitations associated with accurate predictions of mortality, survival levels and the detection of the presence of the organism from various organs of infected animals. Hence, this study used mouse model to evaluate the pattern of mortality and bacterial recovery from organs. Twenty-four mice were randomly divided into two groups. Infected group were inoculated orally with 109 colony forming unit of P. multocida type B, the group 2 were negative controls. The mice were observed for 5 days post-inoculation. At necropsy, visceral organs of dead animals were subjected for the confirmation using Polymerase Chain Reaction (PCR). The results showed that mortality rate was significantly different (p<0.05) between the infected and control groups. Within infected group, highly significant difference (p<0.05) was observed where 12.5% of the mortality rate was recorded within 24 h and 62.5% within 48 h post-infection. The survival rate, in infected group, was found to be around 25%. In diagnosis, P. multocida type B was detected from all organs of animals that did not survive. In contrast, P. multocida type B was neither recovered nor detected from the organs of mice which survived until the end of the experimental period (120 h). The results of this study indicated that manipulation of the organism in experimental animals provided clear information of the incidence of the disease in the field.
  Faez Firdaus Jesse Abdullah , Abdinasir Yusuf Osman , Lawan Adamu , Zunita Zakaria , Rasedee Abdullah , Mohd Zamri-Saad and Abdul Aziz Saharee
  Pasteurella multocida is an opportunistic pathogen with veterinary and human significance. The species diverse and complexity between the types exist with respect to antigenic variation, host predilection and pathogenesis. The aim of the present study was to determine hematological and serum concentration of biochemical values in calves having infected with Pasteurella multocida type B and its immunogens; Lipopolysaccharide (LPS) and Outer Membrane Protein (OMP). A total of eight clinically healthy calves were divided into four groups of 2 calves in each group. Group 1 were inoculated with sterile Phosphate Buffered Saline (PBS). Group 2 were inoculated with wild-type P. multocida type B: 2 while Group 3 and 4 were inoculated with LPS and OMP extracted from Pasteurella multocida type B, respectively. Blood samples were collected for haematological and biochemical analysis. Results indicated significant differences in the mean values of Prothrombin Time (PT), Partial Thromboplastin Time (PTT) and thrombocyte levels in infected groups 2-4 compared to the control group. There was significant decrease in the mean concentration of Alanine Transaminase (ALT) for group 2 (20.607±1.639 U L-1), group 3 (22.067±1.617 U L-1) and group 4 (40.327±8.351 U L-1). Conversely, there was no significant difference in Alkaline Phosphatase (ALP) for group 2 (149.857±17.327 U L-1) but a significant decrease for groups 3 (114.147±20.901 U L-1) and group 4 (128.971±17.068 U L-1). There was no significant differences in the serum levels of Gamma-glutamyltranspeptidase (GGT) and almost all tested electrolytes in infected groups. In conclusion, our results provide evidence in support of using some haematological and biochemical markers for early detection of individuals at risk for wild type of Pasteurlla multocida.
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