Publications by authors named "Dawo F"

Article Synopsis
  • The study investigates the prevalence and characteristics of coronavirus and rotavirus infections in calves suffering from diarrhea in central Oromia, Ethiopia, highlighting a significant knowledge gap in understanding these diseases.
  • During the research, 245 faecal samples were analyzed, revealing a very low prevalence of coronavirus (1.2%) and a slightly higher prevalence of rotavirus (7.2%) among diarrheic calves, with no positive results in non-diarrheic samples.
  • The pathogens were successfully cultured in Madin-Darby bovine kidney (MDBK) cells, showing noticeable cytopathic effects, and further molecular analysis was conducted using reverse transcriptase polymerase chain reaction (RT-PCR) techniques to confirm the presence of coronaviruses.
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Background: Ethiopian livestock production and productivity is still very low due to widespread of diseases. Among the diseases, foot-and-mouth disease (FMD) is an extremely contagious and acute viral disease that causes significant economic problems in the country. A cross sectional study design was conducted from September 2015 to May 2016 to isolate and characterize FMD virus from outbreak cases; determine the sero-prevalence of antibodies against FMD virus (FMDV), and assess potential risk factors associated with sero-prevalence of the disease in selected areas of central Ethiopia.

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Article Synopsis
  • A study was done in Ethiopia to identify bacteria from the respiratory tracts of healthy and sick camels, using lung tissue and tracheal swab samples.
  • It found that the most common bacteria in sick camels were Staphylococcus aureus, Streptococcus equi subsp. equi, and Pasteurella multocida, while healthy camels had Escherichia coli, Proteus species, and Klebsiella pneumoniae.
  • The research showed that these bacteria were more likely to be found in camels with health issues and that most bacteria were sensitive to certain antibiotics but resistant to others.
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Toxoplasmosis is one of the most prevalent parasitic infections of medical and veterinary importance. A cross-sectional study was conducted from November 2013 to January 2014 to estimate the seroprevalence of Toxoplasma gondii infection in camels from four districts of Borana zone, Southern Oromia, Ethiopia. In addition, a questionnaire survey was administered to 124 pastoralists to identify possible risk factors and to assess the awareness level of pastoral communities about toxoplasmosis.

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Serological surveys were performed on Ethiopian camels with a history of abortion to investigate the presence of antibodies against viruses that infect animals classified in the order Artiodactyla. In 2013, 120 serum samples were collected from camels in various parts of Ethiopia. Several viruses related to abortion in ruminants were prevalent.

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Article Synopsis
  • Toxoplasmosis is a significant public health issue in Ethiopia, with a study revealing a seroprevalence of 49.62% among camels tested using the direct agglutination test (DAT) and 40.49% using the enzyme-linked immunosorbent assay (ELISA).
  • Factors such as age, location, and the presence of domestic cats significantly increased the likelihood of camels contracting T. gondii.
  • The study also found that camel owners often lacked education and improperly handled aborted fetuses, contributing to the spread of the infection.
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We found serologic evidence for the circulation of Middle East respiratory syndrome coronavirus among dromedary camels in Nigeria, Tunisia, and Ethiopia. Circulation of the virus among dromedaries across broad areas of Africa may indicate that this disease is currently underdiagnosed in humans outside the Arabian Peninsula.

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In May and June of 2007, sudden death was observed in camels in southern pastoral areas of Oromia, Ethiopia. It significantly (p < 0.001) affected reproductive age groups of both male and female camels (in females and males, 63.

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Serum enzymes were studied in 163 apparently healthy goats from three indigenous goat breeds of Ethiopia. The effect of breed, age, sex and season on alanine aminotransferase (ALT) / glutamic pyruvic transaminase (GPT), aspartate aminotransferase (AST) / glutamic oxalacetic transaminases (GOT), alkaline phosphatase (ALP) and acid phosphatase (AcP) levels was assessed. The mean serum enzymes levels of the indigenous Arsi-Bale, Central Highland and Long-eared Somali goat breeds ranged from 14.

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An immunoblotting protocol for the detection of antibodies to Mycoplasma crocodyli was developed using sonicated antigen of the reference strain 266/93. Immunoblotting detected nine reacting antigens, of which the 33 and 40kDa antigens were immunodominant. There was no difference in reactivity of the antigens against sera obtained from vaccinated and infected crocodiles.

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Non-availability of a standardized rapid serodiagnostic test for quick and accurate diagnosis of Mycoplasma crocodyli (M. crocodyli) infection in crocodiles was the underlining reason for conducting the present study. An indirect enzyme-linked immunosorbent assay (iELISA) for the detection of antibodies (Ab) to M.

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