University of Khartoum

Detection of Blood Parasites of Toads (Amietophrynus regularis) in Al-Sorojia and Jebel Aulia, Khartoum State

Detection of Blood Parasites of Toads (Amietophrynus regularis) in Al-Sorojia and Jebel Aulia, Khartoum State

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Title: Detection of Blood Parasites of Toads (Amietophrynus regularis) in Al-Sorojia and Jebel Aulia, Khartoum State
Author: Mohamed, Ola Ahmed Elaabid Hamad
Abstract: The present study was conducted to detect and identify blood parasites infecting toads Amietophrynus (Bufo) regularis and find out association between the infection of the parasites and host factors sex, length, body weight and age. One hundred and twenty of Amietophyrnus (Bufo) regularis (99 males and 21 females) were collected during May to August 2016 in two localities in Khartoum state (Al-sorojia and Jebel Aulia).Examined for blood parasites using blood films stained in Giemsa’s. A total of 77 (64.16%) of specimens were infected by 880 parasitic protozoa made-up of 879 (99.89%) Apicomplexa composed of Haemogregina spp. (89.66%), Hepatozoon spp. (10.22%) and 1 (0.11%) Kinteoplastides composed of Trypanosoma spp., while 43(35.83%) were uninfected. No nematodes were recovered. The infection rate was changed with sex, where females were higher infected than males and there were differences significant (χ2 =12.520, p≤0.05) and maturity stage there was a significant difference in the infection rate between mature group and immature (χ2 =19.471, p=0.003). The infection rate increases with decreasing of weight and length a negative correlation (rs = –0.022, p = 0.814 and rs = –0.004, p = 0.966) respectively. This study showed high level of parasitic infection in African common toads in Khartoum State which contributed to the decline in amphibian populations. Further research on amphibian parasitism and its threats to human health is warranted
Description: 60 Pages
URI: http://khartoumspace.uofk.edu/123456789/25924


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