alexa A Study on the Effect of Monomorphic Trypanosoma brucei rhodesiense, (Eatro 3 ET at 1.2) on Experimentally Infected Goats and Swiss White Mice
ISSN: 2155-9597

Journal of Bacteriology & Parasitology
Open Access

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Research Article

A Study on the Effect of Monomorphic Trypanosoma brucei rhodesiense, (Eatro 3 ET at 1.2) on Experimentally Infected Goats and Swiss White Mice

Hailisha Gudisa1, Bedaso Kebede2*, Getachew Terefe1 and Dereje Tsegaye3

1College of Veterinary Medicine and Agriculture, Addis Ababa University, Ethiopia

2Veterinary Drug and Animal Feed Administration and Control Authority, Ethiopia

3Hidabu Abote District livestock and Fisheries Development Office, Oromia, Ethiopia

*Corresponding Author:
Bedaso Kebede
Veterinary Drug and Animal Feed Administration and Control Authority
31303 Addis Ababa, Ethiopia
Tel: 0913136824
E-mail: [email protected]

Received date: July 19, 2016; Accepted date: August 29, 2016; Published date: August 31, 2016

Citation: Gudisa H, Kebede B, Terefe G, Tsegaye D (2016) A Study on the Effect of Monomorphic Trypanosoma brucei rhodesiense, (Eatro 3 ET at 1.2) on Experimentally Infected Goats and Swiss White Mice. J Bacteriol Parasitol 7:287. doi:10.4172/2155-9597.1000287

Copyright: © 2016 Gudisa H, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



study was done to assess the effect of Trypanosome brucei rhodesiense on experimentally infected goats and mice to see the effect of the study parasite and to determine the minimum dose that should be used to establish chronic infection. Three goats, identified with number as 908, 713, and 907, received 106, 5 × 104, and 103, parasite in dose volume of 0.5 ml intravenously, respectively. All infected goat showed clinical sign of trypanosomosis. Number 908 was died on 55th day post infection with PCV of 24%. A total of 11 Swiss white mice were also infected to study the effect of the study parasite. A total of 6 mice were infected in the first round (firsts batch), with 1x103 parasites in 0.3 ml dose volume, ip. All mice died before the 5th day post infection. There was no significant change in PCV and body weight almost in all infected mice during the course of infection. A total of 5 mice were infected in the second round (second batch), with 1 × 103 parasites in 0.2 ml dose volume, ip. Mice number 2 died after 72 hours post infection and its parasitaemia was 5.01 × 108. Mice number 1 and 4 were euthanized after 72 hrs and 3 and 5 after 93 hrs with parasitaemia of 2.51 × 108, each. There was statistical significant change in PCV during the course of the infection. The post mortem examination done on these mice reveals no visible inflammatory or pathological changes on examined tissues and organs (lung, heart, liver, spleen, kidney and intestinal organ) The survival period for the second batch of mice was also less than one week. This study indicated that Swiss white mice are more affected by the study parasite than goats.


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