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You searched for +publisher:"Addis Ababa University" +contributor:("Prof. Getachew Abebe"). Showing records 1 – 2 of 2 total matches.

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Addis Ababa University

1. SINSHAW, ALEKAW. EPIDEMIOLOGICAL INVESTIGATION OF MECHANICALLY TRANSMITTED TRYPANOSOMOSIS (TRYPANOSOMA VIVAX) OF DOMESTIC ANIMALS IN THREE DISTRICTS BORDERING LAKE TANA, ETHIOPIA .

Degree: 2008, Addis Ababa University

An epidemiological investigation of mechanically transmitted trypanosomosis was undertaken at the three districts (Bahir Dar Zuria, Dembia and Fogera) bordering lake Tana that are located in Amhara National Regional State, Ethiopia. The study was conducted with the objectives of determining the prevalence of trypanosomosis in cattle, small ruminants and equines, identifying biting flies and investigating the presence of drug resistance to Isomethamidium chloride and Diminazine aceturate in the study areas. The methodology followed was that a total of 1509 cattle, 798 small ruminants and 749 equines were considered for the prevalence study using parasitological methods (buffy-coat method) and the PCV of each animal was measured using hematocrit techniques. A total of 86 traps (66 NGU and 20 Monoconical) were deployed for the purpose of fly survey. At the Fogera district 48 cattle (in the late rainy season) and 19 cattle (in the early dry season) positive for Trypanosoma vivax after treatment with Isomethamidium chloride and Diminazine aceturate respectively were followed for 3 months and 24 days, respectively. The results indicated that the overall prevalence of trypanosomosis in cattle was 6.1% (92/1509). Prevalence was significantly (t =-3.5, P<0.001.) higher during the late rainy season 9.6% (57/592) than the early dry season 3.6%(22/609) at Fogera district where the two seasons were compared. Prevalence at the district level has significantly varied (p<0.01) from 9.6% (57/592) at Fogera district to 4.5%(6/133) at Bahir Dar and 4% (7/175) at Dembia. Prevalence at a peasant association level has significantly (p<0.01) varied from 0% (0/54) (Sebatamit, Bahir Dar) to 15.5% (37/239) (Shina, Fogera). Among small ruminants only one sheep 0.8% (1/122) and one goat 0.15% (1/676) were found positive for Trypanosoma species and none of the equines were positive. All the trypanosomes encountered in cattle belong to a single species of T. vivax. However the Trypanosoma species in sheep and goats though it seemed T. vivax from the movements of buffy-coat smear, it was not possible to get with in the thin smear preparation made from the buffy-coat which may be due to the very low number of parasites in the blood (single parasites per preparation for each species at the buffy coat). The PCV for each species of animal was with in the normal range available in literature. The PCV of T. vivax infected cattle (PCV=21.6, 95%CI=20.9-22.3) was significantly (p<0.001) lower than the negatives (PCV=25.4, 95%CI=25.2-25.5) and PCV X values were also significantly and positively associated with body condition score (p<0.001), and pregnancy (p<0.01), and negatively associated with lactation (p<0.05) and parity (p<0.01) in cattle. There was also a significant variation in PCV among the three districts (p<0.01) and between the two seasons (p<0.01) in cattle. A total of 71,273 flies were caught of which 49,353(69.2%) belong to Stomoxys, 15,875(22.3%) to non-biting Muscidae, 4,715(6.6%) to horse flies and 1,330(1.9%) to Chrysops and there was no… Advisors/Committee Members: Prof. Getachew Abebe (advisor).

Subjects/Keywords: Trypanosoma vivax; biting flies; isomethamidium; diminazine; season; cattle; small ruminants; equines and districts bordering lake Tana

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

SINSHAW, A. (2008). EPIDEMIOLOGICAL INVESTIGATION OF MECHANICALLY TRANSMITTED TRYPANOSOMOSIS (TRYPANOSOMA VIVAX) OF DOMESTIC ANIMALS IN THREE DISTRICTS BORDERING LAKE TANA, ETHIOPIA . (Thesis). Addis Ababa University. Retrieved from http://etd.aau.edu.et/dspace/handle/123456789/1536

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16th Edition):

SINSHAW, ALEKAW. “EPIDEMIOLOGICAL INVESTIGATION OF MECHANICALLY TRANSMITTED TRYPANOSOMOSIS (TRYPANOSOMA VIVAX) OF DOMESTIC ANIMALS IN THREE DISTRICTS BORDERING LAKE TANA, ETHIOPIA .” 2008. Thesis, Addis Ababa University. Accessed July 21, 2019. http://etd.aau.edu.et/dspace/handle/123456789/1536.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7th Edition):

SINSHAW, ALEKAW. “EPIDEMIOLOGICAL INVESTIGATION OF MECHANICALLY TRANSMITTED TRYPANOSOMOSIS (TRYPANOSOMA VIVAX) OF DOMESTIC ANIMALS IN THREE DISTRICTS BORDERING LAKE TANA, ETHIOPIA .” 2008. Web. 21 Jul 2019.

Vancouver:

SINSHAW A. EPIDEMIOLOGICAL INVESTIGATION OF MECHANICALLY TRANSMITTED TRYPANOSOMOSIS (TRYPANOSOMA VIVAX) OF DOMESTIC ANIMALS IN THREE DISTRICTS BORDERING LAKE TANA, ETHIOPIA . [Internet] [Thesis]. Addis Ababa University; 2008. [cited 2019 Jul 21]. Available from: http://etd.aau.edu.et/dspace/handle/123456789/1536.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

SINSHAW A. EPIDEMIOLOGICAL INVESTIGATION OF MECHANICALLY TRANSMITTED TRYPANOSOMOSIS (TRYPANOSOMA VIVAX) OF DOMESTIC ANIMALS IN THREE DISTRICTS BORDERING LAKE TANA, ETHIOPIA . [Thesis]. Addis Ababa University; 2008. Available from: http://etd.aau.edu.et/dspace/handle/123456789/1536

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation


Addis Ababa University

2. BEKELE, JEMERE. CONTROL OF TSETSE AND TRYPANOSOMOSIS IN THE SOUTHERN RIFT VALLEY (STEP AREA): EVALUATION OF DELTAMETHRIN APPLICATIONS .

Degree: 2008, Addis Ababa University

A trial aimed to evaluate the efficacy of Deltamethrin (0.4% impregnated odour-baited targets and 1% pour-on formulation applied to animals) in reducing the incidence of bovine trypanosomosis and comparing the corresponding cost-effectiveness of both strategies was conducted in two selected 10X10km Universal Transverse Mercator Grids of the Southern Tsetse Eradication Project (STEP) area in the Southern Rift Valley of Ethiopia. The Grids selected were H3 & G5 designated as study Sites I & II respectively. The trial was underway from late September, 2003 to early April, 2004. The accomplishment of the trial included baseline survey (Questionnaire, Parasitology, and entomology), intervention with insecticide (Deltamethrin 0.4%) impregnated odour-baited targets at Site I(Grid H3) and Deltamethrin 1% ‘pour-on’ application to cattle at Site II (Grid G5) and monthly monitoring of the incidence of disease and apparent density of tsetse fly. Following the deployment of 460 targets (0.4% Deltamethrin impregnated and odour-baited) at a density of 4 targets /km2 at the trial Site I, the relative abundance of tsetse fly (G. pallidipes) population declined from a pre-intervention catch of 1.35 flies/trap/day to 0.05 flies/trap/day during the final trapping time in April, 2004 with about 88.88% overall reduction achieved. The associated disease (trypanosomosis) status was monitored by monthly blood sampling from the sentinel animals established prior to the intervention and the incidence in cattle dropped from 10.75% (first monitoring) to 1.8% (last monitoring) with about 83.25%. The prevalence of the disease had also dropped to 9% (P< 0.01) as compared to the pre-intervention result of 23% and as a result, an overall reduction of 60% was achieved. The corresponding overall mean PCV (packed cell volume) record had shown an improvement from 21.8% of the pre-intervention to 25.5 % (P<0.01) after intervention. Similar assessment at Site II with Deltamethrin 1% pour-on formulation started by applying to about 409 animals at a rate of 1ml/10 kg body weight and subsequently repeated on monthly basis throughout the trial period resulted in a sharp drop of the relative abundance of tsetse fly population to nil from 0.91 flies/trap/day of the pre-intervention catch with a 94.88% (P<0.01) overall reduction achieved. The incidence of the disease also declined from 10% to 0.95% (about 90.5%). The reduction from 21% to 4.75% in the prevalence of the disease was observed to be significant (P<0.01) with a 77.4% overall drop. The associated overall mean PCV value (24.1% increased to 27.2%) had shown a gradual increase (P<0.01) until the third monitoring and maintained a stable state thereafter. The use of Deltamethrin 1% pour-on proved better efficacy based on the results obtained and conclusions made. IX In addition to this, cost effectiveness evaluation of the intervention component was conducted. This indicated that the routine intervention cost for Pour-on formulation offered Incremental Cost-Effectiveness Ratio (ICER) ranging from 34762.54-… Advisors/Committee Members: Prof. Getachew Abebe (advisor).

Subjects/Keywords: Tsetse; Trypanosomosis; Deltamethrin; efficacy; intervention; cost-effectiveness; sentinel cattle; pour-on; targets

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

BEKELE, J. (2008). CONTROL OF TSETSE AND TRYPANOSOMOSIS IN THE SOUTHERN RIFT VALLEY (STEP AREA): EVALUATION OF DELTAMETHRIN APPLICATIONS . (Thesis). Addis Ababa University. Retrieved from http://etd.aau.edu.et/dspace/handle/123456789/1537

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16th Edition):

BEKELE, JEMERE. “CONTROL OF TSETSE AND TRYPANOSOMOSIS IN THE SOUTHERN RIFT VALLEY (STEP AREA): EVALUATION OF DELTAMETHRIN APPLICATIONS .” 2008. Thesis, Addis Ababa University. Accessed July 21, 2019. http://etd.aau.edu.et/dspace/handle/123456789/1537.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7th Edition):

BEKELE, JEMERE. “CONTROL OF TSETSE AND TRYPANOSOMOSIS IN THE SOUTHERN RIFT VALLEY (STEP AREA): EVALUATION OF DELTAMETHRIN APPLICATIONS .” 2008. Web. 21 Jul 2019.

Vancouver:

BEKELE J. CONTROL OF TSETSE AND TRYPANOSOMOSIS IN THE SOUTHERN RIFT VALLEY (STEP AREA): EVALUATION OF DELTAMETHRIN APPLICATIONS . [Internet] [Thesis]. Addis Ababa University; 2008. [cited 2019 Jul 21]. Available from: http://etd.aau.edu.et/dspace/handle/123456789/1537.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

BEKELE J. CONTROL OF TSETSE AND TRYPANOSOMOSIS IN THE SOUTHERN RIFT VALLEY (STEP AREA): EVALUATION OF DELTAMETHRIN APPLICATIONS . [Thesis]. Addis Ababa University; 2008. Available from: http://etd.aau.edu.et/dspace/handle/123456789/1537

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

.