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Haematological parameters were studied in 377 apparently healthy sheep comprising three indigenous breeds of Ethiopia. The effect of breed, age, gender and season on the haematological values was assessed. There was significant (P<0.01) breed difference for all erythrocytic series. Red blood cell...


Tibbo, MarkosAragaw, K.Abunna, F.Woldemeskel, M.Deressa, A.Dechassa, M.L.Rege, J.E.O.[Factors affecting haematological profiles in three indigenous Ethiopian sheep breeds]Factors affecting haematological profiles in three indigenous Ethiopian sheep breeds

Microscopic examination of pneumonic lungs of the Ethiopian highland sheep (n = 35) was made and compared with the pneumonic lungs from ten sheep and 66 goats from the lowlands. Lesions compatible with sheep pulmonary adenomatosis (SPA; 8/35, 22.8%), and maedi-visna (MV; 9/35, 25.7%) were recorde...


Woldemeskel, M.Tibbo, Markos[Pulmonary adenomatosis and maedi-visna in Ethiopian central highland sheep: a microscopic study]Pulmonary adenomatosis and maedi-visna in Ethiopian central highland sheep: a microscopic study

A retrospective case-control study was conducted on 6718 sheep of two breeds (2772 Horro and 3946 Menz) on risk factors for mortality associated with respiratory disease (MARD) in Ethiopia, based on data collected between October 1993 and December 1997. Potential risk factors examined were breed,...


Tibbo, MarkosMukasa-Mugerwa, E.Woldemeskel, M.Rege, J.E.O.[Risk factors for mortality associated with respiratory disease among Menz and Horro sheep in Ethiopia]Risk factors for mortality associated with respiratory disease among Menz and Horro sheep in Ethiopia

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), a...


Tibbo, MarkosJibril, Y.Woldemeskel, M.Dawo, F.Aragaw, K.Rege, J.E.O.[Serum enzymes levels and influencing factors in three indigenous Ethiopian goat breeds]Serum enzymes levels and influencing factors in three indigenous Ethiopian goat breeds

Domestic poultry are important natural hosts of Mycobacterium avium (MAC), especially in the traditional poultry management system in the tropics. Qualitative and quantitative studies on a total of 95 chickens from three agro-climatic areas in Ethiopia were examined for avian mycobacteriosis thro...


Tadesse, S.Woldemeskel, M.Molla, B.Tibbo, MarkosKidane, D.Medhin, G.Britton, S.[Avian mycobacteriosis in domestic chickens from selected agro-climatic regions in Ethiopia]Avian mycobacteriosis in domestic chickens from selected agro-climatic regions in Ethiopia

Hematological parameters were studied in 163 apparently healthy goats comprised of 3 indigenous breeds at Adami-Tulu Agricultural Research Centre (ATARC) and Sheno, Agricultural Research Centre (SARC), Ethiopia. Data were analyzed for the effect of breed, sex, age, and season. Hemoglobin (Hb) was...


Tibbo, MarkosJibril, Y.Woldemeskel, M.Dawo, F.Aragaw, K.Rege, J.E.O.[Factors affecting hematological profiles in three Ethiopian indigenous goat breeds]Factors affecting hematological profiles in three Ethiopian indigenous goat breeds

Serum enzymes were studied in 377 apparently healthy sheep from three indigenous sheep breeds of Ethiopia. The effect of breed, age, sex and season on alanine aminotransferase (ALT)/glutamic pyruvic transaminase (GPT), aspartate aminotransferase (AST)/glutamic oxalacetic transaminase (GOT), alkal...


Tibbo, MarkosWoldemeskel, M.Aragaw, K.Rege, J.E.O.[Serum enzyme levels and influencing factors in three indigenous Ethiopian sheep breeds]Serum enzyme levels and influencing factors in three indigenous Ethiopian sheep breeds

Aetiological investigation was made into an outbreak of skin disease (alopecia) in 216 Menz weaner lambs in Ethiopia, through clinical, laboratory and post mortem examinations. Morbidity, mortality and case fatality rates were 84.7%, 50.5% and 59.6%, respectively. The clinical signs included symm...


Tibbo, MarkosBayou, K.Mekonnen, S.Abdicho, S.Woldemeskel, M.[An outbreak of skin disease (alopecia) associated with high mortality in Menz lambs in Ethiopia]An outbreak of skin disease (alopecia) associated with high mortality in Menz lambs in Ethiopia

Thirty Ethiopian highland rams with an average body weight of 23.7 kg (S.D = 1.23) and age of 18 months and 25 East African bucks with an average body weight of 18.6 kg (S.D. = 2.06) and age of 14 months were used to study the long term effects of supplementation with the leaves of Leucaena palli...


Woldemeskel, M.Tegegne, AzageUmunna, N.N.Kaitho, R.J.Tamminga, S.[Effects of Leucaena pallida and Sesbania sesban supplementation on testicular histology of tropical sheep and goats]Effects of Leucaena pallida and Sesbania sesban supplementation on testicular histology of tropical sheep and goats

A cross-sectional study was conducted on extensively reared chickens of three selected agro-climatic zones in Central Ethiopia to examine the predisposing effect of gastro-intestinal helminthes to intestinal Mycobacterium avium when it occurs as co-infection. This was done through a Lymphocyte St...


Tadesse, S.Woldemeskel, M.Medhin, G.Tibbo, MarkosMolla, B.Abate, G.Britton, S.[T-Cell responses to Mycobacterium avium PPD antigens in gastro-intestinal helminth co-infected chickens in central Ethiopia]T-Cell responses to Mycobacterium avium PPD antigens in gastro-intestinal helminth co-infected chickens in central Ethiopia

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