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The effects of breed (Menz and Horro), season (wet and dry), and the breed by season interaction on production and response to naturally acquired gastro-intestinal (GI) nematode parasite infections (predominantly Longistrongylus elongata and Trichostrongylus spp. and a small proportion of Haemonc...


Rege, J.E.O.Tembely, S.Mukasa-Mugerwa, E.Sovani, S.Anindo, D.O.Lahlou-Kassi, A.Nagda, S.M.Baker, R.L.[Effect of breed and season on production and response to infections with gastro-intestinal nematode parasites in sheep in the highlands of Ethiopia]Effect of breed and season on production and response to infections with gastro-intestinal nematode parasites in sheep in the highlands of Ethiopia

Presents results of a study undertaken to investigate the relationship of Packed Cell Volume (PCV) and Eggs Per Gram (EPG) to performance, and to estimate the repeatibility of the two measurements in a monthly parasite monitoring scheme. Includes data on body score, live weight of milk teeth male...


Tekelye BekeleKasali, O.B.Rege, J.E.O.[Repeatability of measurements of packed cell volume and egg count as indicators of endoparasite load and their relationship with sheep productivity]Repeatability of measurements of packed cell volume and egg count as indicators of endoparasite load and their relationship with sheep productivity

A study was conducted to estimate heritabilities of, and genetic correlations among, body weight (WT) and testicular measurements - scrotal circumference (SC), testicular diameter (TD), testicular length (TL) and epididymal diameter (ED - in ram lambs between 6, 9 and 12 months old, and relations...


Toe, F.Rege, J.E.O.Mukasa-Mugerwa, E.Tembely, S.Anindo, D.O.Baker, R.L.Lahlou-Kassi, A.[Reproductive characteristics of Ethiopian highland sheeI. Genetic parameters of testicular measurements in ram lambs and relationship with age at puberty in ewe lambs]Reproductive characteristics of Ethiopian highland sheeI. Genetic parameters of testicular measurements in ram lambs and relationship with age at puberty in ewe lambs

A study was conducted to investigate the effect of season on, and to estimate heritabilities of, and genetic correlations among, semen and spermatozoa characteristics and the relationship of these characteristics with measures of testicular or scrotal size in 6-, 9- and 12-month old ram lambs of ...


Rege, J.E.O.Toe, F.Mukasa-Mugerwa, E.Tembely, S.Anindo, D.O.Baker, R.L.Lahlou-Kassi, A.[Reproductive characteristics of Ethiopian highland sheep. II. Genetic parameters of semen characteristics and their relationships with testicular measurements in ram lambs]Reproductive characteristics of Ethiopian highland sheep. II. Genetic parameters of semen characteristics and their relationships with testicular measurements in ram lambs

On-station characterisation of indigenous Menz (n = 1639) and Horro (n = 1135) sheep of Ethiopia in the central highlands of the country was undertaken between 1992 and 1997 at the Debre Berhan Research Station of the International Livestock Research Institute (ILRI) to study the phenotypic chara...


Tibbo, MarkosAyalew, W.Awgichew, K.Ermias, E.Rege, J.E.O.[On-station characterisation of indigenous Menz and Horro sheep breeds in the central highlands of Ethiopia]On-station characterisation of indigenous Menz and Horro sheep breeds in the central highlands of Ethiopia

Formulation of cost-effective preventive control programmes for helminth infection in small ruminants should be based on sound epidemiological knowledge of the time relationship between contamination of pastures and the seasonal availability of infective larvae in a given geographic area. Epidemi...


Tembely, S.Lahlou-Kassi, A.Sovani, S.Rege, J.E.O.Baker, R.L.Mukasa-Mugerwa, E.[Small ruminant management practices and control of helminthosis under traditional production systems in the cool Ethiopian highlands]Small ruminant management practices and control of helminthosis under traditional production systems in the cool Ethiopian highlands

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