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Data collected on 3256 lambs born to Horro and Menz breed ewes single-sire mated to 71 rams at the International Livestock research Institute (ILRI) Debre Berhan station between September 1992 and June 1996 were analysed for rates of survival and growth from birth to weaning. A significantly lowe...


Mukasa-Mugerwa, E.Lahlou-Kassi, A.Anindo, D.O.Rege, J.E.O.Tembely, S.Tibbo, MarkosBaker, R.L.[Between and within breed variation in lamb survival and the risk factors associated with major causes of mortality in indigenous Horro and menz sheep in Ethiopia]Between and within breed variation in lamb survival and the risk factors associated with major causes of mortality in indigenous Horro and menz sheep in Ethiopia

The effect of birth weight on lamb survival, and the role of stage of pregnant ewe supplementation and weight gain during pregnancy, were investigated for 285 Menz ewes that lambed from 334 mated when averaging 22.8+4.6 (SD) kg body weight and 2.3+0.75 condition score. Ewes either only grazed (C)...


Mukasa-Mugerwa, E.Said, A.N.Lahlou-Kassi, A.Sherington, J.Mutiga, E.R.[Birth weight as a risk factor for perinatal lamb mortality, and the effects of stage of pregnant ewe supplementation and gestation weight gain in Ethiopian Menz sheep]Birth weight as a risk factor for perinatal lamb mortality, and the effects of stage of pregnant ewe supplementation and gestation weight gain in Ethiopian Menz sheep

Reviews aspects of several studies on the reproductive performance of Ethiopian Menz sheep in which plasma progesterone concentrations were monitored. The radioimmunoassay (RTA) technique has been used for determining progesterone concentration in blood and milk (Pope et al 1976; Holdsworth 1980)...


Mukasa-Mugerwa, E.Mutiga, E.R.Girma, A.[Studies on the reproductive performance of Ethiopian sheep by means of an Enzyme Immunoassay Technique; a review]Studies on the reproductive performance of Ethiopian sheep by means of an Enzyme Immunoassay Technique; a review

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