Abstract
ABSTRACT This study was conducted to identify the productive and reproductive performance of sheep in the Gedeo zone. Flock of 50 households was randomly selected for a household survey. A total of 189 lambs’ growth data and reproductive traits from 125 ewes were collected. A general linear model was employed for the analysis. Sheep flock size shows (8.6 ± 0.11) a significant difference (P < 0.05) among age categories. Weight at birth (3.01 ± 0.3 kg), weaning (14.2 ± 0.9 kg) and six months (22.4 ± 1.1) of lambs were significant (P < 0.01) among parties, birth type, lamb sex and birth season. Body size and growth rate were important traits for breeding sheep selection. The average age at first lambing and lambing interval was 12.3 ± 0.12 and 7.7 ± 0.06, respectively. Other reproductive traits, such as fertility rate (76.7%), litter size (1.51), weaning percentage (81.6%) and lamb survival rate (86.2%), were observed. In conclusion: parity, birth type, lamb sex and birth season are important sources of variation in sheep growth performance that were considered fixed effects during the analysis. Thus, as policy direction, genetic improvement combined with nutrition, health and participatory breeding would contribute to sheep genetic improvement that should be given proper attention.
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