Phenotypic Characterization and Reproductive Performance of Blackhead Somali Sheep in Fafen Zone of Somali Regional State, Ethiopia

Table 4

Reproductive performance of Blackhead Somali sheep.

Parameters	N	Mean ± SD
Age of first service ram (months)	110	10.08 ± 1.90
Age of first service ewe (months)	150	13.75 ± 2.44
Age of first lambing (months)	110	19.12 ± 2.41
Lambing interval (months)	110	9.66 ± 1.56
Life lamb crop	106	6.18 ± 2.01
The reproductive life span of ewe (years)	106	6.04 ± 1.43
The reproductive life span of ram (years)	101	6.63 ± 1.49
Twinning percentage (%)	150	12.30
Triplet percentage (%)	150	1.90
Mortality rates up to 90 days after birth (%)	150	10.40