Breed type n Days open Mean+SD(days) Mean CI+SD(months) Mean service per conception+SD Mean AFC+ SD(months)  F P-value Arsi zebu 290 161.6 ±48.8  14.2 ± 0.44 1.18 ± 0.025 33.9±0.9     3.00     0.01 *Cross breed ≤50% HF 94  133.3±60.9 12.4±0.77 1.50 ±0.074 27.8±1.3 **Cross breed ≥50% HF 86  165.0±76.0  11.3±0.77 1.72 ± 0.085 22.9±1.1 Boran  6 176.0 ±59.0  11.8±4.00 2.17± 0.31 18.8±6.1 Jersey 14  184.0 ± 25.0  12.4± 1.93 2.29 ±0.32 25.4± 3.1

Table 4: Mean calving interval, service per conception and age at first calving as compared with different breed type in Hawassa and Debrebirhan. *Cross breed<50 percentage Holstein Friesian had similar color like local breed with some morphological difference. **Cross breed>50% Holstein Friesian blood level, they have a color of Holstein Friesian.