Variables

District

Dhanan

Ber’ano

Godey

Adadle

Overall

Age at first mating (yrs)

3.30 ± 0.06

3.24 ± 0.05

3.14 ± 0.05

3.33 ± 0.06

3.25 ± 0.03

Age at first calving

(yrs)

4.11 ± 0.04^a

4.03 ± 0.04^b

3.95 ± 0.02^c

4.14 ± 0.06^a

4.05 ± 0.02

Calving interval (months)

16.42 ± 0.07

16.46 ± 0.07

16.36 ± 0.06

17.02 ± 0.06

16.56 ± 0.03

Lactation length (months)

7.98 ± 0.1

8.08 ± 0.1

8.36 ± 0.1

7.86 ± 0.1

8.07 ± 0.05

Daily milk off-take

(l)

2.10 ± 0.07

2.19 ± 0.09

2.58 ± 0.07

2.01 ± 0.08

2.22 ± 0.04