Previous Page Table of Contents Next Page


Appendix 13. Production parameters of large-scale dairy systems in sub-Saharan Africa


Parameter

No. of studies

Mean

Median

Minimum

Maximum

Female calf mortality risk (%)

6

8.1

7.0

2.0

16.6

Male calf mortality risk (%)

5

6.4

2.0

2.0

14.0

Female/male replacement mortality risk (%)

1

1.0

1.0

1.0

1.0

Cow mortality risk (%)

4

4.0

5.0

1.0

5.0

Age at first calving (months)

1

33.4

33.4

33.4

33.4

Calving rate (%)

13

87.2

90.0

79.0

94.0

Milk offtake per lactation (kg)

21

3 911.0

3 195.0

2 112.0

6 715.0

Weight of mature cow (kg)

5

414.0

400.0

400.0

440.0

Weight of mature bull (kg)

1

450.0

450.0

450.0

450.0


Previous Page Top of Page Next Page