Table 1.

Contribution of yearly age groups to patterns of age structure

Age group (years)	Bucks			goats
1	0.30	0.40	0.50	0.15	0.20	0.25
2	0.30	0.30	0.30	0.15	0.18	0.21
3	0.20	0.20	0.20	0.15	0.18	0.19
4	0.20	0.10		0.14	0.16	0.18
5				0.14	0.14	0.17
6				0.14	0.14
7				0.13

Three patterns for each sex are provided. In each pattern, the values are percent of animals of each age group. Age group 1 is the replacement and its proportion is the replacement rate; age group 2 is the replacement of the previous year after its first crop, and so on.