List Heifers by fertility status

Displays the current fertility status of all heifers. The initial grid displays a summary of the total animals in each fertility status against the parameter selected in the associated dropdown box. Selecting a fertility status option displays a grid detailing the animals currently of the selected status.

- Selecting a fertility status option (other than summary) lists animals currently

- the parameter against which the summary table of heifers by fertility status should be displayed.
- print the currently displayed grid
- print details of each fertility status

- display a graphic display of heifers by fertility status where each status is displayed in a different colour.