Need clarity on Stock Ageing Report

Hi friends,

I am developing "Stock Ageing Report" for my client by referring below link.

http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/30f15839-0cf1-2b10-c6a7-ebe68cc87cdc?QuickLink=index&…

As per document i need 3 variable.

1. To create "Date Of Manufacturing" i need Batch Characteristics with attribute "date of mfg". I couldnt find the same in my 0batch infoobject.

Please help me to proceed at the earliest. Thanks in advance.

Regards,

Kavitha