** ASX shares of New Zealand-based a2 Milk Company A2M.AX rise as much as 0.6% to A$9.97, highest since February 24, 2021
** Citi says China's draft outline for 15th Five-year Plan, focusing on "childbirth-friendly society", should be tailwind for co
** Adds government will continue to expand childcare subsidies, introduce new targeted housing incentives for families with two or more children
** Notes 15th Five-year Plan focuses on "silver economy", beneficial to sales of co's infant formula, seniors products
** Stock rated "buy" on avg; median PT is A$9.6, per data compiled by LSEG
** YTD, A2M up 7.4%
(Reporting by Aamir Sheik Khalid in Bengaluru)
((Aamir.SheikKhalid@thomsonreuters.com))