** Shares of Australian Dairy Nutritionals rise as much as 12.5% to A$0.018, marking their best day since Aug. 30
** Dairy producer says entered agreement with Nutura Organic for providing high quality base powder for milk formula
** AHF says the deal will not be immediately financially material, as sales volumes are not yet known
** Stock up 38.5% YTD as of 0419 GMT
(Reporting by Sneha Kumar in Bengaluru)
((Sneha.Kumar@thomsonreuters.com;))