July 19 (Reuters) - Wattle Health Australia Ltd WHA.AX
* Asx alert-wha signs hoa with organic dairy farmers of australia-wha.ax
* Entered into a non-binding heads of agreement with organic dairy farmers of australia , mason ventures ltd and niche dairy
* Agreement to undertake commercial due diligence for establishment of a jv for production of dried organic powdered milk
* Will acquire a 2.5% equity interest in a proposed joint venture
* Construction of facility is anticipated to be between $25- $30 million and will be funded by way of a loan to JV by mason ventures