The TH dairy farm raises 44 000 cows of which 22 000 cows are in la ctation in June 2015. This is the biggest dairy farm of this kind in Asia. It produces around 500 tons of milk per day. It is composed of several mega-farms with very high animal concentration integrated to one single dairy processing plant. This report describes the organization of the TH group based on a review of existing data available on in ternet as well as on a field visit conducted on July 2 nd , 2015 on the site in the Ngh¿ An Province. Some questions on its sustainability are discussed: (i) land access for feed cultivation and the social equity of the project; (ii) management of animal effluents and the risks of pollution of the environment; (iii) cost of production of milk and the long term economic profitability of the farm.