With the sugar production cycle in India, domestic demand in deficit years can account for a large share of world sugar exports (7% in 2009/10) with subsequent large additional supplies coming on to world markets in surplus years, contributing to the volatility in international sugar markets. Animal diseases, such as BSE and FMD, have also had major impacts on demand for meat and feed in some years following the imposition of trade bans. A main feature of the Outlook is that productivity growth is slowing due to a number of factors such as higher input costs, slower technology application, expansion into more marginal lands, and limits to double cropping, irrigation etc.