- PhD Thesis The development of a novel antifungal silage inoculant Tom Rees, Cranfield University, 1997 In collaboration with Ecosyl Products Ltd (formerly Zeneca Bioproducts). This thesis is the result of a three-year research project which attempted to isolate a strain of lactic acid bacteria with the capacity to minimize the aerobic spoilage of silage. For a quick overview, take a look at the ...www.brighton73.freeserve.co.uk/tomsplace/scientific/phd/phd-fram.htm