But nowhere in his interview will you find mention of other results from independent investigations into his farm and farming practices that found raised levels of fungal toxins in some of his fodder, the poor quality of the grass silage used as feed, significant changes to the feeding practices within too short a space of time (including insufficient quantities of essential minerals) and overfeeding by around 25 per cent excess energy and 42 per cent excess protein resulting in overweight dairy cows (which can lead to metabolic and calving problems).