Sorry VFR. just had this picture of you, and to be fair, a few mallard, on a flight pond, collecting duck shit. Now come on , that has to be a comedy sketch. However, now that you explain it in more detail maybe there is a grain of truth there. Only thing is, as was explained to me many years ago,HOT shit is not always GOOD shit. It all needs years of getting rid of the drugs. Racing pigeons and farm bred fowl are no exception. They all have them and to introduce them into your garden is not very good, In My Opinion. Now cow muck, which has been heaped for a few years, full of natures best