Stock solution = 4.7 ml
Lugol’s iodine = (see below) 0.3 ml
Add approximately 1 gram of faeces to the 4.7ml of MIF/0.3ml Iodine solution and emulsify well. Ova, cysts and larvae can be preserved in MIF for several months.
Formol- ethyl acetate concentration methods can be performed on samples preserved by any of the above.