It is best to use desi cow dung and cow urine at any cost, for best efficacy of any SPNF microbial solution such as beejamritha, ghanajeevamritha or jeevamritha .
However, if you cannot procure the required quantity of desi cow dung and urine, then you can use 50% desi cow dung and urine, along with 50% dung and urine of buffalo.