“…All the positive growths were immediately sub cultured in PPLO agar plates after removal of contamination by filtering cultured broth medium with 0.22-micron syringe filter. Inoculated tubes with no turbidity and colour change were kept on maximum 21 days before discarding and considering them as negative (Whitford et al, 1994; Yadav et al, 2020) [5,6] . Positive growths from PPLO growth cultures were streaked into the PPLO agar base after filtration from syringe filter.…”