The German AI team has declared Chawang's sperm as very healthy and suitable for AI.
The team also did ultrasound scans on our female eles but unfortunately no babies yet.
Recently he's found a new hobby: squirting water at passing trams and wetting the visitors on board. This in addition to pelting them with pebbles, wood chips, dried dung, mud and whatever he can pick up in his enclosure. Quite a character he is.