if really want to take bird nest, its better to buy those by pieces and clean the dirt on ownself n double boil..
i dont believe in those lo hong ka bird nest in glass bottles.. they have preservatives.. and i buy bird nest from my trusted chinese medical shop.. i dont buy from lo hong ka or eu yan sang.. coz its too commercial and their price is expensive..i feel like kena 'potong' only if buy herbs from there

Edible bird nest, harvested right after the baby bird fledged away. once they capable to fly, they won't use the nest anymore. even they return to the same place, they will just hanging at the timber plank.

I'm a farmer, processor and wholeseller based in Thailand. but i do supply to malaysia. My stock can be pick up in KL too.