The Origin Of Bird Nest
The Origin Of Bird Nest
Bird nest is one of the top precious traditional food supplements among Chinese. Bird nest can be 0 differentiated by the content of swiftlet saliva combined with other substances (like feathers) of ordinary swallows and golden swallows. The protein and nutritive value of golden swallows is the highest.
Bird nest can be differentiated into 2 types, through the time of collection, "Guan Yan" and "Mao Yan. Swallows build their first nest through secrete saliva and solidify it when it is exposed to the air. The degree of purity of bird nest is very high and without feathers. This type of bird nest is called "Guan Yan" and is considered premium among bird nest.
After the Golden Swallovws used their nest to lay eggs, they will use it to take care their child until they are able to fly. Once the childs flew, the nest wont be use anymore and will build a new nest for second process of laying eggs. A mother swallows uses roughly 40 - 45 days to finish to build a nest. The elder the swallow is, the bigger and better nest they can make.