Edible Bird's Nests (Other Than Cooked Canned Commercially Sterile):
may be imported if a person produces a certificate signed by an official of the government of the country of origin stating that the products have been subjected to the following treatment:
Edible bird's nests - Minimum temperature of 100 degrees Centigrade for at least 1 hour.
Any other treatment would require an import permit and a case-by-case evaluation by CFIA headquarters.
The following statements must also be included on the certificate:
complete description of the shipment including appropriate shipping marks and maritime container number (if applicable);
all bird's nests in the shipment have been inspected and found to be free of any faeces, ectoparasites, feathers and surface dirt.
http://www.inspection.gc.ca/english/anima/heasan/pol/ie-2001-5e.pdf