I never heard the threat of confiscating the rest of your birds! Was that the "inspection" they threatened? As for testing your birds, unless you are in an area under quarantine, or state law or Dept of Agriculture requires testing for birds leaving your property, they are now within their rights. Have the birds in their care shown any signs of illness? THAT might be considered grounds for testing, but id not...
Things are getting better, but are still not right.
Things are getting better, but are still not right.