The feathered tracts in birds from which feathers originate are called:

The pygostyle found in birds is located distal to which of the following?

Choose the correct statement regarding avian surgical site preparation.

Clinical signs in a bird that include loose green feces, green urates, lethargy, inappetence, ascites, abnormal beak and nails, and poor feather quality are often indicative of:

When advising the owner on how to bring their pet bird to the veterinary hospital, it is appropriate to suggest:

The proventriculus is:

In the bird, air sac cannulas are placed into which of the following?

All seed diets are:

Clinical signs in a bird that include loose green feces, green urates, lethargy, inappetence, ascites, abnormal beak and nails, and poor feather quality are often indicative of:

Which of the following is a common subclinical, contagious coronovirus seen in mice used in research?