Chickens like all bird species have IgY antibodies that are very stable and found in the yolk. Gallus Gallus domestica is the Latin name of the Chicken.
Test
Western Blot can be performed on tissues and cell extracts to determine the proteins present in your sample after PAGE electrophoresis and transfer on PVDF or Nitrocellulose. PVDF is more advised. The best detection method is using enhanced chemiluminescence or ECL.