Another embodiment of the invention provides {TAIL ~ a method} of generating an immune response in an animal comprising administering one or more purified polypeptides having at least 95% identity to SEQ ID NOs:22 33 or a combination thereof to the animal, wherein the one or more purified polypeptides generate {HEAD ~ an immune response} in the animal 
Another embodiment of the invention provides { TAIL ~ a method } of generating an immune response in an animal comprising administering one or more purified polypeptides having at least 95 % identity to SEQ ID NOs:22 33 or a combination thereof to the animal , wherein the one or more purified polypeptides generate { HEAD ~ an immune response } in the animal
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH