1.
How does the bursa of Fabricius look like grossly in chickens affected with lymphoid leukosis?
2.
Salmonella was isolated from a broiler breeder flock. The isolated Salmonella was agglutinated by Salmonella O antiserum group B. One can exclude all of the following salmonellae EXCEPT
3.
Tumors of which of the following avian leukoses/sarcomas do characteristically occur on the surface of the bones and near cartilages?
