There were lymphoid leukosis virus and groupspecificantigen in the follicles with BA dying which was highest in content from the 3rd to 4th month of PI.
BA法染色表明法氏囊一直存有病毒和群特异性抗原，以接毒后3～4个月含量最高。
2
Results the RBC blood group antibody can be stably coated on the surface of the slide modified by silicic-acid, and it can be combined with its specificantigen RBC.
RESULTS: In comparison with control group, the DTH and antigenspecific lymphocyte proliferation reaction in oral tolerance group were suppressed significantly;